Rational function/R/Determine derivative/x^2+x-1 over x^3-x+2/Exercise

Determine the derivative of the function

$f:D⟶ℝ,x⟼f(x)=\frac{x^2+x-1}{x^3-x+2},$

where $D$ is the set where the denominator does not vanish.

Create a solution