Question

The pure surd of $2\sqrt[3]{35}$ is

• A. $\sqrt[4]{410}$
• B. $\sqrt[4]{450}$
• C. $\sqrt[4]{480}$
• D. $\sqrt[4]{4250}$

Answer 1

The correct option is C $\sqrt[4]{480}$

Pure surd of $2\sqrt[3]{35}=\sqrt[3]{32\times 2\times 2\times 5}=\sqrt[3]{340}$