Question

What is the square root of -1?
–i
i
–1
1

Answer 1

`i`

Explanation:

`√(-1) =i`

`i` is an imaginary number that represents the square root of -1.

Answer 2

The answer is in i.

This is because 1*1=1 but because of the negative we add an i for imaginary. So it’s simplified to i.