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\frac{11}{3}-\frac{9}{3}\leq -6
Convert 3 to fraction \frac{9}{3}.
\frac{11-9}{3}\leq -6
Since \frac{11}{3} and \frac{9}{3} have the same denominator, subtract them by subtracting their numerators.
\frac{2}{3}\leq -6
Subtract 9 from 11 to get 2.
\frac{2}{3}\leq -\frac{18}{3}
Convert -6 to fraction -\frac{18}{3}.
\text{false}
Compare \frac{2}{3} and -\frac{18}{3}.
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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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
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Limits
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