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Thread: vectors

  1. May 6th 2012, 02:48 PM #1
    mathkid12
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    vectors

    Simple question how to know if vectors are parallel or perpendicular??
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  2. May 6th 2012, 03:04 PM #2
    Plato
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    Re: vectors

    Quote Originally Posted by mathkid12 View Post
    Simple question how to know if vectors are parallel or perpendicular??
    Two vectors are parallel if they are non-zero scalar multiples of one another.

    Two vectors are perpendicular if their dot product equals zero.
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