Question

( n + 1) ! - 2n ! /n! + ( n - 1)! ​

Answer 1

Resposta:

( n + 1) ! + ( n - 1)! ​- 2

Explicação passo a passo:

( n + 1) ! - 2n ! /n! + ( n - 1)! ​

( n + 1) ! - 2 + ( n - 1)! ​

( n + 1) ! + ( n - 1)! ​- 2