On Thu, Nov 6, 2008 at 16:22, Ian Kelly <[EMAIL PROTECTED]> wrote: > On Thu, Nov 6, 2008 at 4:20 PM, Roger Hicks <[EMAIL PROTECTED]> 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? > > abs(a + bi) = sqrt(a^2 + b^2) > > -root > Thanks.
I was a math whiz in high school. Real geeky kid. I took the knowledge bowl team to state. It's amazing what you can forget in 10 years. BobTHJ
