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8. Find a normal for the plane that passes through the points: P(2, -2, 3), Q(0, 2, 1), R(-1, -4, 2) and ba bably arlf Toblend ) still sutro mieg ways 9. Determine the exact point on the line x + 3y = 3 that is closest to (0, 0). 10. Find any two non collinear vectors on the plane 2x + y - 4z + 5 = 0