Question

i dont know how to write this so ill try my best. 3with the square root sign under the square root is 72x^8 and i have to simplify it

Answer 1

\[\sqrt[3]{72x^8}\]

Answer 2

\[\sqrt[4]{486x ^{12}y ^{14}}\]

Answer 3

i solved the first one..

Answer 4

\[\sqrt{8\times9 \times x ^{8}}\]
\[\sqrt{8}\times \sqrt{9}\times \sqrt{x ^{6}}\times \sqrt{x ^{2}}\]
Extracting the cube Please note that there should be a tiny 3 in the radical.
\[2x ^{^{2}}\sqrt[3]{9}\times \sqrt[3]{x ^{2}}\]