Math, asked by rimidutta, 9 months ago

The sum of the first n terms of an ap is (3 nsquare + 6n), find the nth term and the 15th term of this AP

Answers

Answered by bhatisa

0

Step-by-step explanation:

A.T.Q

SN=3N^2+6N
SN=3×225+6×15
SN=765

HOPE IT HELPS YOU

Answered by tanmay7171

1

Answer:

the answer is 765 plz mark me as brilliant

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