Simplify 3!/5!
We call 3! 'three factorial' and 5! 'five factorial'.
3!=3x2x1
5!=5x4x3x2x1
So our fraction becomes:
(3x2x1) / (5x4x3x2x1) = 6/120
Then dividing the top and bottom by 6 we get:
1/20
ME
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