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(1 point) Find a unit vector with positive first coordinate that is orthogonal to the plane through the points P=(4,3, 4), Q(3, 4, 3),

(1 point) Find a unit vector with positive first coordinate that is orthogonal to the plane through the points P=(4,3, 4), Q(3, 4, 3), and R= (3, 4, -1). Note: You can earn partial credit on this problom.

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