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Question
For what value of a the point (a,1),(1,−1) and (11,4) are collinear?
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Solution
For what the value of a (a,1)(1,−1)and(11,4) are collinear.
Slope of AB=Slop of BC
−1−11−a=4+111−1−21−a=5101−a=−4a=5
For this value, the points will be collinear.
Slope of AB=Slop of BC
−1−11−a=4+111−1−21−a=5101−a=−4a=5
For this value, the points will be collinear.
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