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If S1, S2 ,S3 ....sm are …

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If S1, S2 ,S3 ....sm are the sum of n term of an A. P whose first term are 1, 2, 3 ....m common difference are 1, 3, 5 ....(2m-1)respectively. Show that S1 +S2+....Sm=mn/2 (mn+1)
  • 1 answers

Manjeet Singh 8 years ago

There answer will be longer Bro. .some please see in cbse guide
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