Question

Simplifique:
( n - 2 )! ( n + 2 )! / ( n + 3 )! (n - 1 )

Answer 1

Bom,

( n - 2 )! ( n + 2 )! / ( n + 3 )! (n - 1 )

=( n + 2)( n + 2 )!.( n - 2 )( n - 1 )! / ( n + 3 )! (n - 1 )

= ( n + 7 )( n - 4 )

R: ( n + 7)( n - 4 )

Espero ter ajudado, bons estudos <3