Question 1,

Review Problems Find a unit normal vector for the following function at the point P(4, 5, 64): 1:01:31\") = 333 (Please show your answer accurate to 4 decimal places.) a: Hint: Write your answer as a vector (a, b, c) with a negative 2 component Review Problems Find a unit normal vector to the surface f(m, y, z) : 0 at the point P(3, 3, 6) for the function 453 a: z = 1n Please write your answer as a vector ((1, b, c) with a negative z component, and show your answer accurate to 4 decimal places Determine the equation of a plane tangent to a given surface at a point. Find the tangent plane to the equation z = 6y cos(5m 4y) at the point (4, 5, 30). z