Evaluate
10\sqrt{3}\approx 17.320508076
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\sqrt{400-10^{2}}
Calculate 20 to the power of 2 and get 400.
\sqrt{400-100}
Calculate 10 to the power of 2 and get 100.
\sqrt{300}
Subtract 100 from 400 to get 300.
10\sqrt{3}
Factor 300=10^{2}\times 3. Rewrite the square root of the product \sqrt{10^{2}\times 3} as the product of square roots \sqrt{10^{2}}\sqrt{3}. Take the square root of 10^{2}.
Examples
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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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