Question 1163658
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What part of this don't you understand?  You have three fairly simple arithmetic problems.  The directions for posting require that you tell us what you are having trouble understanding and that you show the work you have done so far.

																
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 \ \ \ \ \ \ \ \ \ \  
								
{{n}\choose{r}}
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