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Homework Statement
For a real number x, √√(-x) equals :
a) +x b) -x c) complex d) pure imaginary
Homework Equations
√-1 = i
The Attempt at a Solution
Here is what i did:
If x is a positive real number then the answer comes out to be x^0.25 * √i (now what is square root of i equal to?)
But if x is a negative real number then the solution would be :
x^0.25
I don't know what to do next, any help would be appreciated.