If i have = (n+1)(2n+1)

where k=1,2,3....n

how do i prove the LHS = RHS?

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- October 14th 2009, 03:23 PMsirellwoodsimple proof. LHS = RHS
If i have = (n+1)(2n+1)

where k=1,2,3....n

how do i prove the LHS = RHS? - October 14th 2009, 03:55 PMredsoxfan325