Math, asked by hello773, 9 months ago

20. The sums of n, 2n, 3n term of an A.P are S1,S2, and S3 respectively. Prove that S3=3(S2-S1)








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Answers

Answered by ItsMansi
1

Heyaa

Here is the answer.

Hope it helped you.

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Answered by Anonymous
0

plz refer to this attachment

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