Summation of Series: Learn the Basics

coconut62 · Apr 1, 2013

Please see attached image.

I don't understand how is it so.

(Attempt): I already thought very hard, and obviously for this kind of mathematical rules, if i don't know the concept, i can't really make any attempt right? Just give me some hint then.

Thanks.

ehild · Apr 1, 2013

Write out the series for n=2, 3, 4, ... and compare it with the series 1+2²+3²+...

ehild

coconut62 · Apr 1, 2013

Okay, I suddenly see light. The whole thing is clear, thanks.

Summation of Series: Learn the Basics

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Summation of Series: Learn the Basics

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