1.

Answer these questions based on the following informations There are n points on a plane, out of which m are collinear points, such that mltn Find the maximum number of triangles formed by joining them.

Answer»

`N!-m!`
`^mC_3-^nC_3`
`(n-m)C_3-^mC_3`
`^nC_3-^mC_3`

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