Integrand size = 13, antiderivative size = 43 \[ \int x^4 \left (a+b x^4\right )^3 \, dx=\frac {a^3 x^5}{5}+\frac {1}{3} a^2 b x^9+\frac {3}{13} a b^2 x^{13}+\frac {b^3 x^{17}}{17} \]
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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} \[ \int x^4 \left (a+b x^4\right )^3 \, dx=\frac {a^3 x^5}{5}+\frac {1}{3} a^2 b x^9+\frac {3}{13} a b^2 x^{13}+\frac {b^3 x^{17}}{17} \]
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Rule 276
Rubi steps \begin{align*} \text {integral}& = \int \left (a^3 x^4+3 a^2 b x^8+3 a b^2 x^{12}+b^3 x^{16}\right ) \, dx \\ & = \frac {a^3 x^5}{5}+\frac {1}{3} a^2 b x^9+\frac {3}{13} a b^2 x^{13}+\frac {b^3 x^{17}}{17} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 43, normalized size of antiderivative = 1.00 \[ \int x^4 \left (a+b x^4\right )^3 \, dx=\frac {a^3 x^5}{5}+\frac {1}{3} a^2 b x^9+\frac {3}{13} a b^2 x^{13}+\frac {b^3 x^{17}}{17} \]
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Time = 3.89 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.84
method | result | size |
gosper | \(\frac {1}{5} a^{3} x^{5}+\frac {1}{3} a^{2} b \,x^{9}+\frac {3}{13} a \,b^{2} x^{13}+\frac {1}{17} b^{3} x^{17}\) | \(36\) |
default | \(\frac {1}{5} a^{3} x^{5}+\frac {1}{3} a^{2} b \,x^{9}+\frac {3}{13} a \,b^{2} x^{13}+\frac {1}{17} b^{3} x^{17}\) | \(36\) |
norman | \(\frac {1}{5} a^{3} x^{5}+\frac {1}{3} a^{2} b \,x^{9}+\frac {3}{13} a \,b^{2} x^{13}+\frac {1}{17} b^{3} x^{17}\) | \(36\) |
risch | \(\frac {1}{5} a^{3} x^{5}+\frac {1}{3} a^{2} b \,x^{9}+\frac {3}{13} a \,b^{2} x^{13}+\frac {1}{17} b^{3} x^{17}\) | \(36\) |
parallelrisch | \(\frac {1}{5} a^{3} x^{5}+\frac {1}{3} a^{2} b \,x^{9}+\frac {3}{13} a \,b^{2} x^{13}+\frac {1}{17} b^{3} x^{17}\) | \(36\) |
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Time = 0.36 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.81 \[ \int x^4 \left (a+b x^4\right )^3 \, dx=\frac {1}{17} \, b^{3} x^{17} + \frac {3}{13} \, a b^{2} x^{13} + \frac {1}{3} \, a^{2} b x^{9} + \frac {1}{5} \, a^{3} x^{5} \]
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Time = 0.02 (sec) , antiderivative size = 37, normalized size of antiderivative = 0.86 \[ \int x^4 \left (a+b x^4\right )^3 \, dx=\frac {a^{3} x^{5}}{5} + \frac {a^{2} b x^{9}}{3} + \frac {3 a b^{2} x^{13}}{13} + \frac {b^{3} x^{17}}{17} \]
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Time = 0.22 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.81 \[ \int x^4 \left (a+b x^4\right )^3 \, dx=\frac {1}{17} \, b^{3} x^{17} + \frac {3}{13} \, a b^{2} x^{13} + \frac {1}{3} \, a^{2} b x^{9} + \frac {1}{5} \, a^{3} x^{5} \]
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Time = 0.35 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.81 \[ \int x^4 \left (a+b x^4\right )^3 \, dx=\frac {1}{17} \, b^{3} x^{17} + \frac {3}{13} \, a b^{2} x^{13} + \frac {1}{3} \, a^{2} b x^{9} + \frac {1}{5} \, a^{3} x^{5} \]
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Time = 0.06 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.81 \[ \int x^4 \left (a+b x^4\right )^3 \, dx=\frac {a^3\,x^5}{5}+\frac {a^2\,b\,x^9}{3}+\frac {3\,a\,b^2\,x^{13}}{13}+\frac {b^3\,x^{17}}{17} \]
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