Find an equation of the tangent plane (in the variables x, y, and z) to the parametric surface r(u, v) = <-2u, 4u^2 - 2v, 2v^2> at the point (-4, 18, 2).
Find an equation of the tangent plane (in the variables x, y and z) to the parametric surface r(u, v-(-2m 4u2-2v, 2y2)at the point (-4, 18, 2)
