Question

Which of the following is equivalent to the complex number i^5

Choose 1 answer:
1
i
-1
-i

Answer 1

i

Explanation:

i =
`√(-1)` ⇒ i² = (
`√(-1)` )² = - 1 , then

`i^(5)`

= i² × i² × i

= - 1 × - 1 ×i

= 1 × i

= i