Evaluate
2\sqrt{2}\approx 2.828427125
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\frac{4}{\sqrt{2}}
Subtract 1 from 1 to get 0.
\frac{4\sqrt{2}}{\left(\sqrt{2}\right)^{2}}
Rationalize the denominator of \frac{4}{\sqrt{2}} by multiplying numerator and denominator by \sqrt{2}.
\frac{4\sqrt{2}}{2}
The square of \sqrt{2} is 2.
2\sqrt{2}
Divide 4\sqrt{2} by 2 to get 2\sqrt{2}.
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