how to Show that the (2, 3, 4), (– 1, – 2, 1), (5, 8, 7) are collinear points

Question : Show that the (2, 3, 4), (– 1, – 2, 1), (5, 8, 7) are collinear points. Solution : To Show that the points (2, 3, 4), (– 1, – 2, 1), (5, 8, 7) are collinear. Let…

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