# How do you use the quotient rule to differentiate #x/ sqrt (x^2 + 1)#?

##### 1 Answer

Oct 3, 2016

#### Explanation:

The quotient rule states that

Let's compute everything's required, and then we'll just substitute our results in this formula: we have

Also,

Thus,

We can write this last result as

And then we can rearrange the numerator as

which equals