The sum of n terms of an AP is given by Sn = (2n2 + 3n). What is the common difference of the AP?
A. 3
B. 4
C. 5
D. 9
Answer:B
The sum of n terms of an AP is given by Sn = (2n2 + 3n). What is the common difference of the AP?
A. 3 B. 4 C. 5 D. 9