If general term of an A.P. is 3n then find common difference. - Vidyadip

MCQ

If general term of an A.P. is 3n then find common difference.

A
2
B
3
C
5
D
6

✓

Answer

3

Solution:

Given, a_n = 3n.

We know, d = a_n-a_n-1 = 3n – 3(n-1) = 3.

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