Two vectors are
*collinear*
if they lie on the same line or on parallel lines:

The definition given above can be written in the formula notation:

where n - some constant (scalar).

If we move from vectors notations to the coordinate ones, the formula above takes the form:

(
a_{x},
a_{y},
a_{z}
) =
n ∙
(
b_{x},
b_{y},
b_{z}
)

therefore, if two vectors are collinear, the following condition is hold:

Our online calculator checks the collinearity of two vectors with step by step solution for free.

Vectors collinearity calculator

by:

by:

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