Sagot :
[tex] \large\underline{ \bold{ANSWER}}[/tex]
[tex]\longmapsto\sf{\sqrt[2]{\sqrt[3]{x}}=3}[/tex]
[tex]\longmapsto\sf{\sqrt[6]{x}=3}[/tex]
[tex]\longmapsto\sf{(\sqrt[6]{x})^6=3^6}[/tex]
[tex]\longmapsto\sf{(\sqrt[\cancel{6}]{x})^{\cancel{6}}=729}[/tex]
[tex]\longmapsto\boxed{\sf{x=729}}[/tex]
[tex] \large\underline{ \bold{ANSWER}}[/tex]
- [tex]\textrm{The number is 729}[/tex]