- #1
alijan kk
- 130
- 5
Homework Statement
if z=(x-iy)/(x+iy) then modulus of z is :
Homework Equations
The Attempt at a Solution
(x-iy)/(x+iy)= (x2-y2-2x(iy))/(x2+y2)
i can't get the real part and the imaginary part to take the modulus :
but the answer in any way could be = 1 ?
the answer in the book is 1 .