Question

12. In an AP If a = 2n-1, the fourth term is
(A) 23 (B) 9
(D) 7​

Answer 1

Given:

a = 2n - 1

To Find:

The fourth term of the AP.

Solution:

n = 4

a = 2(4) - 1

a = 8 - 1

a = 7

Answer:

The fourth term of the AP is 7.