On donne m=4-3√2 et n 2+3/2√2 . 1) etudier le signe de m.

Bonsoir Marina991

[tex]16\ \textless \ 18\\\\\sqrt{16}\ \textless \ \sqrt{18}\\\\4\ \textless \ \sqrt{18}\\\\4\ \textless \ \sqrt{9\times2}\\\\4\ \textless \ \sqrt{9}\times\sqrt{2}\\\\4\ \textless \ 3\times\sqrt{2}\\\\4\ \textless \ 3\sqrt{2}[/tex]

[tex]\boxed{4-3\sqrt{2}\ \textless \ 0}[/tex]

[tex]\boxed{m\ \textless \ 0}[/tex]