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 ??

Question

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 ??

anonymous · Answer

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

anonymous · Answer

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

anonymous · Answer

Many Thnx :D