How we worked it out
Updated as you change the numbers.
- The 2th root of x is the number that, raised to the 2th power, gives x: x^(1/2).
Method and assumptions
The nth root of x is x^(1/n). Odd roots of negative numbers are negative real numbers; even roots of negative numbers are not real. A square root is simplified by taking out the largest square factor.
Questions
What is the square root of 72 in simplest form?
6√2, about 8.4853.
Sources
Method and figures checked on . Every worked answer on this page is covered by an automated test. Found a mistake? Tell us.