Let and be 3d vectors. Explain in words with the aid of a diagram why: ( x ). = 0. Explain with the aid of a diagram, that if x( . ) = , what is . ? should be using right hand rules etc
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Originally Posted by whyyie Explain in words with the aid of a diagram why: ( x ). = 0. Explain with the aid of a diagram, that if x( . ) = , what is . ? These should be easy to answer if you set up a diagram. What do we know, geometrically, about the cross product of two vectors? And when will the dot product of two vectors be zero?
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