Evaluate
4
Factor
2^{2}
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\frac{\frac{1+1}{2}}{\frac{1}{4}}
Since \frac{1}{2} and \frac{1}{2} have the same denominator, add them by adding their numerators.
\frac{\frac{2}{2}}{\frac{1}{4}}
Add 1 and 1 to get 2.
\frac{1}{\frac{1}{4}}
Divide 2 by 2 to get 1.
1\times 4
Divide 1 by \frac{1}{4} by multiplying 1 by the reciprocal of \frac{1}{4}.
4
Multiply 1 and 4 to get 4.
Examples
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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
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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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