really complex!!

Algebra Level 5

Let z = i i z=i^i where i = − 1 i=\sqrt{-1} . How many purely real values of Z exist??

7 none of these 3 0 1

Shuvam Keshari by shuvam keshari , 23, India

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1 solution

Shuvam Keshari
Oct 9, 2015

use :: i=e^(i*pi/2)

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