Question

(2-√2)² is rational or irrational​

Answer 1

Answer:

${(2 - 2 \sqrt{2} })^{2} = {2}^{2} - 2(2)(2 \sqrt{2} ) + {2 \sqrt{2} }^{2}$

$= 4 - 8 \sqrt{2} + 16$

$= 20 - 8 \sqrt{2}$

$\small\mathfrak{\underline{\underline{\blue{it \: is \: a \: irrational \: number \: as \: there \: is \: \sqrt{} }}}}$

$\small\mathfrak{\underline{\underline{\red{mark \: as \: brainliest \: also \: follow \: me:-}}}}$

Answer 2

Answer:

Refer the attachment....