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Algebra

Cool goIITian

Joined:	26 Jun 2007
Post:	42

14 Jul 2007 19:45:08 IST

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358

progression

None

how can we find the sum of series 1²+2²+3²+.......n²

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Karthik M

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Joined: 1 May 2007

Posts: 2830

14 Jul 2007 19:48:05 IST

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n(n+1)(2n+1)/6

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