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nth Root

The number that must be multiplied times itself n times to equal a given value. The nth root of x is written or . For example, since 25 = 32.

Notes: When n = 2 an nth root is called a square root. Also, if n is even and x is negative, then is nonreal.

 

 

See also

Root rules, radical, radicand

 


  this page updated 19-jul-17
Mathwords: Terms and Formulas from Algebra I to Calculus
written, illustrated, and webmastered by Bruce Simmons
Copyright © 2000 by Bruce Simmons
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