Evaluate
7.875
Factor
\frac{7 \cdot 3 ^ {2}}{2 ^ {3}} = 7\frac{7}{8} = 7.875
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\frac{8.75\times 1.8}{2}
Multiply 3.5 and 2.5 to get 8.75.
\frac{15.75}{2}
Multiply 8.75 and 1.8 to get 15.75.
\frac{1575}{200}
Expand \frac{15.75}{2} by multiplying both numerator and the denominator by 100.
\frac{63}{8}
Reduce the fraction \frac{1575}{200} to lowest terms by extracting and canceling out 25.
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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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