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Questions  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class11  >>  3-D Geometry
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Q)

If $P(3,2,-4),\:Q(5,4,-6)\:and\:R(9,8,-10)$ are collinear,then $R$ divides $PQ$ in ratio?

$ (a)\:3:2\:\:internally\:\:\qquad\:(b)\:3:2\:externally\:\:\qquad\:(c)\:2:1\:internally\:\:\qquad\:(d)\:2:1\:externally$.

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