Evaluate
2\sqrt{154}\approx 24.819347292
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\sqrt{625-9}
Calculate 25 to the power of 2 and get 625.
\sqrt{616}
Subtract 9 from 625 to get 616.
2\sqrt{154}
Factor 616=2^{2}\times 154. Rewrite the square root of the product \sqrt{2^{2}\times 154} as the product of square roots \sqrt{2^{2}}\sqrt{154}. Take the square root of 2^{2}.
Examples
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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.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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