9.1)

Regn ut, skriv svaret som potens dersom det er mulig.

a)

${\displaystyle \frac{\sqrt[10]{2^{-3}}\cdot \sqrt[5]{2^3}}{\sqrt[5]{2^4}}}$

b)

${\displaystyle \frac{\sqrt[3]{4^2}\cdot {\left(\sqrt[2]{2^3}\right)}^{-1}}{\sqrt[3]{2}\cdot \sqrt{4}}}$

c)

${\displaystyle \frac{\sqrt[3]{3}}{\sqrt[3]{{\left({\displaystyle \frac{1}{3}}\right)}^2}}}$

9.2)

Regn ut, skriv svaret som potens dersom det er mulig.

a)

${\displaystyle \frac{\sqrt[10]{b^3}\cdot \sqrt[5]{b^{-3}}}{\sqrt[5]{b^{-4}}}}$

b)

${\displaystyle \frac{\sqrt[3]{a^2}\cdot {\left(\sqrt[2]{b^3}\right)}^{-1}}{\sqrt[3]{a}\cdot \sqrt{b}}}$

c)

${\displaystyle \frac{\sqrt[3]{x}}{\sqrt[3]{{\left({\displaystyle \frac{x}{y}}\right)}^2}}}\cdot \sqrt[3]{{\left({\displaystyle \frac{y^2}{x}}\right)}^2}$

Du kan finne fasit her.