Suppose sqrt(2) < 1 and assume that only the positive sqrt is being considered.
Then square both sides of the inequality: 2 < 1 which is a contradiction.
So the supposition is wrong ie sqrt(2) > 1
Of course, there is a sqrt of 2 which is not >1, and that is -1.4142..
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when the number is greater than 1
Yes, if the number is less than 1
You eventually get the answer 1
only if x is greater than 1
1 is less than the square root of 2.