Question

What is the coefficient of the term containing x^2y^3in the expansion of (2x-1/2y)^5?

Answer 1

10(2x^2)(.5^3y)
\[-5x ^{2}y ^{3}\]

Answer 2

so -5 then

Answer 3

yes

Answer 4

how did u do that?

Answer 5

do you know how to use pascal's triangle?

Answer 6

nope

Answer 7

this site is a little confusing but it should help some:
http://www.regentsprep.org/Regents/math/algtrig/ATP4/bintheorem.htm
here's better one:
http://ptri1.tripod.com/

Answer 8

lol i just googled it and am looking at it right now so how do u apply it the this question?

Answer 9

apply it to this question*