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Hello everyone, i'm really stuck on this problem, the algebra is killing me. The professor said Show that the two vectors are in the same direction, but the fact is, its the zero vector he said. So it points to nothing or points everywhere. He told us to convert the diagram into Unit vectors. So I first found the distance d1 and d2. Then found the midpoint. I then attempted to find the Unit vectors by taking the (1/|A|) <x,y,z> but its getting really messy, and i'm stuck, any help would be great!! Click the link for the picture:

http://www.imagehosting.us/index.php?action=show&ident=653183

http://www.imagehosting.us/index.php?action=show&ident=653183

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