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-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)/(x-1)^2
⇒ calculus.differentiation.deriv-of-poly(x-1-x-5)/(x-1)^2
⇒ algebra.equations.linear.merge-6/(x-1)^2