What is the derivative of 2/3x-2
The derivative of $\displaystyle \frac{1}{u(x)}$ is $\displaystyle - \frac{u'(x)}{u^2(x)}$
The derivative of $\displaystyle \frac{1}{3x-2}$ is $\displaystyle - \frac{3}{(3x-2)^2}$
The derivative of $\displaystyle \frac{2}{3x-2}$ is $\displaystyle - \frac{6}{(3x-2)^2}$