Question

The value of
$\sqrt{3 - 2 \sqrt{2} }$
​

Answer 1

Answer:

$\sf{\sqrt{3-2\sqrt2}}$

$\sf{=\sqrt{1-2\sqrt2+\sqrt2^{2}}}$

$\sf{=\sqrt{(1-\sqrt2)^{2}}}$

$\sf{=1-\sqrt2}$