Evaluate
\frac{51}{8}=6.375
Factor
\frac{3 \cdot 17}{2 ^ {3}} = 6\frac{3}{8} = 6.375
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\frac{2+1}{2}\left(\frac{2\times 4+3}{4}+\frac{6}{4}\right)
Multiply 1 and 2 to get 2.
\frac{3}{2}\left(\frac{2\times 4+3}{4}+\frac{6}{4}\right)
Add 2 and 1 to get 3.
\frac{3}{2}\left(\frac{8+3}{4}+\frac{6}{4}\right)
Multiply 2 and 4 to get 8.
\frac{3}{2}\left(\frac{11}{4}+\frac{6}{4}\right)
Add 8 and 3 to get 11.
\frac{3}{2}\times \frac{11+6}{4}
Since \frac{11}{4} and \frac{6}{4} have the same denominator, add them by adding their numerators.
\frac{3}{2}\times \frac{17}{4}
Add 11 and 6 to get 17.
\frac{3\times 17}{2\times 4}
Multiply \frac{3}{2} times \frac{17}{4} by multiplying numerator times numerator and denominator times denominator.
\frac{51}{8}
Do the multiplications in the fraction \frac{3\times 17}{2\times 4}.
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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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}