Show that the points A(2,3,4),B(-1,-2,1) and C(5,8,7) are collinea | Filo
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Class 12

Math

3D Geometry

Three Dimensional Geometry

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Show that the points and are collinear.

Solution:
D.r's of are ie., ie.,
Dr's of are ie., ie.,  
and both have a common end point
Hence are collinear

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