MATHEMATICS · Single correct · AP · Calculus AB · Differentiation: Composite, Implicit, and Inverse Functions · Differentiation: Composite, Implicit, and Inverse Functions
Problem
Before differentiating implicitly, a student takes the natural logarithm of both sides of the equation x3y2e5y=7. Which of the following equations is obtained after this step?
(a) 3lnx+2lny+5lny=ln7
(b) 3lnx+2lny+5y=ln7
(c) 3lnx+2lny+5y=7
(d) lnx3+lny2+5y=ln7