Fourth Root
∜
Type it
| Unicode | U+221C | |
|---|---|---|
| LaTeX | \sqrt[4]{x} | |
| HTML entity | ∜ | |
| Character | ∜ |
Meaning
Gives the non-negative number that, raised to the fourth power, equals the number under the sign. It is the same as taking the square root twice. Compare with Square Root and Cube Root.
How to read it
∜16 = 2
is read “the fourth root of sixteen equals two”.