Evaluate
20\sqrt{5}\approx 44.72135955
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\sqrt{125\times 2^{4}}
Calculate 5 to the power of 3 and get 125.
\sqrt{125\times 16}
Calculate 2 to the power of 4 and get 16.
\sqrt{2000}
Multiply 125 and 16 to get 2000.
20\sqrt{5}
Factor 2000=20^{2}\times 5. Rewrite the square root of the product \sqrt{20^{2}\times 5} as the product of square roots \sqrt{20^{2}}\sqrt{5}. Take the square root of 20^{2}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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