If two vectors u and v fit the equation (u - v) times (u - v) = u times u + v times v, how must these vectors u and v be related? What familiar theorem does this equation represent?
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Is this the problem: ? That is dot product, not times.
Originally Posted by Plato Is this the problem: ? That is dot product, not times. Yes it is. Sorry I didn't know how to do dots, so I just put the x in instead. I should have specified. Can you help me? =(
but if that is do you see that ? So what does that mean about u & v?
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