Evaluate
8
Factor
2^{3}
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\frac{17.68}{2.6-0.39}
Multiply 3.4 and 5.2 to get 17.68.
\frac{17.68}{2.21}
Subtract 0.39 from 2.6 to get 2.21.
\frac{1768}{221}
Expand \frac{17.68}{2.21} by multiplying both numerator and the denominator by 100.
8
Divide 1768 by 221 to get 8.
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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