Integrand size = 9, antiderivative size = 14 \[ \int \left (4 x+\pi x^3\right ) \, dx=2 x^2+\frac {\pi x^4}{4} \]
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Time = 0.00 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \[ \int \left (4 x+\pi x^3\right ) \, dx=\frac {\pi x^4}{4}+2 x^2 \]
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Rubi steps \begin{align*} \text {integral}& = 2 x^2+\frac {\pi x^4}{4} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.00 \[ \int \left (4 x+\pi x^3\right ) \, dx=2 x^2+\frac {\pi x^4}{4} \]
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Time = 0.03 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.93
method | result | size |
gosper | \(\frac {x^{2} \left (\pi \,x^{2}+8\right )}{4}\) | \(13\) |
norman | \(2 x^{2}+\frac {1}{4} \pi \,x^{4}\) | \(13\) |
risch | \(2 x^{2}+\frac {1}{4} \pi \,x^{4}\) | \(13\) |
parallelrisch | \(2 x^{2}+\frac {1}{4} \pi \,x^{4}\) | \(13\) |
parts | \(2 x^{2}+\frac {1}{4} \pi \,x^{4}\) | \(13\) |
default | \(\frac {\left (\pi \,x^{2}+4\right )^{2}}{4 \pi }\) | \(15\) |
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none
Time = 0.21 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.86 \[ \int \left (4 x+\pi x^3\right ) \, dx=\frac {1}{4} \, \pi x^{4} + 2 \, x^{2} \]
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Time = 0.02 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.71 \[ \int \left (4 x+\pi x^3\right ) \, dx=\frac {\pi x^{4}}{4} + 2 x^{2} \]
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none
Time = 0.22 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.86 \[ \int \left (4 x+\pi x^3\right ) \, dx=\frac {1}{4} \, \pi x^{4} + 2 \, x^{2} \]
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none
Time = 0.29 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.86 \[ \int \left (4 x+\pi x^3\right ) \, dx=\frac {1}{4} \, \pi x^{4} + 2 \, x^{2} \]
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Time = 0.03 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.86 \[ \int \left (4 x+\pi x^3\right ) \, dx=\frac {\Pi \,x^4}{4}+2\,x^2 \]
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