Răspuns :
Răspuns:
[tex] \sqrt{2} - 2 \sqrt{2} = ( - \sqrt{2} )[/tex]
[tex]( - \sqrt{2}) ^{2} = 2[/tex]
[tex] \sqrt{3} - 3 \sqrt{3} = ( - 2 \sqrt{3} )[/tex]
[tex]( - 2 \sqrt{3} ) ^{2} = 12[/tex]
[tex] \sqrt{2 + 12} = \sqrt{14} [/tex]
Răspuns:
[tex] \sqrt{2} - 2 \sqrt{2} = ( - \sqrt{2} )[/tex]
[tex]( - \sqrt{2}) ^{2} = 2[/tex]
[tex] \sqrt{3} - 3 \sqrt{3} = ( - 2 \sqrt{3} )[/tex]
[tex]( - 2 \sqrt{3} ) ^{2} = 12[/tex]
[tex] \sqrt{2 + 12} = \sqrt{14} [/tex]