Question: Simplify the factorial expression. 1. 3! / 5! 2. 7! / 3! 4! 3. (n - 1)! / (n + 1)!

Simplify the factorial expression.
1. 3! / 5!
2. 7! / 3! ยท 4!
3. (n - 1)! / (n + 1)!

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