Question

\(\sqrt{\left(\sqrt{8}-4\right)^2}\)

Answer 1

\(\sqrt{\left(\sqrt{8}-4\right)^2}\)

\(=\left|\sqrt{8}-4\right|\)

\(=4-\sqrt{8}\)

Answer 2

\(\sqrt{\left(\sqrt{8}-4\right)^2}=\left|\sqrt{8}-4\right|=4-\sqrt{8}=4-2\sqrt{2}\)

Answer 3

`sqrt{(sqrt{8} - 4)^2}`

`= |sqrt{8} - 4|`

`= 4 - sqrt{8} `