First slide
Algebra of complex numbers
Question

Let z and w be two non-zero complex numbers, such that |z|=|w| and amp(z)+amp(w)=π, then find z+w=

Moderate
Solution

Given, amp(z)+amp(w)=π

 amp(z)amp(w¯)=π

Here,            |z|=|w|=|w|

and                         amp(z)>0

Then,                      z+w¯=0

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