If a is the first term, d is common difference, then the sum of nth term of the series $S

E

Editor

Sep 18, 2022

If a is the first term, d is common difference, then the sum of nth term of the series $S_{n}$=

Difficulty: Easy

A:

n/a[a+(n-1)d]

B:

a+(n-1)d

C:

n/2[2a+(n-1)d]

D:

n/a[2a+(n-1)d]

ID: 63273dbaca83163ac3a129a5