There are p-points in a plane, no three of which are in the same straight line with the…
Mathematics · JEE Main · NTA Exams — Permutations and Combinations
There are p-points in a plane, no three of which are in the same straight line with the exception of q points, which are all in the same straight line. Find the number of triangles which can be formed ?
- \({ }^{\mathrm{a}} \mathrm{C}_{3}\)
- \({ }^{\mathrm{a}} C_{1}-{ }^{\mathrm{b}} C_{3}\)
- \({ }^{\mathrm{p}} C_{1}-{ }^{\mathrm{h}} C_{1}+1\)
- None of these
Answer
(D) None of these
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