SOLUTION: Find the coefficient of y^4 in the expansion of (2y - 5)*(5y - 2)^6.

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Find the coefficient of y^4 in the expansion of (2y - 5)*(5y - 2)^6.      Log On


   

Question 1204812: Find the coefficient of y^4 in the expansion of (2y - 5)*(5y - 2)^6.
Found 2 solutions by MathLover1, ikleyn:
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!


%282y+-+5%29%2A%285y+-+2%29%5E6....expand
=
=

the coefficient of y%5E4+is: -+227500

Answer by ikleyn(52845) About Me  (Show Source):
You can put this solution on YOUR website!
.

With the same success as to look into the post by @MathLover1, you may use
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