\left. \begin{array} { l } { 900 \div 18 = 50 } \\ { 840 \div 12 = 10 } \end{array} \right.
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50=50\text{ and }\frac{840}{12}=10
Divide 900 by 18 to get 50.
\text{true}\text{ and }\frac{840}{12}=10
Compare 50 and 50.
\text{true}\text{ and }70=10
Divide 840 by 12 to get 70.
\text{true}\text{ and }\text{false}
Compare 70 and 10.
\text{false}
The conjunction of \text{true} and \text{false} is \text{false}.
Examples
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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Matrix
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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 ) }
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Limits
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