Posted by **Beta plus** on Wednesday, October 28, 2009 at 8:42am.

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**, Wednesday, October 28, 2009 at 8:57am
For P(a,b,c) and Q(d,e,f)

vector PQ = (d-a,e-b,f-c)

magnitude of vector PQ = √((d-a)^2 + (e-b)^2 + (f-c)^2)

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