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Posted by **Selena** on Tuesday, February 7, 2012 at 7:03pm.

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

1.)n-1

2.)n+1

3.)n-1/n+1

4.)n

- Trigonometry -
**Reiny**, Tuesday, February 7, 2012 at 7:13pm(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

- Trigonometry -
**Anonymous**, Thursday, June 5, 2014 at 9:54pmN+1

- Trigonometry -
**Arianna**, Tuesday, December 30, 2014 at 5:38pmN-1

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