Math, asked by manjunathmanju0759, 9 months ago

2,7, 12....are in Ap find the sum of 12 terms

Answers

Answered by Naugust
4

HERE IS YOUR ANSWER.

A= 2,D=5

Sn=n/2 (2a+(n-1)d)

=12/2 (2×2+11×5)

=6 (4+55)

=6 (59)

=354.

MARK ME BRAINLIEST

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