How do I find the coefficient of in the expansion of
Hello, chris414!
How do I find the coefficient of in the expansion of ?
Each term in the expansion has the form: .
. . where
We want the terms in which the sum of the exponents on 's total 11.
. . That is: .
This happens for two cases: .
The two terms are:
. .
. .
Therefore, the term is: .