# How do you differentiate f(x)= ln(x^2)?

You can use the derivative of lnx and the chain rule to get: $f ' \left(x\right) = \frac{1}{x} ^ 2 \cdot \left(2 x\right) = \frac{2}{x}$
Or use $\ln \left({x}^{2}\right) = 2 \ln x$. to get $2 \cdot \frac{1}{x} = \frac{2}{x}$