Question

What is the derivative of: y=1/(x+1)+2?

Answer 1

`y=(1)/(x+1)+2=(x+1)^(-1)+2\\\\y'=\left[(x+1)^(-1)+2\right]'=-(x+1)^(-1-1)=-(x+1)^(-2)=-(1)/((x+1)^2)`

Answer 2

That derivative is    - 1 / (x + 1)²