Respuesta:
Explicación paso a paso:
(x+2)! = (x+2)(x+2-1)! = (x+2)(x+1)!
---------------- -------------
(x+1)! (x+1)!
Se va (x+1)! con (x+1)!
Te queda = (x+2)
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Respuesta:
Explicación paso a paso:
(x+2)! = (x+2)(x+2-1)! = (x+2)(x+1)!
---------------- -------------
(x+1)! (x+1)!
Se va (x+1)! con (x+1)!
Te queda = (x+2)