If the 17th term of an AP exceeds the 10th term by 7, then the common difference is_____

Question

asked Jan 17, 2021 147k views

2 Answers

Alecxe · Answer 1 · 2021-01-19T23:27:34+0000

Answer:

The common difference is 1.

Explanation:

17th term = a1 + 16d

10th term = a1 + 9d

So from the given information:

a1 + 16d - (a1 + 9d) = 7

a1 - a1 + 16d - 9d = 7

7d = 7

d = 1.