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March 25, 2017

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Find the vector eqn which passes through (1,1,2) and is parallel to the vector which is perpendicular to both 2i+2j-k and -3i+2j+k

  • math - ,

    take the cross-product to (2,2,-1) and(-3,2,1)
    which is (4,1,10)

    So your line must have that directions

    so the vector equation is

    _
    r = (1,1,2) + k(4,1,10)

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