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Inessa [10]
3 years ago
7

Help please! I don't understand how to do this at all. Please help

Mathematics
1 answer:
Viktor [21]3 years ago
4 0
9. \sqrt[n]{x}
    \sqrt[6]{-64}
    \sqrt[6]{64 * (-1)}
    \sqrt[6]{64}\sqrt[6]{-1}
    2i

10. \sqrt[n]{x}
      \sqrt[3]{128}
      \sqrt[3]{64 * 2}
      \sqrt[3]{64}\sqrt[3]{2}
      4\sqrt[3]{2}

11. \sqrt[n]{x}
      \sqrt[10}{1024}
      2

12. \sqrt[n]{x}
      \sqrt[7]{\frac{8\sqrt{2}}{2187}}
      \frac{\sqrt[7]{8\sqrt{2}}}{\sqrt[7]{2187}}
      \frac{\sqrt[7]{8\sqrt{2}}}{\sqrt[7]{(3)^{7}}}
      \frac{\sqrt[7]{8\sqrt{2}}}{3}
      
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