See question no 5 . I am not able to solve it

25-Apr-2016 4:40 PM

Answers (2)


By simplifying z would come out to be equal to 2i and thus z^2=-4 and  |z|^2=+4 thus resulting in 0

25-04-2016 22:45


just rationalize both parts and z will come out as 10i. then put z=10i in eqn and you wil get 0 as answer.

25-04-2016 23:36

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