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Mathematics: Post your doubts here!

I really need some help i am sure its simple but i completely forgot about it 1.Simply mC3 Answer is m(m-1)/2 Can you show me the working step by step , i am having huge trouble in simplying these where either n or r is unknown
- Khav19
- Post #6,204
- Apr 5, 2013
- Forum: A-Levels

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