# How do you find the coefficient of #a# of the term #ax^8y^2# in the expansion of the binomial #(x-2y)^10#?

##### 1 Answer

Feb 16, 2017

#### Explanation:

If we include the 0th term, then there will be 11 terms in this expansion. This means that the term

The formula for the nth term in a binomial expansion

We have

Use the formula now.

The value of

Therefore,

Hopefully this helps!