3.4: Resumen
- Page ID
- 114577
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- El número de\(r\) -permutaciones de\(n\) objetos es\(\dfrac{n!}{(n − r)!}\).
- El número de\(r\) -combinaciones de\(n\) objetos es\(\binom{n}{r} = \dfrac{n!}{r!(n−r)!}\).
- El Teorema Binomial
- Definiciones importantes:
- permutación,\(r\) -permutación
- \(n\)factorial
- \(r\)-combinación
- \(n\)elegir\(r\)
- coeficientes binomiales
- Notación:
- \(n!\)
- \(\binom{n}{r}\)