Posted by Beta plus on .
Determine the vector having initial point P(x¡,y¡,z¡) and the terminal point Q(x¡¡,y¡¡,z¡¡) and find its magnitude.

Vector & Geometry 
Reiny,
For P(a,b,c) and Q(d,e,f)
vector PQ = (da,eb,fc)
magnitude of vector PQ = √((da)^2 + (eb)^2 + (fc)^2)