Question 202902
<font face="Garamond" size="+2">

It is a 4th degree polynomial so the Fundamental Theorem of Algebra guarantees that it has 4 roots.  0, 2, or 4 of them may be complex, and 4, 2, or 0 of them may be real.  The real ones may be singular with an even number of multiplicities.


John
*[tex \LARGE e^{i\pi} + 1 = 0]
</font>