Question

$\\ c \binom{11}{3}$
​

Answer 1

$\binom{n}{p}=\frac{n!}{p!.(n-p)!}$

 Logo:

$\binom{11}{3}\\\frac{11!}{3!.(11-3)!}\\\frac{11.10.9.8!}{3!.8!}\\\frac{11.10.9}{6}\\\frac{11.90}{6}\\\frac{990}{6}\\165$

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