Answer Happy

Let f(u, v) be a differentiable function with • f(17,5) = 0, Vf(17,5) = 31 – 4). . An equation for the tangent plane to the surface f(x2y + x3, x + y2) = 0 at the point (x, y, z) = (3,1, 2) is given by * (x – 3)+ 32 * (y – 1)+ -20 * (z − 2) = 0. 55