Evaluate
\frac{82}{49}\approx 1.673469388
Factor
\frac{2 \cdot 41}{7 ^ {2}} = 1\frac{33}{49} = 1.6734693877551021
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\frac{\left(5\times 7+6\right)\times 2}{7\left(3\times 2+1\right)}
Divide \frac{5\times 7+6}{7} by \frac{3\times 2+1}{2} by multiplying \frac{5\times 7+6}{7} by the reciprocal of \frac{3\times 2+1}{2}.
\frac{\left(35+6\right)\times 2}{7\left(3\times 2+1\right)}
Multiply 5 and 7 to get 35.
\frac{41\times 2}{7\left(3\times 2+1\right)}
Add 35 and 6 to get 41.
\frac{82}{7\left(3\times 2+1\right)}
Multiply 41 and 2 to get 82.
\frac{82}{7\left(6+1\right)}
Multiply 3 and 2 to get 6.
\frac{82}{7\times 7}
Add 6 and 1 to get 7.
\frac{82}{49}
Multiply 7 and 7 to get 49.
Examples
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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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}