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OpenStudy (anonymous):

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 ??

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OpenStudy (anonymous):

Direction ratios are the components of a direction vector. Direction vectors are vectors in a particular direction i.e. btween 2 points

OpenStudy (anonymous):

Parametrically a line is defined as c + tv v is the direction vector t is a parameter c is a point on the line

OpenStudy (anonymous):

Many Thnx :D

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