( √2 - 1 )² + ( √2 + 3 )² =

Răspuns :


[tex]2 - 2 \sqrt[]{2} - 1 + 2 + 6 \sqrt[?]{2} + 9 = 12 + 4 \sqrt[?]{2} = 4(3 + \sqrt[?]{2} )[/tex]