In mathematics, the radical symbol, radical sign, root symbol, or surd is a symbol for the square root or higher-order root of a number. The square root of a number x {\displaystyle x} is written as x , {\displaystyle {\sqrt {x}},} while the n {\displaystyle n} th root of x {\displaystyle x} is written as x n .
In mathematics, the radical symbol, radical sign, root symbol, or surd is a symbol for the square root or higher-order root of a number. The square root of a number x {\displaystyle x} is written as x , {\displaystyle {\sqrt {x}},} while the n {\displaystyle n} th root of x {\displaystyle x} is written as x n .
Source: Wikipedia "Radical symbol" · CC BY-SA 4.0
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