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Is the equation [itex]x+y+z=0[/itex] the xyz-plane?(i.e.
Is the equation [itex]x+y+z=0[/itex] the xyz-plane?
(i.e. points that are multiples of [itex](1,1,1)[/itex])
Is the equation [itex]x+y+z=0[/itex] the xyz-plane?
(i.e. points that are multiples of [itex](1,1,1)[/itex])