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

Match each creation myth feature to the correct story outline. The story involves creation from nothing. The story depicts a small amount of earth expanding, re

For the following chemical reaction, if 40.0 grams of O2 are completely reacted, how many grams of CO2 will be produced? C2H4 + 3 O2 --> 2 CO2 + 2 H2O

What are three types of a nucleotide?

Imagine that you have a job studying weather patterns and climate changes. What would you call yourself in your new job?A.a meteorologistB.a cartographerC.an ur

All living things are made of one or more cells. Here are two types of cells: an animal cell and a plant cell. Explain why an animal cells does not have th

Choose the correct form of the word conceive for this sentence: "At first, the group of investors were not impressed by young Calvin's ________ for the new adv

Point K is located at (7,4) in the coordinate plane. Its image is created by the following rule:K'=Ro 270°^(k)What are the coordinates of k'?A. (4,-7)B. (4, 7)C

Brett fills up his car at a gas station selling gas for $2.10 per gallon. It takes 6 1/2 gallons of gas to fill up the car. How much does Brett spend on gas?

In the diagram below, AE = 4, EB = 3, and DE = 2. Find CE.

“Lighting console” is another term for “gobo.” True False