Square Root Symbols

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Postulates and theorems

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This is a list of most common square root symbols:

Square Root Symbols
Symbol	Definition	Example
\( \sqrt a\)	square root \(\sqrt a \;\times\; \sqrt a = a\)	\(\sqrt 9= 3\)
\(^3\sqrt a\)	cube root \(^3\sqrt a \;\times\; ^3\sqrt a \;\times\; ^3\sqrt a = a\)	\(^3\sqrt 9 = 2.08008382305\)
\(^4\sqrt a\)	4th root \(^4\sqrt a \;\times\; ^4\sqrt a \;\times\; ^4\sqrt a \;\times\; ^4\sqrt a = a\)	\(^4\sqrt 9 = 1.73205080757\)
\( ^n\sqrt a\)	n-th root	\(n=5\;\), \(\;^n\sqrt 9 = 1.55184557391\)