Differentiable
Calculus
Level
2
\(f(x)\) is a function differentiable at \(x=1,\) and \(f'(1)=\frac{1}{5}\). What is the value of \[\displaystyle \lim_{x \to 1} \frac{x^3-1}{f(x)-f(1)}?\]
by
Ajay Dutta