I didn't get c.imag() to work for me either, I tried something like this:
a=(sqrt(-3)+2)^2
print a
print a.expand()
print a.expand().imag()
and got
2
(sqrt(3) I + 2)
4 sqrt(3) I + 1
4 sqrt(3)
HTH,
A. Jorge Garcia
calcp...@aol.com
http://calcpage.tripod.com
Teacher & Professor
Applied Mathematics, Physics & Computer Science
Baldwin Senior High School & Nassau Community College
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