Evaluate
\sqrt{2}+6\approx 7.414213562
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3\times 2+2\sqrt{2}-\sqrt{2}
The square of \sqrt{2} is 2.
6+2\sqrt{2}-\sqrt{2}
Multiply 3 and 2 to get 6.
6+\sqrt{2}
Combine 2\sqrt{2} and -\sqrt{2} to get \sqrt{2}.
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Limits
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