Integrand size = 9, antiderivative size = 8 \[ \int \frac {4 x^3}{\log ^2(2)} \, dx=\frac {x^4}{\log ^2(2)} \]
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Time = 0.00 (sec) , antiderivative size = 8, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {12, 30} \[ \int \frac {4 x^3}{\log ^2(2)} \, dx=\frac {x^4}{\log ^2(2)} \]
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Rule 12
Rule 30
Rubi steps \begin{align*} \text {integral}& = \frac {4 \int x^3 \, dx}{\log ^2(2)} \\ & = \frac {x^4}{\log ^2(2)} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 8, normalized size of antiderivative = 1.00 \[ \int \frac {4 x^3}{\log ^2(2)} \, dx=\frac {x^4}{\log ^2(2)} \]
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Time = 0.08 (sec) , antiderivative size = 9, normalized size of antiderivative = 1.12
method | result | size |
gosper | \(\frac {x^{4}}{\ln \left (2\right )^{2}}\) | \(9\) |
default | \(\frac {x^{4}}{\ln \left (2\right )^{2}}\) | \(9\) |
norman | \(\frac {x^{4}}{\ln \left (2\right )^{2}}\) | \(9\) |
risch | \(\frac {x^{4}}{\ln \left (2\right )^{2}}\) | \(9\) |
parallelrisch | \(\frac {x^{4}}{\ln \left (2\right )^{2}}\) | \(9\) |
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none
Time = 0.25 (sec) , antiderivative size = 8, normalized size of antiderivative = 1.00 \[ \int \frac {4 x^3}{\log ^2(2)} \, dx=\frac {x^{4}}{\log \left (2\right )^{2}} \]
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Time = 0.02 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.88 \[ \int \frac {4 x^3}{\log ^2(2)} \, dx=\frac {x^{4}}{\log {\left (2 \right )}^{2}} \]
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none
Time = 0.17 (sec) , antiderivative size = 8, normalized size of antiderivative = 1.00 \[ \int \frac {4 x^3}{\log ^2(2)} \, dx=\frac {x^{4}}{\log \left (2\right )^{2}} \]
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none
Time = 0.31 (sec) , antiderivative size = 8, normalized size of antiderivative = 1.00 \[ \int \frac {4 x^3}{\log ^2(2)} \, dx=\frac {x^{4}}{\log \left (2\right )^{2}} \]
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Time = 0.04 (sec) , antiderivative size = 8, normalized size of antiderivative = 1.00 \[ \int \frac {4 x^3}{\log ^2(2)} \, dx=\frac {x^4}{{\ln \left (2\right )}^2} \]
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