Respuesta:
d) 10
Explicación paso a paso:
[tex] \frac{8! + 9! + 10!}{8! + 9!} = \frac{8! + 9 \times 8! + 10 \times 9 \times 8!}{8! + 9 \times 8!} \\ = \frac{8 ! + 9 \times 8! + 90 \times 8!}{10 \times 8!} = \frac{100 \times 8!}{10 \times 8!} \\ = \frac{100}{10} = 10[/tex]
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Respuesta:
d) 10
Explicación paso a paso:
[tex] \frac{8! + 9! + 10!}{8! + 9!} = \frac{8! + 9 \times 8! + 10 \times 9 \times 8!}{8! + 9 \times 8!} \\ = \frac{8 ! + 9 \times 8! + 90 \times 8!}{10 \times 8!} = \frac{100 \times 8!}{10 \times 8!} \\ = \frac{100}{10} = 10[/tex]