Evaluate
\frac{\sqrt{17}}{17}\approx 0.242535625
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\frac{1}{\sqrt{17}}
Subtract 3 from 20 to get 17.
\frac{\sqrt{17}}{\left(\sqrt{17}\right)^{2}}
Rationalize the denominator of \frac{1}{\sqrt{17}} by multiplying numerator and denominator by \sqrt{17}.
\frac{\sqrt{17}}{17}
The square of \sqrt{17} is 17.
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