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Why √2 or any number in under root is both negative and positive?
Most Upvoted Answer
Why √2 or any number in under root is both negative and positive?
Because look at examples
square of 2=4
square of -2=4
here square of 2 and -2 both are 4 so root of 4 can be +4 & -4 also.
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Why √2 or any number in under root is both negative and positive?
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