Function involving a negative square root HELP?

[yobrojas]

As you can't take the square root of a negative number without introducing complex numbers, which would be the correct answer to this function:

Equation:

x = -2

f(x) = √x / (x(x-1))


Answer a) 1.41i / 6

or

Answer b) 0

 

[HallsofIvy]

Since you start by saying "you can't take the square root of a negative number without introducing complex numbers", why would you even ask whether a real number is the answer?

 

[yobrojas]

Sorry about that, just realize what I said...Apologies!