Question 2 > Consider the point P(2,-1,-4) and the vectors a =< -2,-1,2> and < -3,2, 2 >. (a) Find the unit vector u that has the opposite direction of a. (b) Find the plane that passes through the point P and is orthogonal to the vector 6 - 26. (c) Find the point, if any, at which the Line with parametric equations x = -2+t, y = 1-t, intersects the Plane found in part b). z = -3t

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