Evaluate
\frac{\sqrt{55}}{11}\approx 0.674199862
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\sqrt{\frac{5}{11}}
Add 7 and 4 to get 11.
\frac{\sqrt{5}}{\sqrt{11}}
Rewrite the square root of the division \sqrt{\frac{5}{11}} as the division of square roots \frac{\sqrt{5}}{\sqrt{11}}.
\frac{\sqrt{5}\sqrt{11}}{\left(\sqrt{11}\right)^{2}}
Rationalize the denominator of \frac{\sqrt{5}}{\sqrt{11}} by multiplying numerator and denominator by \sqrt{11}.
\frac{\sqrt{5}\sqrt{11}}{11}
The square of \sqrt{11} is 11.
\frac{\sqrt{55}}{11}
To multiply \sqrt{5} and \sqrt{11}, multiply the numbers under the square root.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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