@Grognor ...that 2^(1/2) x 2^(1/2) = 2^(1/2 + 1/2) = 2^1 = 2. So it has to be the same thing as the square root of 2.
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@Grognor ...that 2^(1/2) x 2^(1/2) = 2^(1/2 + 1/2) = 2^1 = 2. So it has to be the same thing as the square root of 2.