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simplify the product 5/n+1 • n+1/n+3

Hi !
In this case,you can multiply 5 by (n+1) and (n+1) by (n+3)
The product will be :
[tex] \frac{5*(n+1)}{(n+1)(n+3)} [/tex]
Now you can reduce n+1,so you'll have :
[tex] \frac{5}{n+3} [/tex]