Question

For a real number x, sqrt(sqrt(-x)) is equal

a) +x b) -x c) complex d) pure imaginary

Answer 1

sqrt(-x) is pure imaginary. It will be in the form +√x i and -√x i
And the square root of +√x i and -√x i are in the format X+iY and X-iY

So the answer is c) complex

Answer 2

Hmm... this one is interesting, let me try by making sure we're thinking the same thing:

You're question looks like this?

`\sqrt{√(-x)}`