Evaluate
\frac{1}{11}\approx 0.090909091
Factor
\frac{1}{11} = 0.09090909090909091
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\frac{1}{\sqrt{85+36}}
Add 4 and 81 to get 85.
\frac{1}{\sqrt{121}}
Add 85 and 36 to get 121.
\frac{1}{11}
Calculate the square root of 121 and get 11.
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