

InterviewSolution
Saved Bookmarks
1. |
The nth term of an AP is (3n + 5). Find its common difference. |
Answer» Nth term = an = 3n + 5 (given) a(n-1) = 3 (n – 1) + 5 = 3n + 2 Common difference = d = an – a(n-1) = (3n + 5) – (3n + 2) = 3n + 5 – 3n – 2 = 3 Therefore, common difference is 3. |
|