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How do you evaluate expression in the combination rule: how do you solve 11 C 5

How do you evaluate expression in the combination rule: how do you solve 11 C 5
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How do you evaluate expression in the combination rule: how do you solve 11 C 5

User CramerTV
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\bf \left. \right._nC_r=\cfrac{n!}{r!(n-r)!}\implies \left. \right._(11)C_5=\cfrac{11!}{5!(11-5)!}
User GertVdE
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