02 - Fatorial - exercícios

Prévia do material em texto

1 
 
 
 
 
Calcule: 
1. 
7!
4!
= 
 
 
 
2. 
3! ⋅ 5!
4! ⋅ 6!
= 
 
 
 
 
3. 
12! − 13!
12!
= 
 
 
 
 
 
 
 
Simplifique: 
4. 
𝑛!
(𝑛 − 2)!
= 
 
 
 
5. 
(𝑛 + 1)!
(𝑛 + 2)!
= 
 
 
 
 
6. 
(𝑛 + 3)!
(𝑛 − 2)!
⋅
(𝑛 − 1)!
(𝑛 + 2)!
= 
 
 
 
 
 
 
GABARITO: 
1. 210 
2. 1/24 
3. -12 
4. 𝑛2 − 𝑛 
5. 1
𝑛 + 2⁄ 
6. 𝑛2 + 2𝑛 − 3
 
Exercícios: Fatorial 
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