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June 21st, 2011, 20:06

Binomial Formula:

(a+b)^2 = a^2 + 2*a*b + b^2 =>

(sqr(2)+sqr(8))^2 =

2+2*sqr(2)*sqr(8)+8 =

2+2*sqr(16)+8

2+2*4+8 = 18

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For every complex problem, there is a solution that is simple, neat, and wrong. - *HL Mencken*

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Last edited by HiddenX; June 30th, 2011 at 08:04.
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