Evaluate
48\sqrt{5}\approx 107.33126292
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2\times 24\sqrt{5}
Combine 20\sqrt{5} and 4\sqrt{5} to get 24\sqrt{5}.
48\sqrt{5}
Multiply 2 and 24 to get 48.
Examples
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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