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![[Post New]](/templates/default/images/icon_minipost_new.gif) 16 May 2008 10:14:52 IST
Accepted Answer [?]
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I think the question must be that there are P points in a plane of which Q are on a straight line.If it is so,then
1)No.of straight lines=(P-Q)c2+(P-Q)(Q)+1
2)No.of triangles=(P-Q)c3+(P-Q)c2.Q+(P-Q).Qc2
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MAKING A MISTAKE IS HUMAN BUT REPEATING IT IS IDIOTIC. |
this reply: 5 points
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