Evaluate
8\sqrt{2}\approx 11.313708499
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\frac{64\sqrt{2}}{4\left(\sqrt{2}\right)^{2}}
Rationalize the denominator of \frac{64}{4\sqrt{2}} by multiplying numerator and denominator by \sqrt{2}.
\frac{64\sqrt{2}}{4\times 2}
The square of \sqrt{2} is 2.
8\sqrt{2}
Cancel out 2\times 4 in both numerator and denominator.
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Limits
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