Math, asked by Nxns88, 9 months ago

The sum of the first n terms of an A.P. is 3n + n^2 then 1. Find the first term and the sum of first two terms. 2. Find second, third and 15th term

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Answered by Anonymous

9

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Answered by iiHYPEWOLFii

0

please mark brainliest

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