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-1)*(D(x) x+D(x) 5)-x*D(x) (x-1)-5*D(x) (x-1))/(x-1)^2
⇒ calculus.differentiation.deriv-of-poly((x-1)*(1+D(x) 5)-x*D(x) (x-1)-5*D(x) (x-1))/(x-1)^2
⇒ calculus.differentiation.deriv-of-poly(x-1-x*D(x) (x-1)-5*D(x) (x-1))/(x-1)^2