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Proving Vectors

Prove that S*(PxQ) = P*(QxS)
where * is dot product and x is cross product
if S=Sxi+Syj+Szk
P=Pxi+Pyj+Pzk
Q=Qxi+Qyj+Qzk

Solution Summary

The solution is in the attachment, step-by-step, with brief explanations.

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