Analytic Geometry What is the difference between direction vector and direction ratio ?? or the are the same ?? and what is the importance of direction ratio ??
Direction ratios are the components of a direction vector. Direction vectors are vectors in a particular direction i.e. btween 2 points
Parametrically a line is defined as c + tv v is the direction vector t is a parameter c is a point on the line
Many Thnx :D
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