SOLUTION: Please help me solve this, Expand the following: sigma n=4 k=0 ([4 k] x^k y^4-k)
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Question 975186
:
Please help me solve this,
Expand the following: sigma n=4 k=0 ([4 k] x^k y^4-k)
Answer by
solver91311(24713)
(
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):
You can
put this solution on YOUR website!
I'm going to take a wild guess and presume you mean:
This sum has 5 terms, one for
, one for
, and so on.
The first term where
is
. But
and
, so the first term is simply
The second term is where
because
and
Just follow the pattern for the other three terms. You will have to calculate
for the third term but the other two will be easy because
and
for all positive integers
John
My calculator said it, I believe it, that settles it