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Question

The value of ‘k’ for which the points (1, 2), (5, 6) and (k, 1) are collinear is


A

0

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B

2

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C

3

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D

3

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Solution

The correct option is A

0


If three points are collinear then they lie on the same line.

Equation of the line passing through (1, 2) and (5, 6) is x-y+1=0.

Substituting the point (k, 1) in the line equation we get k = 0.


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