# Question: for complex numbers z1 x1 iy1 and z2...

###### Question details

For Complex numbers z1 = x1 + iy1 and z2 = x2 + iy2, show that |z1||z2| = |z1 · z2|. Use this to prove he Complex triangle inequality (6). State and prove the other version of the

triangle inequality (5) for complex numbers.