Question: 3. Let f: 3 - R be defined by g(r, y, z) = 2x2 + + 23. (a) Compute the gradient Vg. (b) The equation

3. Let f: 3 - R be defined by g(r, y,

3. Let f: 3 - R be defined by g(r, y, z) = 2x2 + + 23. (a) Compute the gradient Vg. (b) The equation 2x2 + y2 + 23 = 14 determines a surface S in R3. Find the equation for the tangent plane to S at (1, -2, 2)

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