Question

(3-$\sqrt{2}$ ) totul la 2 cat imi da? Repede va rog maine am test si fac pregatire

Answer 1

$(3- \sqrt{2} )^2\ \textless \ =\ \textgreater \ 3^2-2*3 \sqrt{2} + \sqrt{2} ^2=\ \textgreater \ 9-6 \sqrt{2} +2=11-6 \sqrt{2}$