/sci/ - Science & Math

>>12754242
anon said he miswrote the question, [math] f(x) = \frac{ax^3 + bx^2}{x^2} [/math].

>>12754256
[math] \frac{d}{dx}(\text{expression}) [/math] is standard notation for "the derivative of expression." Secondly, [math] \frac{d}{dx} \frac{1}{x^2} = \frac{d}{dx} x^{-2} = -2x^{-3} [/math] by power rule.