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In: Math

a) Find the equation of the normal line at the point (−2, 1 − 3) to...

a) Find the equation of the normal line at the point (−2, 1 − 3) to the ellipsoid x2 /4 + y2 + z2 / 9 = 3

b) Find a plane through P (2, 1, 1) and perpendicular to the line of intersection of the planes: 2x+y−z = 3 and x+2y+z = 2.

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