lekikster lekikster

04-06-2018
Mathematics

contestada

How do I expand the binomial (4x-2y)^4?

Respuesta :

04-06-2018

Hi,
[tex](a+b)^4=a^4+4a^3b+6a^2b^2+4ab^3+b^4\\\\ (4x-2y)^4=2^4(2x-y)^4\\ =16((2x)^4+4*(2x)^3*(-y)+6(2x)^2*(-y)^2+4(2x)*(-y)^3+(-y)^4)\\ =16*(16x^4-32x^3y+24x^2y^2-8xy^3+y^4)\\\\ =256x^4-512x^3y+384x^2 y^2-128xy^3+16y^4[/tex]

Answer Link

Otras preguntas

The Scientific Revolution was based upon careful observation and a willingness to question accepted beliefs. a. True b. False

Factor the following expression completely 16a + 20

What is the solution to the system of equations y= -5x +3 y=1

Which of the following did not keep African Americans in the South from voting? a. literacy tests b. poll taxes c. the separate but equal doctrine d. grandf

describe the flow of blood through the body, including through each of the four chambers of the heart.explain how the blood changes as it moves through various

In the 1920s, controversies over Prohibition, the National Origins Act, and the Scopes trial all reflected disagreement over the (1) effects of demobilization (

christopher has saved $40 toward the purchase of a new gaming system. If x is the amount he saves each month for six months, the expression 6x 40 represents t

Which statement best expresses the philosophy of humanism? (1) God selects those to be saved. (2) The pope expresses the ultimate word of God. (3) People have p

What is 16 divide ÷ 3/5

11 The greatest amount of energy released per gram of reactants occurs during a(1) redox reaction (2) fission reaction (3) substitution reaction (4) neutralizat