### Multiple Variable Calculus

Question 1. Find the critical points of the function f(x, y) = 4xy2 - 4x2 - 2y2 and classify them as local maxima, minima or saddles or none of these. Question 2. The surface is defined by z = 3x2 + 2y2 - 3 Find the equation of the tangent plane to the surface at the point (1, 1, 2). Question 3. (