1. ## Absolute Value

$|1-sqrt2|$

|1- square root of 2|

I want to know the method explained step by step on how to do it please?

2. Originally Posted by nerdzor
$|1-sqrt2|$

|1- square root of 2|

I want to know the method explained step by step on how to do it please?
how to do what?? you don't have a question here

3. Originally Posted by nerdzor
$|1-sqrt2|$

|1- square root of 2|

I want to know the method explained step by step on how to do it please?
The answer is $\sqrt{2} - 1$.

This is because you want the size of $|1 - \sqrt{2}|$ and $1 - \sqrt{2}$ is negative .....