What is the product mc018 1.jpg - Jan 19, 2018 · Therefore, the difference of the given polynomial is; arrow right. Explore similar answers. messages. Talk to an Expert about this answer.

 
The products of numbers or expressions is calculated by multiplying the numbers or expressions. The simplified product of is . How to determine the simplified product? The product is given as: Express 64 as 4^3. Express x^9 as (x^3)^3. Evaluate the cube roots. Express x^5 as x^3 * x^2. Evaluate the cube root. Multiply. Hence, the simplified .... Hugging face

Therefore, the difference of the given polynomial is; arrow right. Explore similar answers. messages. Talk to an Expert about this answer.You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: 1) Identify the reagent (s) needed to complete the following reaction scheme. NaOH, Cl2 HOAc, Cl2. 1) Identify the reagent (s) needed to complete the following reaction scheme. 2) What is the most likely product of the following reaction?Which of the following classifies the sequence? B. What is the next term in the sequence below? -324. A. Which formula can be used to find the nth term of a geometric sequence where the fifth term is mc018-1.jpg and the common ratio is mc018-2.jpg? A. What is the common ratio of the sequence below? 2/3, 1/6.The roots of a function, are the zeros of the function.. The roots of the equation are: -7, 2 and 4. The function is given as:. If one of the roots is (x + 7), then it means (x + 7) can divide f(x).Study with Quizlet and memorize flashcards containing terms like Jonathan and Kevin each rewrote and evaluated the expression mc013-1.jpg. They arrived at different answers. Jonathan mc013-2.jpg Step1: mc013-3.jpg Step 2: mc013-4.jpg Step 3: mc013-5.jpg Solution: mc013-6.jpg Kevin mc013-7.jpg Step 1: mc013-8.jpg Step 2: mc013-9.jpg Step 3: mc013-10.jpg Step 4: mc013-11.jpg Solution: mc013-12 ...Answer to Predict the major product of the following reaction.1. 3-3 XRD slides for note taking.pdf. 14. Tooth Whitening Its Effects and Why It Causes Of Sensitivity.docx. 4. Practical Application of Skills Assignment 5.docx. 3. Utilitarian Theories A utilitarian theory of ethics evaluates the rightness or. 27. Mar 28, 2017 · 1 -7 12 0 x2 -7x + 12 = (x-3)(x-4) as a correction, we used root of -2 to determine the other roots. the other roots then are 3 and 4. ... One factor of mc018-1.jpg ... Which of the following classifies the sequence? B. What is the next term in the sequence below? -324. A. Which formula can be used to find the nth term of a geometric sequence where the fifth term is mc018-1.jpg and the common ratio is mc018-2.jpg? A. What is the common ratio of the sequence below? 2/3, 1/6. Study with Quizlet and memorize flashcards containing terms like What dividend is represent by the synthetic division below? mc002-1.jpg, One factor of f(x) = 4x^3 - 4x^2 - 16x + 16 is (x-2). What are all of the roots of the function. Use the Remainder Theorem., If f(1) = 0, what are all the roots of the function f(x) = x^3 + 3x^2 - x - 3? Use the Remainder Theorem. and more.1.1 Factoring: mc 3-jpg Theory : A difference of two perfect cubes, a 3 - b 3 can be factored into (a-b) • (a 2 +ab +b 2) Proof : (a-b)•(a 2 +ab+b 2) = a 3 + a 2 b + ab 2-ba 2-b 2 a-b 3 = a 3 +(a 2 b-ba 2)+(ab 2-b 2 a)-b 3 = a 3 + 0 + 0-b 3 = a 3-b 3 Check : m 1 is not a cube !! Ruling : Binomial can not be factored as the difference of two ...Algebra. Equation Solver. Step 1: Enter the Equation you want to solve into the editor. The equation calculator allows you to take a simple or complex equation and solve by best method possible. Step 2: Click the blue arrow to submit and see the result!Jun 7, 2017 · Dimensional Analysis 1. I have 470 milligrams of table salt, which is the chemical compound NaCl. How many liters of NaCl solution can I make if I want the solution to be 0.90% NaCl? (9 grams of salt per 1000 grams of solution). The density of the NaCl solution is 1.0 g solution/mL solution. Adding a number, with respect to another number, repeatedly is called Multiplication or product. Example-1: means 2 is added to itself three times. So, By some more examples,we can understand this concept. Example -2: means 30 is added to itself 20 times. Example -3: means 100 is added to itself 25 times. Know more about product of numbers:1.1 Factoring: mc 3-jpg Theory : A difference of two perfect cubes, a 3 - b 3 can be factored into (a-b) • (a 2 +ab +b 2) Proof : (a-b)•(a 2 +ab+b 2) = a 3 + a 2 b + ab 2-ba 2-b 2 a-b 3 = a 3 +(a 2 b-ba 2)+(ab 2-b 2 a)-b 3 = a 3 + 0 + 0-b 3 = a 3-b 3 Check : m 1 is not a cube !! Ruling : Binomial can not be factored as the difference of two ... Nov 7, 2017 · Find an answer to your question What is the product? (X^4)(3x^3-2)(4x^2+5x) Click an Item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. Oct 18, 2018 · Answer: 3+6i. Step-by-step explanation: To divide we multiply by the conjugate of denominator. conjugate of 2+i is 2-i. Multiply top and bottom by 2-i Jun 26, 2017 · richard bought 3 slices of cheese pizza and 2 sodas for $8.75. Jordan bought 2 slices of cheese pizza and 4 sodas for $8.50. How much would an order of 1 slice of cheese pizza and 3 sodas cost? A. $3.25 B. $5.25 C. $7.75 D. $7.25 Jun 7, 2018 · Click here 👆 to get an answer to your question ️ One factor of mc018-1.jpg is (x + 7). What are all the roots of the function? Use the Remainder Theorem. B. The equation mc024-1.jpg shows the relationship between a planet’s orbital period, T, and the planet’s mean distance from the sun, A, in astronomical units, AU. If planet Y is twice the mean distance from the sun as planet X, by what factor is the orbital period increased? D. Which of the following is equivalent to mc003-1.jpg? D.What is the second product in the reaction: a. fatty acid salt. b. ester. c. alcohol. d. aldehyde is the commutative property of multiplication. - AB + AB equals zero and is therefore eliminated from the expression. Factoring: - Check : is not a cube !! Pulling out like terms. Factoring binomials as difference of squares. Polynomial root calculator. Sep 6, 2019 · Two matrices can only be multiplied if the second matrix has the same number of rows than the first one of columns. So if: A is a matrix M×N. B is a matrix M×K. We can't multiply A*B, because B does not have the same number of rows as A has of columns. if instead, B was N×K, the multiplication would be possible. 1. 3-3 XRD slides for note taking.pdf. 14. Tooth Whitening Its Effects and Why It Causes Of Sensitivity.docx. 4. Practical Application of Skills Assignment 5.docx. 3. Utilitarian Theories A utilitarian theory of ethics evaluates the rightness or. 27.what is mc001-2.jpg. A. If es002-1.jpgand g (x) = 1 - x2, then what. do you notice about the domain of es002-2.jpg ? The domain of f, and thus the range of g, is restricted to values greater than or equal to 3. If 1 minus x squared is greater than or equal to 3, then x squared must be less than -2. Study with Quizlet and memorize flashcards containing terms like The constraints of a problem are listed below. What are the vertices of the feasible region? mc008-1.jpg, A catering business offers two sizes of baked ziti. Its small ziti dish uses 1 cup of sauce and mc022-1.jpg cups of cheese. Its large ziti dish uses 2 cups of sauce and 3 cups of cheese. The business has 100 cups of sauce and ... The products of numbers or expressions is calculated by multiplying the numbers or expressions. The simplified product of is . How to determine the simplified product? The product is given as: Express 64 as 4^3. Express x^9 as (x^3)^3. Evaluate the cube roots. Express x^5 as x^3 * x^2. Evaluate the cube root. Multiply. Hence, the simplified ...Study with Quizlet and memorize flashcards containing terms like What is the length of the hypotenuse in the triangle below? mc017-1.jpg, If a vertical line is dropped from the x-axis to the point (12, -9) in the diagram below, what is the value of sec mc022-1.jpg? mc022-2.jpg, Which of the following is cot(mc013-1.jpg) sec(mc013-2.jpg) in simplified form? and more. What is the product? mc001-1.jpg rotate abelabarca03 is waiting for your help. Add your answer and earn points. question 2 people found it helpful Amrit111Raj82 In mathematics, a product is the result of multiplication, or an expression that identifies factors to be multiplied.9. 2.docx. 6. REAL Study Guide - Hist 17A, Test #1. 7. Jackson Ltd is developing computer software for use in its courier delivery. 260. document. 21 The Global Positioning System frequency available for use by civil operators. Moises is determining the solution to the system of equations that is show below. Equation representing line A: mc018-1.jpg Points on line B: (3, –12) and (9, –24) Step 1: Determine the slope for B: mc018-2.jpg Step 2: Determine the y-intercept for B: mc018-3.jpg Step 3: Write the equation in slope-intercept form: mc018-4.jpgJun 11, 2021 · What is the product? mc002-1.jpg See answers Advertisement Advertisement dobesc10088 dobesc10088 ... IF a+1/a=2 , find a to the power 4+1/a to the power 4 richard bought 3 slices of cheese pizza and 2 sodas for $8.75. Jordan bought 2 slices of cheese pizza and 4 sodas for $8.50. How much would an order of 1 slice of cheese pizza and 3 sodas cost? A. $3.25 B. $5.25 C. $7.75 D. $7.25Two matrices can only be multiplied if the second matrix has the same number of rows than the first one of columns. So if: A is a matrix M×N. B is a matrix M×K. We can't multiply A*B, because B does not have the same number of rows as A has of columns. if instead, B was N×K, the multiplication would be possible.Jun 2, 2017 · Where can you find your state-specific Lottery information to sell Lottery tickets and redeem winning Lottery tickets? (Select all that apply.) 1. Barcode and Quick Reference Guide 2. Lottery Terminal Handbook 3. Lottery vending machine 4. OneWalmart using Handheld/BYOD Study with Quizlet and memorize flashcards containing terms like Which statement is true if the mc001-1.jpgHrxn of a reaction is positive? The reaction is endothermic. The reaction is exothermic. There is more reactant than product. There is more product than reactant., Butane (C4 H10(g), mc031-1.jpgHf = -125.6 kJ/mol) reacts with oxygen to produce carbon dioxide (CO2 , mc031-2.jpgHf = -393.5 ...Verified answer. Where can you find your state-specific Lottery information to sell Lottery tickets and redeem winning Lottery tickets? (Select all that apply.) 1. Barcode and Quick Reference Guide 2. Lottery Terminal Handbook 3. Lottery vending machine 4. OneWalmart using Handheld/BYOD. heart.Study with Quizlet and memorize flashcards containing terms like The standard form of an absolute value function is mc002-1.jpg. Which of the following represents the vertex?, Which of the following is the graph of f(x) = |x| translated 2 units right, 2 units up, and dilated by a factor of mc018-1.jpg?, What is the range of the absolute value function below? mc009-1.jpg and more. Dimensional Analysis 1. I have 470 milligrams of table salt, which is the chemical compound NaCl. How many liters of NaCl solution can I make if I want the solution to be 0.90% NaCl? (9 grams of salt per 1000 grams of solution). The density of the NaCl solution is 1.0 g solution/mL solution. the solution to the algebraic expression will be: sqrt (1-3x)=x+3. squaring both sides we get: 1-3x= (x+3)^2. 1-3x=x^2+6x+9. this can be written in quadratic form as: x^2+6x+3x+9-1=0. x^2+9x+8=0. factorizing the above we get:Catabolic reactions are reactions that break larger molecules down into smaller molecules, and often result in the release of energy as a by product of the bonds being broken. In fact, metabolism (the breakdown of food) is a catabolic reaction. So the best answer would be the Answer no.4: A => B + C + EnergyB. The equation mc024-1.jpg shows the relationship between a planet’s orbital period, T, and the planet’s mean distance from the sun, A, in astronomical units, AU. If planet Y is twice the mean distance from the sun as planet X, by what factor is the orbital period increased? D. Which of the following is equivalent to mc003-1.jpg? D.Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.4g^6+16g^3+16. The degree of the polynomial mc013-1.jpg is 10. What is the value of k? 8. Which expression is equivalent to mc026-1.jpg? 160rs^5 / t^6. Which polynomial is in standard form? 5x^5-9x^2y^2-3xy^3+6y^5. Parker simplified the expression mc026-1.jpg as shown below.a = 1 b = 3 c = 12 Substituting with the values of a,b and c in the quadratic formula, we will find that that the solutions of this equation are and For the third choice: x² + 3x + 3 = 0 comparing this equation with the general formula, we will find that: a = 1 b = 3 c = 3Study with Quizlet and memorize flashcards containing terms like Which statement is true if the mc001-1.jpgHrxn of a reaction is positive? The reaction is endothermic. The reaction is exothermic. There is more reactant than product. There is more product than reactant., Butane (C4 H10(g), mc031-1.jpgHf = -125.6 kJ/mol) reacts with oxygen to produce carbon dioxide (CO2 , mc031-2.jpgHf = -393.5 ... Moises is determining the solution to the system of equations that is show below. Equation representing line A: mc018-1.jpg Points on line B: (3, –12) and (9, –24) Step 1: Determine the slope for B: mc018-2.jpg Step 2: Determine the y-intercept for B: mc018-3.jpg Step 3: Write the equation in slope-intercept form: mc018-4.jpgStep 1. Solve the parenthesis first. Step 2. Solve the multiplication. Step 3. Solve the division. therefore. the answer is.Answer to Predict the major product of the following reaction.What is the product? mc001-1.jpg. A. Simplify the expression below. es027-1.jpg. What is the numerator of the simplified expression? N. ... mc018-1.jpg. C. Question: At 20°C, the ion-product constant of water, Kw, is mc018-1.jpg. What is the pH of pure water at 20°C? What is the pH of pure water at 20°C? At 20°C, the ion-product constant of water, Kw, is mc018-1.jpg.Check : m 1 is not a square !! Ruling : Binomial can not be factored as the difference of two perfect squares. Trying to factor as a Difference of Cubes: 1.2 Factoring: mc 18-jpg Theory : A difference of two perfect cubes, a 3 - b 3 can be factored into (a-b) • (a 2 +ab +b 2) Proof : (a-b)•(a 2 +ab+b 2) = a 3 + a 2 b + ab 2-ba 2-b 2 a-b 3 =Click here 👆 to get an answer to your question ️ What is the product? (5 r + 2)(3 r minus 4) 15 r squared + 8 15 r squared minus 8 15 r squared + 14 r mi…richard bought 3 slices of cheese pizza and 2 sodas for $8.75. Jordan bought 2 slices of cheese pizza and 4 sodas for $8.50. How much would an order of 1 slice of cheese pizza and 3 sodas cost? A. $3.25 B. $5.25 C. $7.75 D. $7.25the solution to the algebraic expression will be: sqrt (1-3x)=x+3. squaring both sides we get: 1-3x= (x+3)^2. 1-3x=x^2+6x+9. this can be written in quadratic form as: x^2+6x+3x+9-1=0. x^2+9x+8=0. factorizing the above we get:Which graph represents the function mc018-1.jpg? d. ... What is the product? mc001-1.jpg. a. Which expression is equivalent to mc005-1.jpgdivided by x + 1? a. Its small ziti dish uses 1 cup of sauce and mc022-1.jpg cups of cheese. Its large ziti dish uses 2 cups of sauce and 3 cups of cheese. The business has 100 cups of sauce and 400 cups of cheese on hand. It makes $6 profit on their small dishes and $5 profit on their large dishes. It wants to maximize the profit from selling the two sizes of ziti.Answer: 3+6i. Step-by-step explanation: To divide we multiply by the conjugate of denominator. conjugate of 2+i is 2-i. Multiply top and bottom by 2-irichard bought 3 slices of cheese pizza and 2 sodas for $8.75. Jordan bought 2 slices of cheese pizza and 4 sodas for $8.50. How much would an order of 1 slice of cheese pizza and 3 sodas cost? A. $3.25 B. $5.25 C. $7.75 D. $7.25You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: 1) Identify the reagent (s) needed to complete the following reaction scheme. NaOH, Cl2 HOAc, Cl2. 1) Identify the reagent (s) needed to complete the following reaction scheme. 2) What is the most likely product of the following reaction?Study with Quizlet and memorize flashcards containing terms like Which statement is true if the mc001-1.jpgHrxn of a reaction is positive? The reaction is endothermic. The reaction is exothermic. There is more reactant than product. There is more product than reactant., Butane (C4 H10(g), mc031-1.jpgHf = -125.6 kJ/mol) reacts with oxygen to produce carbon dioxide (CO2 , mc031-2.jpgHf = -393.5 ...richard bought 3 slices of cheese pizza and 2 sodas for $8.75. Jordan bought 2 slices of cheese pizza and 4 sodas for $8.50. How much would an order of 1 slice of cheese pizza and 3 sodas cost? A. $3.25 B. $5.25 C. $7.75 D. $7.25What is the product? mc001-1.jpg. A. Simplify the expression below. es027-1.jpg. What is the numerator of the simplified expression? N. ... mc018-1.jpg. C.Click here 👆 to get an answer to your question ️ If f(x) = x2 – 1 and g(x) = 2x – 3, what is the domain of mc015-1.jpg?Answer: 3+6i. Step-by-step explanation: To divide we multiply by the conjugate of denominator. conjugate of 2+i is 2-i. Multiply top and bottom by 2-iFeb 5, 2021 · Which pair shows equivalent expressions? mc017-1.jpg mc017-2.jpg mc017-3.jpg mc017-4.jpg Jun 7, 2018 · Click here 👆 to get an answer to your question ️ One factor of mc018-1.jpg is (x + 7). What are all the roots of the function? Use the Remainder Theorem. Jan 12, 2018 · Find an answer to your question What are the solutions of the equation x4 + 3x2 + 2 = 0? Use u substitution to solve. mc018-1.jpg and x = ±1 mc018-2.jpg and x =… Study with Quizlet and memorize flashcards containing terms like Which statement is true if the mc001-1.jpgHrxn of a reaction is positive? The reaction is endothermic. The reaction is exothermic. There is more reactant than product. There is more product than reactant., Butane (C4 H10(g), mc031-1.jpgHf = -125.6 kJ/mol) reacts with oxygen to produce carbon dioxide (CO2 , mc031-2.jpgHf = -393.5 ...What is the second product in the reaction: a. fatty acid salt. b. ester. c. alcohol. d. aldehyde May 13, 2021 · Consider a triangle ABC like the one below. Suppose that a=34, b=53, and c=74. The figure is not drawn to scale.) Solve the triangle. Carry your intermediate computations to at least four decimal places, and round your answers to the nearest tenth. es024-1.jpg A similar right triangle would be created by a run of 4 and a rise of, The graph shows a line and two similar triangles. mc018-1.jpg What is the equation of the line? and more. Study with Quizlet and memorize flashcards containing terms like In the figure below, triangle GHI is similar to triangle MHL.richard bought 3 slices of cheese pizza and 2 sodas for $8.75. Jordan bought 2 slices of cheese pizza and 4 sodas for $8.50. How much would an order of 1 slice of cheese pizza and 3 sodas cost? A. $3.25 B. $5.25 C. $7.75 D. $7.25Study with Quizlet and memorize flashcards containing terms like Which statement is true if the mc001-1.jpgHrxn of a reaction is positive? The reaction is endothermic. The reaction is exothermic. There is more reactant than product. There is more product than reactant., Butane (C4 H10(g), mc031-1.jpgHf = -125.6 kJ/mol) reacts with oxygen to produce carbon dioxide (CO2 , mc031-2.jpgHf = -393.5 ...Nov 18, 2021 · What is the product? mc013-1. Jpg? mc013-2. Jpg mc013-3. Jpg mc013-4. Jpg mc013-5. Jpg. its not D i got it wrong on my test but I think its c report flag outlined it was c i got 100 0n my quiz report flag outlined for people with ads report flag outlined Advertisement Expert-Verified Answer question 6 people found it helpful MrRoyal question. To find an inverse matrix you first have to find the determinant and then put the absolute value of it under a 1. That's what is sitting outside in front of all those matrices. What you have to do now is multiply that determinant by what I teach to my students as the "mixed up matrix". They always remember from that.Step by step solution : Step 1 : Skip Ad Equation at the end of step 1 : (8 • (x24)) - 33y6 Step 2 : Equation at the end of step 2 : 23x24 - 33y6 Step 3 : Trying to factor as a Difference of Squares : 3.1 Factoring: 8x24-27y6 Theory : A difference of two perfect squares, A2 - B2 can be factored into (A+B) • (A-B)You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: 1) Identify the reagent (s) needed to complete the following reaction scheme. NaOH, Cl2 HOAc, Cl2. 1) Identify the reagent (s) needed to complete the following reaction scheme. 2) What is the most likely product of the following reaction?Aug 22, 2018 · 56 people found it helpful. jim1021. 13009-1.167 is the expression equivalent to mc009-1.jpg.

Mar 28, 2017 · 1 -7 12 0 x2 -7x + 12 = (x-3)(x-4) as a correction, we used root of -2 to determine the other roots. the other roots then are 3 and 4. ... One factor of mc018-1.jpg ... . Suczki iii polka wstaje z kolan

what is the product mc018 1.jpg

Jun 11, 2021 · What is the product? mc002-1.jpg See answers Advertisement Advertisement dobesc10088 dobesc10088 ... IF a+1/a=2 , find a to the power 4+1/a to the power 4 question. To find an inverse matrix you first have to find the determinant and then put the absolute value of it under a 1. That's what is sitting outside in front of all those matrices. What you have to do now is multiply that determinant by what I teach to my students as the "mixed up matrix". They always remember from that.Use a graphing calculator and a system of equations. -2, 1, 4. The polynomial equation mc020-1.jpg has complex roots mc020-2.jpg. What are the other roots? Use a graphing calculator and a system of equations. -2, 2. The graph of this system of equations is used to solve mc006-1.jpg. x coordinates of the intersection points. Where can you find your state-specific Lottery information to sell Lottery tickets and redeem winning Lottery tickets? (Select all that apply.) 1. Barcode and Quick Reference Guide 2. Lottery Terminal Handbook 3. Lottery vending machine 4. OneWalmart using Handheld/BYODMay 24, 2020 · Consider a triangle ABC like the one below. Suppose that a=34, b=53, and c=74. The figure is not drawn to scale.) Solve the triangle. Carry your intermediate computations to at least four decimal places, and round your answers to the nearest tenth. Apr 11, 2017 · Verified answer. Where can you find your state-specific Lottery information to sell Lottery tickets and redeem winning Lottery tickets? (Select all that apply.) 1. Barcode and Quick Reference Guide 2. Lottery Terminal Handbook 3. Lottery vending machine 4. OneWalmart using Handheld/BYOD. heart. (1): "c0" was replaced by "c^0". (2): Dot was discarded near "1.j". Step 1 : Trying to factor as a Difference of Squares : 1.1 Factoring: mc 20-jpg Theory : A difference of two perfect squares, A 2 - B 2 can be factored into (A+B) • (A-B) Proof : (A+B) • (A-B) = A 2 - AB + BA - B 2 = A 2 - AB + AB - B 2 = A 2 - B 2 Study with Quizlet and memorize flashcards containing terms like What is the area of a triangle with vertices at (-3, 3), (2, 3), and (4, 7)? 5 square units 10 square units 20 square units 40 square units, What is the determinant of ? -58 -7 4 58, What is the product? mc018-1.jpg mc018-2.jpg mc018-3.jpg mc018-4.jpg mc018-5.jpg and more.Mar 2, 2018 · First distribute the m in the first set of parentheses to the second set of parentheses. Do the same process with the n and the 3. m^2 + mn + 4m + mn + n^2 + 4n + 3m +3n + 12. Combine Like terms. Final Answer: m^2 + n^2 + 2mn + 7m + 7n + 12. arrow right. Explore similar answers. messages. Study with Quizlet and memorize flashcards containing terms like Which expression is equivalent to 9-2?, What is the quotient of mc009-1.jpg?, Which expression is equivalent to mc024-1.jpg? and more. Fresh features from the #1 AI-enhanced learning platform.The difference between the polynomials, is expressed as: . Given the polynomials:. We are required to find their difference which can be solved as follows:. First, open the bracket by multiplying every term you have in by -1:Oct 18, 2018 · Answer: 3+6i. Step-by-step explanation: To divide we multiply by the conjugate of denominator. conjugate of 2+i is 2-i. Multiply top and bottom by 2-i .

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