Integrand size = 13, antiderivative size = 43 \[ \int \frac {\left (a+b x^4\right )^3}{x^3} \, dx=-\frac {a^3}{2 x^2}+\frac {3}{2} a^2 b x^2+\frac {1}{2} a b^2 x^6+\frac {b^3 x^{10}}{10} \]
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Time = 0.01 (sec) , antiderivative size = 43, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {276} \[ \int \frac {\left (a+b x^4\right )^3}{x^3} \, dx=-\frac {a^3}{2 x^2}+\frac {3}{2} a^2 b x^2+\frac {1}{2} a b^2 x^6+\frac {b^3 x^{10}}{10} \]
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Rule 276
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {a^3}{x^3}+3 a^2 b x+3 a b^2 x^5+b^3 x^9\right ) \, dx \\ & = -\frac {a^3}{2 x^2}+\frac {3}{2} a^2 b x^2+\frac {1}{2} a b^2 x^6+\frac {b^3 x^{10}}{10} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 43, normalized size of antiderivative = 1.00 \[ \int \frac {\left (a+b x^4\right )^3}{x^3} \, dx=-\frac {a^3}{2 x^2}+\frac {3}{2} a^2 b x^2+\frac {1}{2} a b^2 x^6+\frac {b^3 x^{10}}{10} \]
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Time = 3.86 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.84
method | result | size |
default | \(-\frac {a^{3}}{2 x^{2}}+\frac {3 a^{2} b \,x^{2}}{2}+\frac {a \,b^{2} x^{6}}{2}+\frac {b^{3} x^{10}}{10}\) | \(36\) |
risch | \(-\frac {a^{3}}{2 x^{2}}+\frac {3 a^{2} b \,x^{2}}{2}+\frac {a \,b^{2} x^{6}}{2}+\frac {b^{3} x^{10}}{10}\) | \(36\) |
norman | \(\frac {\frac {1}{10} b^{3} x^{12}+\frac {1}{2} a \,b^{2} x^{8}+\frac {3}{2} a^{2} b \,x^{4}-\frac {1}{2} a^{3}}{x^{2}}\) | \(37\) |
parallelrisch | \(\frac {b^{3} x^{12}+5 a \,b^{2} x^{8}+15 a^{2} b \,x^{4}-5 a^{3}}{10 x^{2}}\) | \(37\) |
gosper | \(-\frac {-b^{3} x^{12}-5 a \,b^{2} x^{8}-15 a^{2} b \,x^{4}+5 a^{3}}{10 x^{2}}\) | \(38\) |
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Time = 0.27 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.84 \[ \int \frac {\left (a+b x^4\right )^3}{x^3} \, dx=\frac {b^{3} x^{12} + 5 \, a b^{2} x^{8} + 15 \, a^{2} b x^{4} - 5 \, a^{3}}{10 \, x^{2}} \]
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Time = 0.04 (sec) , antiderivative size = 37, normalized size of antiderivative = 0.86 \[ \int \frac {\left (a+b x^4\right )^3}{x^3} \, dx=- \frac {a^{3}}{2 x^{2}} + \frac {3 a^{2} b x^{2}}{2} + \frac {a b^{2} x^{6}}{2} + \frac {b^{3} x^{10}}{10} \]
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Time = 0.20 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.81 \[ \int \frac {\left (a+b x^4\right )^3}{x^3} \, dx=\frac {1}{10} \, b^{3} x^{10} + \frac {1}{2} \, a b^{2} x^{6} + \frac {3}{2} \, a^{2} b x^{2} - \frac {a^{3}}{2 \, x^{2}} \]
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Time = 0.33 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.81 \[ \int \frac {\left (a+b x^4\right )^3}{x^3} \, dx=\frac {1}{10} \, b^{3} x^{10} + \frac {1}{2} \, a b^{2} x^{6} + \frac {3}{2} \, a^{2} b x^{2} - \frac {a^{3}}{2 \, x^{2}} \]
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Time = 0.05 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.81 \[ \int \frac {\left (a+b x^4\right )^3}{x^3} \, dx=\frac {b^3\,x^{10}}{10}-\frac {a^3}{2\,x^2}+\frac {3\,a^2\,b\,x^2}{2}+\frac {a\,b^2\,x^6}{2} \]
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