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The square root of 2 squared is 2.
sqrt(22)=2
The square root function and the exponent 2 and opposite function and cancel each other out.
22=4
sqrt(4)=2
=>sqrt(22)=2 What is the (square root of 2) squared - If you take the square root of a number then square it the answer is the number itself, so the answer is 2! What is the square root of (2 squared) - Looking at the question another way, if you take a number and square it, the square root of the resulting answer is the number itself, so the answer is 2! Unless, of course, this is a trick question . . . ivj
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