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Math Help - vectors

  1. #1
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    vectors

    how do i find the shortest distance between (3, 6, 2) and -2x + 8y - 9z + 5 = 0 ??
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  2. #2
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    Given a plane and a point not on it, \Pi :\,\,N \cdot (R - P) = 0\,\& \,Q \notin \Pi .
    Then the distance between the two is: D(\Pi ;Q) = \frac{{\left| {\overrightarrow {PQ}  \cdot N} \right|}}{{\left\| N \right\|}}
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