3 years ago

Evaluate the following 12!/9!3!

1 answer:

5 0

$\dfrac{12!}{9!3!}=\dfrac{12\times11\times10\times9!}{9!3!}=\dfrac{12\times11\times10}{3!}=\dfrac{6\times2\times11\times10}{3\times2\times1}=2\times11\times10=220$

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