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Find the Value of X for Which the Points (X, –1), (2, 1) and (4, 5) Are Collinear.

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प्रश्न

Find the value of x for which the points (x, –1), (2, 1) and (4, 5) are collinear.

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उत्तर

If points A (x, –1), B (2, 1), and C (4, 5) are collinear, then

Slope of AB = Slope of BC

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