Evaluate
-\frac{4\sqrt{5}}{25}\approx -0.357770876
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\frac{-4\sqrt{5}}{5\times 5}
Multiply \frac{4}{5} times -\frac{\sqrt{5}}{5} by multiplying numerator times numerator and denominator times denominator.
\frac{-4\sqrt{5}}{25}
Multiply 5 and 5 to get 25.
Examples
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Matrix
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Limits
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