do you know
1) how to determine roots of polynomial a*x^4+b*x^3+c*x^2+d*x+e=0,
(some method for it), inclusive complex roots
2) this polynomial is 3D, does it make any difference in number of roots?
3) how to display this roots in 3D graph, inclusive complex roots
I'd like to compute and draw it in Maple. Could you write me convenient commands to this problem?
Foreword (May 2015)
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