Evaluate
2\left(5\sqrt{5}+10\sqrt{11}+1\right)\approx 90.693175582
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20\sqrt{11}+3\sqrt{5}+7\sqrt{5}+2
Combine 16\sqrt{11} and 4\sqrt{11} to get 20\sqrt{11}.
20\sqrt{11}+10\sqrt{5}+2
Combine 3\sqrt{5} and 7\sqrt{5} to get 10\sqrt{5}.
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 ) }
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Limits
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