Expressed in simplest form,

Question

(n-1/n)/(1+1/n) is equivalent to...

1.)n-1
2.)n+1
3.)n-1/n+1
4.)n

Answer 1

(n-1/n) / (1+1/n)
multiply top and bottom by n
(n^2 - 1)/(n+1)
= (n+1)(n-1)/(n+1)
= n -1 , n≠ -1

Answer 2

N+1

Answer 3

N-1

Answer 4

N+1