Homework: MML HW 3.8 Derivatives 10 Logarithmic Di... Use logarithmic differentiation to find the derivative of y with respect to the given independent variable. y = (t )(t+ 8)(t+2). Take the logarithm of both sides of the equation and expand it using the product rule of logarithms. y = (t)(t+8)(t+2) In y = In ((t)(t+8)(t+2))