How do you find the first and second derivative of (lnx)^3?

May 31, 2016

Answer:

f'(x)=$\frac{3}{x} {\left(\ln x\right)}^{2}$
f''(x) =$\frac{3}{{x}^{2}} \left[2 \ln x - {\left(\ln x\right)}^{2}\right]$