Math
Fourth Root Calculator
Find the fourth root of a number.
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The fourth root of x is the number that, raised to the fourth power, gives x.
The math behind it
⁴√x = x^(1/4), which is also the square root of the square root of x.
Worked Example
⁴√81 = 3, because 3⁴ = 81.Frequently Asked Questions
Why no real fourth root of a negative?
An even root of a negative number is not real.
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