LaTeX How do you get a cube, fourth, fifth root in latex?

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To display cube, fourth, and fifth roots in LaTeX, the syntax \sqrt[n]{x} is used, where "n" represents the root's degree. For example, \sqrt[3]{x} produces the cube root of x. The discussion also touches on finding online references for LaTeX, with a suggestion of a tutorial from TUG as a valuable resource, although the best reference may vary based on individual needs.
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[SOLVED] latex question

How do you get a cube, fourth, fifth root in latex? I mean how do you get a little 3 to appear in the upper left next to the square root sign?
 
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\sqrt[3]{x}
 
BTW, what is the best online reference for latex?
 
ehrenfest said:
BTW, what is the best online reference for latex?

I don't know of the "best"... it really depends on what you are looking for.

This looks pretty good:
http://www.tug.org.in/tutorials.html
 

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