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)
((5*x^2+7)*9*x^2-3*x^3*(D(x) (5*x^2)+D(x) 7))/(5*x^2+7)^2
⇒ calculus.differentiation.deriv-of-poly((5*x^2+7)*9*x^2-3*x^3*(10*x+D(x) 7))/(5*x^2+7)^2
⇒ calculus.differentiation.deriv-of-poly((5*x^2+7)*9*x^2-30*x^4)/(5*x^2+7)^2