Exercise calculus.differentiation.quotient

Description
Use the quotient-rule to find the derivative of a polynomial. Only remove parentheses in the numerator.

Derivation

Final term is not finished

(2-x^2-(x+3)*(D(x) 2-D(x) (x^2)))/(2-x^2)^2

⇒ calculus.differentiation.deriv-of-poly

(2-x^2+(x+3)*D(x) (x^2))/(2-x^2)^2

⇒ calculus.differentiation.deriv-of-poly

(2-x^2+(x+3)*2*x)/(2-x^2)^2