# How do you rationalize the denominator and simplify #[1 / {1 + x^(1/6)}]#?

##### 1 Answer

#### Answer:

We need to multiply the numerator and the denominator by a polynomial,

#### Explanation:

Please understand that

Let

The denominator that we want can be written in terms of u as:

The denominator that we have can be written in terms of u as:

We can find

Reverse the substitution:

We multiply the given expression by 1 in the form of

This has rationalized the denominator.