can we write that if (mod z) squared= 1 then mod z = 1 as mod z cnt be negative in complex numbers 

Asked by Viswanath | 20th Aug, 2014, 08:43: PM

Expert Answer:

Yes. You are correct. 
 
Mod z cant be negative in complex numbers. So you can remove square.

Answered by Dharma Teja | 21st Aug, 2014, 10:55: AM