Question

đạo hàm \(f\left(x\right)=\dfrac{x^3}{x-1}\)

Answer 1

\(f'\left(x\right)=\dfrac{3x^2\left(x-1\right)-1.x^3}{\left(x-1\right)^2}=\dfrac{2x^3-3x^2}{\left(x-1\right)^2}\)