Algebra

Question

0

49

1

+972

Find the coefficient of y^4 in the expansion of (2y-5+3y^2)^6.

Rangcr897 Jul 21, 2024

NotThatSmart · Answer 1 · 2024-07-21T11:45:11

I know this is stupid, but I'm kinda dumb, so here's the entire polynomial

(This took a while)

$729y^{12}+2916y^{11}-2430y^{10}-19980y^{9}+135y^{8}+59976y^{7}+6364y^{6}-99960y^{5}+375y^{4}+92500y^{3}-18750y^{2}-37500y+15625$

The answer is 375...

Thanks! :)