Evaluate
\frac{16\sqrt{5}}{5}\approx 7.155417528
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\frac{16}{5}\sqrt{5}
Combine 4\sqrt{5} and -\frac{4\sqrt{5}}{5} to get \frac{16}{5}\sqrt{5}.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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