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Module 1: Scalar products of vectors

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Perpendicular Vectors

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Advanced Mathematics - Perpendicular vectors

Perpendicular vectors

These are vectors that are positioned at right angles to each other.
Remember that:

If the vectors are perpendicular then:

So if vectors are perpendicular, their scalar product is zero. Conversely,
if the scalar product of two vectors is zero, then they are perpendicular.

If is the vector

then

Hence and are perpendicular vectors [1].

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