R Rey Cadiz New member Nov 4, 2010 #1 A curve in the xy-plane is defined by xy^2 - x^3y = 6. a) find dy/dx. b) find an equation for the tangent line at each point on the curve with x-coordinate 1. c) find the x-coordinate of each point on the curve where the tangent line is vertical.
A curve in the xy-plane is defined by xy^2 - x^3y = 6. a) find dy/dx. b) find an equation for the tangent line at each point on the curve with x-coordinate 1. c) find the x-coordinate of each point on the curve where the tangent line is vertical.