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What FORMULA of "nth ROOT" ? How do to obtain it with just unique formula?

Asked by questionsearcher (9points) October 7th, 2017

I just know that following way (but i want know simplest way):

n = degree of the root

x = value to extracted from degree of the root

^ = signal of exponentiation

“ROOT n of x => x^1/n”

Ex:

ROOT 2 of 4 => 4^(½)

=> 4^0.5

=> 2

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