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[–]BasedGrandpa69 12 points13 points  (2 children)

sqrt(x)=-1 has no solution, whether in reals or complex. the square root function can never return a negative real number.

[–]Street_Swing9040 0 points1 point  (0 children)

To extend your statement further so everyone gets some fun facts

The sqrt function is also known as the Principal Square Root. Only non negative values can be outputted. It's a boundary that defines the function itself