Question

if the common difference of an AP is 5, then what is a13-a13

Answer 1

Hello Mate here is your answer below,

Given values are common difference of AP is (d)=5

a13-a13=?

Now solution,

a13=a+12d

so that

a+12d-(a+12d)

a+12×5-a-12×5

a+60-a-60 = 0

I hope that helps you