So are you saying there are two answers?
Ok so i'm not sure what to do now then?
Does the same apply to this formula
While one solves "x^2 = 4" for the two solution values, -2 and +2, "the" value of the square root of 4, sqrt, is defined to be the principal (that is, the positive real) value: sqrt = 2.
So no, there will most definitely not be two answers to this one evaluation exercise! (Surprised)
. . .
And the above is the only answer! (Wink)