quanto e?
a
![\sqrt[3]{81}](https://tex.z-dn.net/?f=+%5Csqrt%5B3%5D%7B81%7D+ "\sqrt[3]{81}")
b
![\sqrt[4]{625}](https://tex.z-dn.net/?f=+%5Csqrt%5B4%5D%7B625%7D+ "\sqrt[4]{625}")
Soluções para a tarefa
Respondido por
1
a) ![\sqrt[3]{81} = \sqrt[3]{3^{4}} = 3 \sqrt[3]{3}](https://tex.z-dn.net/?f=+%5Csqrt%5B3%5D%7B81%7D+%3D++%5Csqrt%5B3%5D%7B3%5E%7B4%7D%7D+%3D+3+%5Csqrt%5B3%5D%7B3%7D+ "\sqrt[3]{81} = \sqrt[3]{3^{4}} = 3 \sqrt[3]{3}")
b)![\sqrt[4]{625} = \sqrt[4]{5^{4}} = 5](https://tex.z-dn.net/?f=+%5Csqrt%5B4%5D%7B625%7D+%3D++%5Csqrt%5B4%5D%7B5%5E%7B4%7D%7D+%3D+5 "\sqrt[4]{625} = \sqrt[4]{5^{4}} = 5")
b)
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