Re: would you help me, please?
- From: Passerby <invalid@xxxxxxxxxxxxxxx>
- Date: Sat, 21 Apr 2007 10:31:05 -0400
On Sat, 21 Apr 2007 15:56:57 +0200, karl <oudeis@xxxxxxxxxxx> wrote:
Bart Goddard schrieb:
oudeis@xxxxxxxxxxx wrote:
You start taking square roots of complex numbers. This is not defined.
It's defined. It's not well-defined, but it's defined.
A serious reference please.
<http://mathworld.wolfram.com/SquareRoot.html>
<http://en.wikipedia.org/wiki/Square_root>
<http://planetmath.org/encyclopedia/SquareRootOfComplexNumber.html>
Google for (many) more.
.
Ciao
Karl
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