Question 587486
<font face="Times New Roman" size="+2">


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x^4\ -\ 16\ =\ \left(x^2\ -\ 4\right)\left(x^2\ +\ 4\right)\ =\ \left(x\ -\ 2\right)\left(x\ +\ 2\right)\left(x\ -\ 2i\right)\left(x\ +\ 2i\right)]


John
*[tex \LARGE e^{i\pi} + 1 = 0]
My calculator said it, I believe it, that settles it
<div style="text-align:center"><a href="http://outcampaign.org/" target="_blank"><img src="http://cdn.cloudfiles.mosso.com/c116811/scarlet_A.png" border="0" alt="The Out Campaign: Scarlet Letter of Atheism" width="143" height="122" /></a></div>
</font>