Exercise calculus.differentiation.quotient

Description
Use the quotient-rule to find the derivative of a polynomial. Only remove parentheses in the numerator.

Derivation

D(x) ((-2)/(x-3))
calculus.differentiation.quotient
((x-3)*D(x) (-2)+2*D(x) (x-3))/(x-3)^2
calculus.differentiation.deriv-of-poly
2*D(x) (x-3)/(x-3)^2
calculus.differentiation.deriv-of-poly
2/(x-3)^2