Show that the point A (1,-1,3),B …

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Show that the point A (1,-1,3),B (2,-4,5),C(5,-13,11) are collinear

Posted by Vatsal Kantariya 4 years, 6 months ago

CBSE > Class 11 > Mathematics

1 answers

Vivek Kumar 4 years, 6 months ago

1/2[ x1(y2-y3) + x2(y3-y1) + x3(y1-y2) ] = 0 (if the points are colinear) put the values & check

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