Question 308835
*[Tex \LARGE \sqrt[3]{21}\sqrt[3]{9}=\sqrt[3]{21\cdot 9}=\sqrt[3]{189}=\sqrt[3]{27\cdot 7}=\sqrt[3]{27}\sqrt[3]{7}=3 \cdot \sqrt[3]{7}]


Answer: *[Tex \LARGE \sqrt[3]{21}\sqrt[3]{9}=3 \cdot \sqrt[3]{7}]