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    Vector Proof : Dot-products and Cross-Products

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    Show that (A x B).(C x D) = (A.C)(B.D) - (A.D)(B.C)
    Show that [A x (B x C)].B = (A x B).(A x B)

    © BrainMass Inc. brainmass.com October 9, 2019, 8:11 pm ad1c9bdddf
    https://brainmass.com/math/vector-calculus/vector-proof-dot-products-cross-products-142380

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    A vector proof is provided. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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