# Math Help - Differential calculus

1. ## Differential calculus

Pleas help:

Find the equation of the tangent to the graph 12=x^3 +xy + 3y^2 at the point (0,2).Determine where the tangent cuts the curve again.

Thanks

2. Originally Posted by mamamia
Find the equation of the tangent to the graph 12=x^3 +xy + 3y^2 at the point (0,2).Determine where the tangent cuts the curve again.
implicit derivative ... what did you get for $\frac{dy}{dx}$ ?