I am learning derivatives and I despise having to use the definition of the derivative. Please check my answer for this particular one! it is different from the one I get by differentiating.

The question: f(x) = 2+x / x^3
my answer: -6x^2-2x^2

2 answers

Learn to use parentheses where needed. Is the numerator x or 2+x ?
sorry!
the numerator is 2+x and the denominator is x^3