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