Question

The sum of n, 2n, 3n terms of an ap are S1, S2 and S3 Respectively. Prove that S3 = 3 (S2 - S1). The perfect answer will be marked brainliest. other answers will not be marked.​

Answer 1

Hence proved.

Hope this helps!

Answer 2

hi mate

here is yr answer

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plz mark it a brainliest answer

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