Question 1059523
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Hint:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \  x^2\ -\ y^2\ =\ (x\ -\ y)(x\ +\ y)]


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
<img src="http://c0rk.blogs.com/gr0undzer0/darwin-fish.jpg">
*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \  

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