Evaluate
\frac{90}{13}\approx 6.923076923
Factor
\frac{2 \cdot 3 ^ {2} \cdot 5}{13} = 6\frac{12}{13} = 6.923076923076923
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\frac{65}{13}+\frac{25}{13}
Convert 5 to fraction \frac{65}{13}.
\frac{65+25}{13}
Since \frac{65}{13} and \frac{25}{13} have the same denominator, add them by adding their numerators.
\frac{90}{13}
Add 65 and 25 to get 90.
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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.
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\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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