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Show that the vectors 3a+7b–c,3a–b–2c and –a+3b+c are coplanar.

Shivam tyagi , 7 Years ago
Grade 10
anser 1 Answers
Arun

Last Activity: 7 Years ago

If 3 vectors are co planar then remember 
 [P Q R ] = 0
Or you can say that their determinants is zero.
 
Regards
Arun (askIITians forum expert)

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