# Complex number theorem proof

• November 30th 2008, 08:22 AM
Bernice
Complex number theorem proof
How to proof this theorem:

a’ : b’ = (a : b)’

(a and b complex numbers)
• December 1st 2008, 04:49 AM
CaptainBlack
Quote:

Originally Posted by Bernice
How to proof this theorem:

a’ : b’ = (a : b)’

(a and b complex numbers)

Write $a=u+iv$ and $b=a+ib$ then expand both $a'/b'$ and $(a/b)'$ and reduce to standard form and the result will be evident.

CB