Question

How do you find the derivative of `x/(x+1)`?

Answer 1

`(1)/ (x+1)^2`

Explanation:

`(x/(x+1))^prime = (x'(x+1) - x (x+1)')/(x+1)^2`

`= (x + 1 - x)/ (x+1)^2`

`= (1)/ (x+1)^2`