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Sequences & Series Help =_= (1 Viewer)

Thread starter Air Jordan
Start date Jan 29, 2009

Air Jordan

Member

#1

Evaluate $\sum_{1}^{10}{n\,^2}$

Trebla

Administrator

Administrator

#2

Quickest way is to just do it manually.

Otherwise note that
$\sum_{k=1}^{n}{k\,^2}=\dfrac{n(n+1)(2n+1)}{6}$
and sub in n = 10.

Air Jordan

Member

#3

K thanks

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