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vec(a),vec(b)andvec(c) are said to be co...

`vec(a),vec(b)andvec(c)` are said to be colpanar if

A

`[vec(a),vec(b),vec(c)]=0`

B

`vec(a),vec(b),vec(c)` lie on the same plane

C

They are either parallel or intersecting

D

Skew lines

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