Find k if the points A (k,2-2k), B (-k+1,2k) and C (-4-k,-2k) are collinear.....its urgent...!!!
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https://www.meritnation.com/ask-answer/question/find-the-value-of-k-if-the-points-a-k-1-2k-b-3k-2k-3-and/coordinate-geometry/3968245