Integrand size = 17, antiderivative size = 19 \[ \int \frac {-4 x^2+\log ^2(2)}{4 x^2} \, dx=-\frac {19}{12}-\frac {\left (x+\frac {\log (2)}{2}\right )^2}{x} \]
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Time = 0.00 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.79, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {12, 14} \[ \int \frac {-4 x^2+\log ^2(2)}{4 x^2} \, dx=-x-\frac {\log ^2(2)}{4 x} \]
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Rule 12
Rule 14
Rubi steps \begin{align*} \text {integral}& = \frac {1}{4} \int \frac {-4 x^2+\log ^2(2)}{x^2} \, dx \\ & = \frac {1}{4} \int \left (-4+\frac {\log ^2(2)}{x^2}\right ) \, dx \\ & = -x-\frac {\log ^2(2)}{4 x} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.79 \[ \int \frac {-4 x^2+\log ^2(2)}{4 x^2} \, dx=-x-\frac {\log ^2(2)}{4 x} \]
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Time = 0.10 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.74
method | result | size |
default | \(-x -\frac {\ln \left (2\right )^{2}}{4 x}\) | \(14\) |
risch | \(-x -\frac {\ln \left (2\right )^{2}}{4 x}\) | \(14\) |
gosper | \(-\frac {\ln \left (2\right )^{2}+4 x^{2}}{4 x}\) | \(16\) |
parallelrisch | \(-\frac {\ln \left (2\right )^{2}+4 x^{2}}{4 x}\) | \(16\) |
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Time = 0.22 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.79 \[ \int \frac {-4 x^2+\log ^2(2)}{4 x^2} \, dx=-\frac {4 \, x^{2} + \log \left (2\right )^{2}}{4 \, x} \]
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Time = 0.04 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.53 \[ \int \frac {-4 x^2+\log ^2(2)}{4 x^2} \, dx=- x - \frac {\log {\left (2 \right )}^{2}}{4 x} \]
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Time = 0.21 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.68 \[ \int \frac {-4 x^2+\log ^2(2)}{4 x^2} \, dx=-x - \frac {\log \left (2\right )^{2}}{4 \, x} \]
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Time = 0.26 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.68 \[ \int \frac {-4 x^2+\log ^2(2)}{4 x^2} \, dx=-x - \frac {\log \left (2\right )^{2}}{4 \, x} \]
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Time = 12.85 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.68 \[ \int \frac {-4 x^2+\log ^2(2)}{4 x^2} \, dx=-x-\frac {{\ln \left (2\right )}^2}{4\,x} \]
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