(a) Find an equation of the tangent plane to the surface at the given point. x² + y? + z? = 14, (1, 3, 2) (b) Find a set of symmetric equations for the normal lineto the surface at the given point. O x - 1 у - 3 z - 2 14 14 14 y %3D %3D 14 14 14 х — 1 У - 3 z - 2 %3D 1 3 Ox – 1 = y – 3 = z – 2 OX = Y - z 3 2 1

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