Question

Por favor me ajudem
a)⁴√7¹³=

b)[3⁷÷(3⁵.3²)⁴]-²=

Answer 1

Resposta:

$a) \sqrt[4]{7^{13}} = \sqrt[4]{7^{4} + 7^4 + 7^4 + 7 } = 7*3*\sqrt{7} = 21\sqrt{7}\\\\b) (\frac{3^7}{(3^5*3^2)^4})^{-2} = (\frac{3^{28}}{3^7})^2 = \frac{3^{56}}{3^{14}}$