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Mathematics 8 Online
OpenStudy (anonymous):

The l has the equation r=(4i+2j-k) +t(2i-j-2k). It lies in the plane p, 2x-2y+3z=1. Show that the perpendicular distance of the line to the point P, (2j+4k), is root 5.

OpenStudy (shubhamsrg):

I generally prefer the cartesian form, how about you ?

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