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scrieti numerele ca puteri cu exponent rational

[tex] \sqrt{5} [/tex]

[tex] \sqrt[3]{ 4^{2} } [/tex]


Răspuns :

[tex] \sqrt[n]{x^m} =x^{ \frac{m}{n} }\\ \sqrt{x} =x^{ \frac{1}{2} }\\ \sqrt[3]{4^2} =4^{ \frac{2}{3} }[/tex]