# Find the coefficient of #xy^8# in the expansion of #(x-y^2)^5#?

##### 2 Answers

#### Answer:

Coefficient of

#### Explanation:

Binomial expansion of

Hence

As we are given

As we are seeking coefficient of

and corresponding term is

=

#### Answer:

The coefficient is 5.

#### Explanation:

The question is asking what is the coefficient associated with the term

... and so on

So in our case if you let

From this just read off your answer.