Question #e8457

1 Answer
Jan 15, 2018

sum of all the coefficients of x^5

Explanation:

we need to find all the terms with x^5
on doing so
we find only one term 8C6*x^4 in the binomial expression so that this when multiplied with (x+2) we get a term with x^5
so
answer is : 8C6
hope u find it helpful :)