Exercise calculus.differentiation.quotient
Description
Use the quotient-rule to find the derivative of a polynomial. Only remove parentheses in the numerator.
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
((x-2)*D(x) x-(x+1)*D(x) (x-2))/(x-2)^2
⇒ calculus.differentiation.deriv-of-poly(x-2-(x+1)*D(x) (x-2))/(x-2)^2