/ n n \ | 3 - 2 | lim |------------| n->n+| n n| \-1 + 2 + 3 /
Limit((3^n - 2^n)/(-1 + 2^n + 3^n), n, n)
1
/ n n \ | 3 - 2 | lim |------------| n->n-| n n| \-1 + 2 + 3 /