Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • If nth term of an ap is 2n+1 find the sum of first n terms

If nth term of an ap is 2n+1 find the sum of first n terms

Answers (1)

best_answer

Given that,

a(n) = 2n + 1.

To find the first term (a) Substitute "1" at the place of "n".

a(1) = 2(1) + 1

a = 3.

As we know that sum of n term

S = n/2(a+l)

 

Posted by

himanshu.meshram

View full answer

Similar Questions

Latest Question