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rez in multimea nr reale: 2^(2x^2 -3-3) = 8

Răspuns :

[tex]2^{2x^2-3-3}=8[/tex]

[tex]2^3=8=\textgreater 2x^2-3-3=3[/tex]

[tex]2x^2=9[/tex]

[tex]x^2=\frac{9}{2}[/tex]

[tex]x=\sqrt{\frac{9}{2}}=\frac{\sqrt9}{\sqrt2}=\frac{3}{\sqrt2}=\frac{3\sqrt2}{2}[/tex]