Question

what is (n-1)!/(n-2)!​

Answer 1

Answer:

n-1

Step-by-step explanation:

(n-1)!/(n-2)!.

here

(n-1)!=(n-2)!×(n-1).

we get

[(n-2)!×(n-1)]/(n-2)!.

here

both (n-2)! get cancelled.

so wet get

n-1 as answer.