(In reply to Oops! Solution by reading the problem.
by Steve Herman)
actually it has several imaginary solutions a couple simple ones are N=+-i.
Using a computer algebra system there are 3 real and 20 complex solutions with N=0 having multiplicity of 3. Which makes sense because when the equation is expanded you end up with a 25 degree polynomial.
Posted by Daniel
on 2009-04-05 17:54:38