physics

find the triple product of (A*B).C given that A =i + 4j, B=2i - 3j and C = i + k?

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  1. Recall that A•B×C =
    |a1 a2 a3|
    |b1 b2 b3|
    |c1 c2 c3|
    Now, since u•v = v•u, A×B•C = C•A×B =
    |1 0 1|
    |1 4 0| = -11
    |2 -3 0|

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    oobleck

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