Evaluate
\frac{\sqrt{357}}{17}\approx 1.11143786
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\frac{\sqrt{21}\sqrt{17}}{\left(\sqrt{17}\right)^{2}}
Rationalize the denominator of \frac{\sqrt{21}}{\sqrt{17}} by multiplying numerator and denominator by \sqrt{17}.
\frac{\sqrt{21}\sqrt{17}}{17}
The square of \sqrt{17} is 17.
\frac{\sqrt{357}}{17}
To multiply \sqrt{21} and \sqrt{17}, multiply the numbers under the square root.
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