\(\mathbf{5.}\:\:\) Svedi na potencije s racionalnim eksponentom i izračunaj:
| \(\mathbf{a)}\) | \(\sqrt[4]{\frac{2}{3}a}\cdot \sqrt[6]{\frac{9}{4a}};\) | \(\mathbf{b)}\) | \(\sqrt[3]{a^4b^{-1}}\cdot \sqrt[4]{a^3b^2}\cdot\sqrt[6]{a^{-3}b^5};\) | |||||
| \(\mathbf{c)}\) | \(\sqrt[5]{a^7b^2}\cdot\sqrt{ab^3}:\sqrt[10]{a^{11}b^{-3}};\) | \(\mathbf{d)}\) | \(\sqrt{xy^7}:\sqrt[3]{x^5y}\cdot\sqrt[5]{x^5y};\) | |||||
