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OpenStudy (anonymous):
The following link explains how to find distances between a point and a plane: http://ocw.mit.edu/courses/mathematics/18-02sc-multivariable-calculus-fall-2010/part-b-matrices-and-systems-of-equations/session-12-equations-of-planes-ii/MIT18_02SC_notes_6.pdf However, there is a part of the explanation which I can not follow. If someone could go through the explanation starting from "using the relation" in example 2 with me I would be very grateful.
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OpenStudy (anonymous):
Relevant part
OpenStudy (anonymous):
more specifically my question is, why do we reverse PQ to QP
OpenStudy (anonymous):
It shouldn't matter... |PQ| = |QP|.
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