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Math Help - Unit Normal Vecotr Help

  1. #1
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    Unit Normal Vecotr Help

    I need help answering the following question.
    "Find a normal unit vector to the plane containing v=2i+3j-k and z=-3i-j-4k."
    All help is appreciated.
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  2. #2
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    Quote Originally Posted by collegemath View Post
    I need help answering the following question.
    "Find a normal unit vector to the plane containing v=2i+3j-k and z=-3i-j-4k."
    All help is appreciated.
    hint: the vector (cross) product of two vectors is perpendicular to both vectors.
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  3. #3
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    so is the normal unit vector just the cross product (v X z)?
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    Quote Originally Posted by collegemath View Post
    so is the normal unit vector just the cross product (v X z)?
    Almost try: \dfrac{v\times z}{\|v\times z\|.}
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