The sum of the first terms of a certain arithmetic progression is given by

MATHEMATICS · Single correct · CBSE · Mathematics · Arithmetic Progressions · Arithmetic Progressions

Problem

The sum of the first

n

terms of a certain arithmetic progression is given by

S_n = 4n^2 + 3n

. What is the common difference of the progression? (a)

4

(b)

7

(c)

8

(d)

3