Evaluate
\frac{65}{36}\approx 1.805555556
Factor
\frac{5 \cdot 13}{2 ^ {2} \cdot 3 ^ {2}} = 1\frac{29}{36} = 1.8055555555555556
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\frac{66-1}{11^{2}-2\times 11-63}
Multiply 6 and 11 to get 66.
\frac{65}{11^{2}-2\times 11-63}
Subtract 1 from 66 to get 65.
\frac{65}{121-2\times 11-63}
Calculate 11 to the power of 2 and get 121.
\frac{65}{121-22-63}
Multiply 2 and 11 to get 22.
\frac{65}{99-63}
Subtract 22 from 121 to get 99.
\frac{65}{36}
Subtract 63 from 99 to get 36.
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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}