Question

(n+1)(n+2)/(n-1)n ayuda ​

Answer 1

Explicación paso a paso:

(n+1)(n+2)/(n-1)n

= (n²-1)•(n+2)•n

= (n³-1)•(n+2)

Resultado final = n⁴+2n³-n²-2n

Espero te sea útil ✌️