Evaluate
\frac{11}{2}=5.5
Factor
\frac{11}{2} = 5\frac{1}{2} = 5.5
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7-\sqrt[3]{\frac{3\times 8+3}{8}}
Calculate \sqrt[3]{343} and get 7.
7-\sqrt[3]{\frac{24+3}{8}}
Multiply 3 and 8 to get 24.
7-\sqrt[3]{\frac{27}{8}}
Add 24 and 3 to get 27.
7-\frac{3}{2}
Calculate \sqrt[3]{\frac{27}{8}} and get \frac{3}{2}.
\frac{11}{2}
Subtract \frac{3}{2} from 7 to get \frac{11}{2}.
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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 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}