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reply to add formulae.................

Note by Swapnil Jagtap 2 years, 7 months ago

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ncr =n!/(n-r)!×r! – Mohit Khanwale · 2 years, 7 months ago

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If you are referring to Permutations and Combinations, check out the Permutations Wiki and Combinations Wiki – Calvin Lin Staff · 2 years, 7 months ago

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TopNewestncr =n!/(n-r)!×r! – Mohit Khanwale · 2 years, 7 months ago

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If you are referring to Permutations and Combinations, check out the Permutations Wiki and Combinations Wiki – Calvin Lin Staff · 2 years, 7 months ago

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