Find the domain of the function \(f\left( x \right) = \frac{{x + 1}}{{x^2 - 5x + 6}}\)
1
For all the real values except -1 and 2
2
For all the real values except 2 and 3
3
For all the real values except 3 and -1
4
For all the real values except -2 and -3