Asked by Salman
Find an equation of the tangent plane (in the variables x, y and z) to the parametric surface
r(u,v) =(2u, 3u^2+5v, -4v^2) at the point (0,-10,-16)
r(u,v) =(2u, 3u^2+5v, -4v^2) at the point (0,-10,-16)