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Mathematics 9 Online
OpenStudy (anonymous):

Let R1 be the line parallel to AB which passes through D(2,-1,0) and R2 be the line parallel to AC which passes through E( -1,1,1). a) Find the equations of the lines R1 and R2. b) Show that R1 and R2 do not intersect. plleeassse help!

OpenStudy (anonymous):

More info is needed about the line AB.

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