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Why is (1/9)^1/2 is equal to only 1/3 and not - 1/3?
I have a question about a math problem. Why is (1/9)^1/2 equal to only 1/3 and not -1/3?
The square root of (1/9) is equal to 1/3 because when you multiply 1/3 by itself, you get 1/9. The negative square root of (1/9) is -1/3, which is also a valid answer. However, usually the math convention is to take the positive square root in this case.