Find the components of the vector v with given point P and terminal point Q, find te unit vector in the direction of v.
1. p: (3.2.0) Q: (5, -2,0)
Find the components of the vector v with given point P and terminal point Q, find te unit vector in the direction of v.
1. p: (3.2.0) Q: (5, -2,0)
Given vectors
If is a vector in 3-space with initial point and terminal , then
So, from the given vectors, we have
When we find a unit vector, we normalize.
Find the norm, which is just Pythagoras. A norm is a distance or length. The length of the vector.
To normalize, we take the reciprocal and get
A unit vector is
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