The surface S is parameterized by r(u, v) = (u, 2 cos(v), 2 sin(v)), 1 ≤ u ≤ 3,0 ≤ v≤n. 1. Identify the surface. a ellipsoid b cone c cylinder d paraboloid e plane 2. Find the normal vector ru x rv a (0,2 cos(v), -2 sin(v)) b (0,-2 cos(v), -2 sin(v)) c (1,2 cos(v), -2 sin(v)) d (1,-2 cos(v), -2 sin(v)) e none of the above (enter a, b, c, d, or e) (enter a, b, c, d, or e)

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