Math, asked by SATISH444, 6 months ago

1. The sum of first n, 2n and 3n terms of an A.P. are S1, S2, and S3, respectively. Prove that
S3 = 3 (S2-S1).

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Answered by dharshinisri2006

1

Answer:

hope it will help you mark me as Brainliest

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