Question

i^2(i) is
a)non real b) purely real
c)purely imaginary d) none of these

Answer 1

Real.

Answer 2

The reason is that it's actually just \[e^{-\pi}\]

Here's a hint: \[e^{i\theta}\] is another way to represent complex numbers...what is i in this representation?

Answer 3

yess but how did u get that if u give correct explanation then i will give u a medal

Answer 4

I don't care about medals, and one is posted.