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

What are three causes of the Great Schism in Christianity?

Which quotation from The Crisis, No. 1 MOST appeals to the readers' emotions? a. “Tyranny, like hell, is not easily conquered…” b. “I have as little superstit

Life cycles recycle matter and help to create balance on Earth because _____.

An exception to the general decline of infectious diseases in the U.S. is the increase in _____ after 1960.

If a sequence is defined recursively by f(0)=2 and f(n+1)=-2f(n)+3 for n is greater than or equal to 0, then f(2) is equal to...?

what does the author do at the end of chapter 2 to keep the reader interested great expectations

Find the pair of words that has the same kind of relationship as the numbered pair. 10. condole : doleful :: A. profane : prodigal B. festoon : happy

Alex has obtained $1,000 and he takes it to the bank where the account is compounded monthly at 5%. He will leave it for 10 years. How much money will he have a

Helpp? Identify at least two food groups represented in the food web below.

In his book The Prince, _____ wrote a guide to rulers on how to gain and keep power. a. Niccolò Machiavelli b. Isaac Newton c. Leonardo da Vinci d. Nicolaus