Question

what comes after (n-1)! and (n+1)! is it n-2 and n-1????

Answer 1

first one is correct.. for the second it is n!

Answer 2

why is it n! ?

Answer 3

because n+1-1=n

Answer 4

oooo okay i get it.......how would u then solve this equation?
n+2!/(n-1)!=6(times) n+2!/(n+1)!?