Math, asked by krish5049, 10 months ago

18. The sum of n, 2n, 3n terms of an A.P. are S1, S2, S3 respectively. Prove that
Sz= 3 (S2-Si)

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Answered by iamdhruv1563

1

Answer:

see the image for detailed solution.

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Answered by Anonymous

1

plz refer to this attachment

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