Using the method of slope, show that the following points are coll | Filo
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Class 12

Math

Algebra

Determinants

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Using the method of slope, show that the following points are collinear : 

 

Solution:
(i) Slope of AB
Slope of BC
Hence ABBC, but B is a point of intersect.
Hence A, B, C are collinear.
(ii) Slope of AB
Slope of BC
Slope of AB slope of BC
Hence A, B, C are collinear.
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