nth root of a positive real number

Formula

nth root of a positive real number formula
r
nth positive root of x
x
a positive real number
n
a number

Formula description

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.

Calculator (how to use calculator?)

nth root of a positive real number formula
x
n
r
Precision

Formula code

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References

  1. wikipedia:N_th root algorithm.
  2. wikipedia: nth root.

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