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)
((3*x-1)*D(x) (-4)+4*D(x) (3*x)-4*D(x) 1)/(3*x-1)^2
⇒ calculus.differentiation.deriv-of-poly((3*x-1)*D(x) (-4)+4*D(x) (3*x))/(3*x-1)^2
⇒ calculus.differentiation.deriv-of-poly((3*x-1)*D(x) (-4)+12)/(3*x-1)^2
⇒ calculus.differentiation.deriv-of-poly12/(3*x-1)^2