# Coplanar and Non-coplanar Vectors

## Concept

**Definition:**Any finite number of vectors are called coplanar vectors if they lie on the same plane or parallel planes. If the vectors are coplanar them we can always draw a parallel plane to all of them. Similarly, a finite number of vectors are said to be non-coplanar if they do not lie on the same plane or on the parallel planes. In this case we cannot draw a single plane parallel to all of them.

**Theorem**: If

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