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January 31, 2015

January 31, 2015

Posted by **Grace** on Saturday, January 7, 2012 at 9:34pm.

- Precalc - incomplete -
**Steve**, Sunday, January 8, 2012 at 3:42pmYou have two vectors:

**a**= (7,11,3)**b**= (x,y,z)

The vector from a to b can be found by

**a**+**d**=**b**

so,**d**=**b**-**a**

= (x-7,y-11,z-3)

so the distance is |**d**| in the direction of**d**.

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