### Formula

r

nth positive root of x

x

a positive real number

n

a number

r

nth positive root of x

x

a positive real number

n

a number

In mathematics, the nth root of a number x is a number r which, when raised to the power of n, equals x. The principal nth root of a positive real number, is the positive real solution of the the nth power of the root.

x

n

r

Precision

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