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Unformatted text preview: n . 2. Given points A(1,-1,1), B(2,0,1) and C(1,2,0). (a) Where is the point D which makes ABCD into a parallelogram? (b) What is the area of the parallelogram ABCD? (c) Find a defining equation for the plane P containing the parallelogram ABCD. (d) Where does P intersect the y-axes?...
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