On Thu, 2008-11-06 at 16:20 -0700, Roger Hicks wrote: > 2008/11/6 Alex Smith <[EMAIL PROTECTED]>: > > On Thu, 2008-11-06 at 23:10 +0000, Alex Smith wrote: > >> sqrt(ab) = sqrt(a*b) > > This should say sqrt(a*b) = sqrt(a)*sqrt(b). > > -- > Got it. So then, what is the absolute value of a complex number? > The square root of the sum of the square of the real part and the square of the imaginary part.
|a+b*i| = sqrt(a**2 + b**2). -- ais523
