Question

sum of n terms in AP is Sn find S3n-S2n

Answer 1

Answer:

Let first term be a and common difference be d. Then, S2n = 3Sn

Step-by-step explanation:

Let Sn denote the sum of the first n terms of an A.P. If S2n = 3Sn then S3n : Sn is equal to (A) 4 (B) 6 (C) 8 (D) 10

Answer 2

Answer:

The Right Answer Is =6:1