Răspuns:
[tex] \sqrt{ {5}^{34} } = {5}^{17} \: numar \: rational[/tex]
[tex] \sqrt{ {4}^{31} } = \sqrt{( {2}^{2})^{31} } = \sqrt{ {2}^{62} } = {2}^{31} \: numar \: rational[/tex]
[tex] \sqrt{ {7}^{52} } = {7}^{26} \: numar \: rational[/tex]
[tex] \sqrt{ {9}^{37} } = \sqrt{( {3}^{2} )^{37} } = \sqrt{ {3}^{74} } = {3}^{37} \: numar \: rational[/tex]
