Evaluate
\frac{\sqrt{11}}{2}-\sqrt{5}\approx -0.577755582
Factor
\frac{\sqrt{11} - 2 \sqrt{5}}{2} = -0.5777555823220899
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\frac{\sqrt{11}}{2}-\frac{2\sqrt{5}}{2}
To add or subtract expressions, expand them to make their denominators the same. Multiply \sqrt{5} times \frac{2}{2}.
\frac{\sqrt{11}-2\sqrt{5}}{2}
Since \frac{\sqrt{11}}{2} and \frac{2\sqrt{5}}{2} have the same denominator, subtract them by subtracting their numerators.
Examples
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Matrix
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Simultaneous equation
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Differentiation
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Integration
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Limits
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