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 What is difference between collinear & coplanar vectors ? 

If  vector AO + OB = vector BO + OC , then A , B , C are coplanar or collinear ?

Asked by Anunoy Choudhar...(student) , on 26/9/10

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 collinear vectors means that they have lie on any line which are common in them 

but coplanar means they lie in a plane such as x-y plane our cartesian coordinate system like that 

Posted by Vivek Gautam(student)

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 they are maybe collinear but they are guaranteed coplanar unless you are not studying them in 3D geometry 

Posted by Vivek Gautam(student)

Since vector AO+OB=BA

and vector BO+OC=CB

both the vectors have a common point B therefore they are collinear

Posted by Stan Lance(student)

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