Write the correct alternative in the following: If Then the value of a r , 0

Question

Write the correct alternative in the following: If Then the value of a r , 0 < r ≤ n, is equal to

Philoid · Accepted Answer

Given:

So, at k=r;

Also,

So,

Write the correct alternative in the following:If Then the value of ar, 0 < r ≤ n, is equal to