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Deepak Bora
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Find a relation between x and y if the points A(x, y), B(– 4, 6) and C(– 2, 3) are collinear

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CBSE 10th Class past year question paper

Year 2019

SET 1, Code Number – 30/2/1

Question number – 8 (a)

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1 Answer

  1. A, B, C are collinear

    ⇒ ar. (∆ABC) = 0

    ∴ 1/2 [x(6 – 3) – 4(3 – y) – 2(y – 6)] = 0

    ⇒ 3x + 2y = 0

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