Question

sqrt(3+2*sqrt(2))

Answer 1

\[\sqrt{3+2 \sqrt{2}}=\sqrt{1+2+2 \sqrt{2}}=\sqrt{1+(\sqrt{2})^2+2 \sqrt{2}}\]

Answer 2

just notice
\[1+2\sqrt{2}+(\sqrt{2})^2 \]
is a complete square

Answer 3

then what will u get?