- #1
jaejoon89
- 195
- 0
Given
f(z) = (z+1) / (z-1) for z not equal to 1
My teacher wrote
|f(z)| = |x+1+iy| / |x-1+iy| = sqrt((x+1)^2 +1) / sqrt((x-1)^2 + 1)
How do the values within the modulus work out to the right hand side? I can't figure it out.
f(z) = (z+1) / (z-1) for z not equal to 1
My teacher wrote
|f(z)| = |x+1+iy| / |x-1+iy| = sqrt((x+1)^2 +1) / sqrt((x-1)^2 + 1)
How do the values within the modulus work out to the right hand side? I can't figure it out.