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Using slopes, find the value of x for which the points A(5, 1), B(1, -1) and C(x, 4) are collinear.

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Using slopes, find the value of x for which the points A(5, 1), B(1, -1) and C(x, 4) are collinear.

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For three points to be collinear, the slope of all pairs must be equal, that is the slope of AB = slope of BC = slope of CA

Given points are A(5, 1), B(1, -1) and C(x, 4)

Note:- We can use any two points to get the value of “x”.

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