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How do you write $40 \times 39 \times 38 \times 9 \times 8 \times 7$ $40times39times38times9times8times7$ as a ratio of factorials?

1 Answer

Nov 11, 2015

$\frac{40! \times 9!}{37! \times 6!}$ $(40!xx9!)/(37!xx6!)$

Explanation:

$\frac{40! \times 9!}{37! \times 6!}$ $(40!xx9!)/(37!xx6!)$

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