Evaluate
\frac{\sqrt{470}}{47}\approx 0.461265604
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\sqrt{\frac{125}{587.5}}
Multiply 125 and 1 to get 125.
\sqrt{\frac{1250}{5875}}
Expand \frac{125}{587.5} by multiplying both numerator and the denominator by 10.
\sqrt{\frac{10}{47}}
Reduce the fraction \frac{1250}{5875} to lowest terms by extracting and canceling out 125.
\frac{\sqrt{10}}{\sqrt{47}}
Rewrite the square root of the division \sqrt{\frac{10}{47}} as the division of square roots \frac{\sqrt{10}}{\sqrt{47}}.
\frac{\sqrt{10}\sqrt{47}}{\left(\sqrt{47}\right)^{2}}
Rationalize the denominator of \frac{\sqrt{10}}{\sqrt{47}} by multiplying numerator and denominator by \sqrt{47}.
\frac{\sqrt{10}\sqrt{47}}{47}
The square of \sqrt{47} is 47.
\frac{\sqrt{470}}{47}
To multiply \sqrt{10} and \sqrt{47}, 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
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y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}