If i have = (n+1)(2n+1) where k=1,2,3....n how do i prove the LHS = RHS?
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Originally Posted by sirellwood If i have = (n+1)(2n+1) where k=1,2,3....n how do i prove the LHS = RHS? I claim that . How do I prove this? Induction. 1) It's clearly true for . 2) Assume it's true for . 3) Prove it's true for : ... Spoiler: which is the desired result. So and therefore
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