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Square root of 21 is equal to...
Know the result of the square root of 21.
Result
Answer:
4.5825756949558
Resolution:
= Square root ( 21 )
= 2√21
= ( 21 ) ^ 1/2
= 4.5825756949558
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Detailed
Definition
What is?
The square root of a real number consists of a potentiation operation with 1/2 as a fixed exponent. Therefore square root is unary, needs only one real number to be used to produce a second that is not always real.
Elements:
The square root elements are known:
- Operation: 21 ^ 1/2;
- base / root: 21;
- exponent: 1/2;
- index: 2;
- operator: ^;
- root: 4.5825756949558.