Question

Which is equivalent to i^3?

A) -1
B) 1
C) 0
D) i
E) -i

Answer 1

E)
`-i`

Explanation:

Extended Information on the Complex Number System

`√(-1) = i \\ -1 = {i}^(2) \\ -i = {i}^(3) \\ 1 = {i}^(4)`

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