could someone tell me of this answer is correct:

the triangle ABC has verticies A(-1,3,0), B(-3,0,7), C(-1,2,3). Find a) AB

A: 21i+10j-9k ?

cheers.

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- March 9th 2010, 07:03 AMhyzlemonvector problem
could someone tell me of this answer is correct:

the triangle ABC has verticies A(-1,3,0), B(-3,0,7), C(-1,2,3). Find a) AB

A: 21i+10j-9k ?

cheers. - March 9th 2010, 09:26 AMHallsofIvy
- March 9th 2010, 09:34 AMhyzlemonok thanks, that was actually my original answer but i was told that it was wrong for some reason, by a phd student aswell.