Integrand size = 19, antiderivative size = 107 \[ \int x^3 \left (d+e x^2\right ) (a+b \arctan (c x)) \, dx=\frac {b \left (3 c^2 d-2 e\right ) x}{12 c^5}-\frac {b \left (3 c^2 d-2 e\right ) x^3}{36 c^3}-\frac {b e x^5}{30 c}-\frac {b \left (3 c^2 d-2 e\right ) \arctan (c x)}{12 c^6}+\frac {1}{4} d x^4 (a+b \arctan (c x))+\frac {1}{6} e x^6 (a+b \arctan (c x)) \]
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Time = 0.06 (sec) , antiderivative size = 107, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.263, Rules used = {14, 5096, 470, 308, 209} \[ \int x^3 \left (d+e x^2\right ) (a+b \arctan (c x)) \, dx=\frac {1}{4} d x^4 (a+b \arctan (c x))+\frac {1}{6} e x^6 (a+b \arctan (c x))-\frac {b \arctan (c x) \left (3 c^2 d-2 e\right )}{12 c^6}+\frac {b x \left (3 c^2 d-2 e\right )}{12 c^5}-\frac {b x^3 \left (3 c^2 d-2 e\right )}{36 c^3}-\frac {b e x^5}{30 c} \]
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Rule 14
Rule 209
Rule 308
Rule 470
Rule 5096
Rubi steps \begin{align*} \text {integral}& = \frac {1}{4} d x^4 (a+b \arctan (c x))+\frac {1}{6} e x^6 (a+b \arctan (c x))-(b c) \int \frac {x^4 \left (3 d+2 e x^2\right )}{12+12 c^2 x^2} \, dx \\ & = -\frac {b e x^5}{30 c}+\frac {1}{4} d x^4 (a+b \arctan (c x))+\frac {1}{6} e x^6 (a+b \arctan (c x))+\left (b c \left (-3 d+\frac {2 e}{c^2}\right )\right ) \int \frac {x^4}{12+12 c^2 x^2} \, dx \\ & = -\frac {b e x^5}{30 c}+\frac {1}{4} d x^4 (a+b \arctan (c x))+\frac {1}{6} e x^6 (a+b \arctan (c x))+\left (b c \left (-3 d+\frac {2 e}{c^2}\right )\right ) \int \left (-\frac {1}{12 c^4}+\frac {x^2}{12 c^2}+\frac {1}{c^4 \left (12+12 c^2 x^2\right )}\right ) \, dx \\ & = \frac {b \left (3 d-\frac {2 e}{c^2}\right ) x}{12 c^3}-\frac {b \left (3 d-\frac {2 e}{c^2}\right ) x^3}{36 c}-\frac {b e x^5}{30 c}+\frac {1}{4} d x^4 (a+b \arctan (c x))+\frac {1}{6} e x^6 (a+b \arctan (c x))+\frac {\left (b \left (-3 d+\frac {2 e}{c^2}\right )\right ) \int \frac {1}{12+12 c^2 x^2} \, dx}{c^3} \\ & = \frac {b \left (3 d-\frac {2 e}{c^2}\right ) x}{12 c^3}-\frac {b \left (3 d-\frac {2 e}{c^2}\right ) x^3}{36 c}-\frac {b e x^5}{30 c}-\frac {b \left (3 d-\frac {2 e}{c^2}\right ) \arctan (c x)}{12 c^4}+\frac {1}{4} d x^4 (a+b \arctan (c x))+\frac {1}{6} e x^6 (a+b \arctan (c x)) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 127, normalized size of antiderivative = 1.19 \[ \int x^3 \left (d+e x^2\right ) (a+b \arctan (c x)) \, dx=\frac {b d x}{4 c^3}-\frac {b e x}{6 c^5}-\frac {b d x^3}{12 c}+\frac {b e x^3}{18 c^3}+\frac {1}{4} a d x^4-\frac {b e x^5}{30 c}+\frac {1}{6} a e x^6-\frac {b d \arctan (c x)}{4 c^4}+\frac {b e \arctan (c x)}{6 c^6}+\frac {1}{4} b d x^4 \arctan (c x)+\frac {1}{6} b e x^6 \arctan (c x) \]
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Time = 0.18 (sec) , antiderivative size = 108, normalized size of antiderivative = 1.01
method | result | size |
parts | \(a \left (\frac {1}{6} e \,x^{6}+\frac {1}{4} d \,x^{4}\right )+\frac {b \left (\frac {c^{4} \arctan \left (c x \right ) e \,x^{6}}{6}+\frac {\arctan \left (c x \right ) d \,c^{4} x^{4}}{4}-\frac {\frac {2 e \,c^{5} x^{5}}{5}+d \,c^{5} x^{3}-\frac {2 e \,c^{3} x^{3}}{3}-3 c^{3} x d +2 e c x +\left (3 c^{2} d -2 e \right ) \arctan \left (c x \right )}{12 c^{2}}\right )}{c^{4}}\) | \(108\) |
derivativedivides | \(\frac {\frac {a \left (\frac {1}{4} d \,c^{6} x^{4}+\frac {1}{6} e \,c^{6} x^{6}\right )}{c^{2}}+\frac {b \left (\frac {\arctan \left (c x \right ) d \,c^{6} x^{4}}{4}+\frac {\arctan \left (c x \right ) e \,c^{6} x^{6}}{6}-\frac {d \,c^{5} x^{3}}{12}-\frac {e \,c^{5} x^{5}}{30}+\frac {c^{3} x d}{4}+\frac {e \,c^{3} x^{3}}{18}-\frac {e c x}{6}-\frac {\left (3 c^{2} d -2 e \right ) \arctan \left (c x \right )}{12}\right )}{c^{2}}}{c^{4}}\) | \(117\) |
default | \(\frac {\frac {a \left (\frac {1}{4} d \,c^{6} x^{4}+\frac {1}{6} e \,c^{6} x^{6}\right )}{c^{2}}+\frac {b \left (\frac {\arctan \left (c x \right ) d \,c^{6} x^{4}}{4}+\frac {\arctan \left (c x \right ) e \,c^{6} x^{6}}{6}-\frac {d \,c^{5} x^{3}}{12}-\frac {e \,c^{5} x^{5}}{30}+\frac {c^{3} x d}{4}+\frac {e \,c^{3} x^{3}}{18}-\frac {e c x}{6}-\frac {\left (3 c^{2} d -2 e \right ) \arctan \left (c x \right )}{12}\right )}{c^{2}}}{c^{4}}\) | \(117\) |
parallelrisch | \(\frac {30 x^{6} \arctan \left (c x \right ) b \,c^{6} e +30 a \,c^{6} e \,x^{6}+45 d b \arctan \left (c x \right ) x^{4} c^{6}-6 b \,c^{5} e \,x^{5}+45 a \,c^{6} d \,x^{4}-15 b \,c^{5} d \,x^{3}+10 b \,c^{3} e \,x^{3}+45 b \,c^{3} d x -45 b \,c^{2} d \arctan \left (c x \right )-30 b c e x +30 e b \arctan \left (c x \right )}{180 c^{6}}\) | \(118\) |
risch | \(-\frac {i b \left (2 e \,x^{6}+3 d \,x^{4}\right ) \ln \left (i c x +1\right )}{24}+\frac {x^{6} e a}{6}+\frac {i b e \,x^{6} \ln \left (-i c x +1\right )}{12}+\frac {x^{4} d a}{4}-\frac {b e \,x^{5}}{30 c}+\frac {i b d \,x^{4} \ln \left (-i c x +1\right )}{8}-\frac {b d \,x^{3}}{12 c}+\frac {b e \,x^{3}}{18 c^{3}}+\frac {b d x}{4 c^{3}}-\frac {b d \arctan \left (c x \right )}{4 c^{4}}-\frac {b e x}{6 c^{5}}+\frac {e b \arctan \left (c x \right )}{6 c^{6}}\) | \(141\) |
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Time = 0.25 (sec) , antiderivative size = 110, normalized size of antiderivative = 1.03 \[ \int x^3 \left (d+e x^2\right ) (a+b \arctan (c x)) \, dx=\frac {30 \, a c^{6} e x^{6} + 45 \, a c^{6} d x^{4} - 6 \, b c^{5} e x^{5} - 5 \, {\left (3 \, b c^{5} d - 2 \, b c^{3} e\right )} x^{3} + 15 \, {\left (3 \, b c^{3} d - 2 \, b c e\right )} x + 15 \, {\left (2 \, b c^{6} e x^{6} + 3 \, b c^{6} d x^{4} - 3 \, b c^{2} d + 2 \, b e\right )} \arctan \left (c x\right )}{180 \, c^{6}} \]
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Time = 0.42 (sec) , antiderivative size = 138, normalized size of antiderivative = 1.29 \[ \int x^3 \left (d+e x^2\right ) (a+b \arctan (c x)) \, dx=\begin {cases} \frac {a d x^{4}}{4} + \frac {a e x^{6}}{6} + \frac {b d x^{4} \operatorname {atan}{\left (c x \right )}}{4} + \frac {b e x^{6} \operatorname {atan}{\left (c x \right )}}{6} - \frac {b d x^{3}}{12 c} - \frac {b e x^{5}}{30 c} + \frac {b d x}{4 c^{3}} + \frac {b e x^{3}}{18 c^{3}} - \frac {b d \operatorname {atan}{\left (c x \right )}}{4 c^{4}} - \frac {b e x}{6 c^{5}} + \frac {b e \operatorname {atan}{\left (c x \right )}}{6 c^{6}} & \text {for}\: c \neq 0 \\a \left (\frac {d x^{4}}{4} + \frac {e x^{6}}{6}\right ) & \text {otherwise} \end {cases} \]
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Time = 0.29 (sec) , antiderivative size = 108, normalized size of antiderivative = 1.01 \[ \int x^3 \left (d+e x^2\right ) (a+b \arctan (c x)) \, dx=\frac {1}{6} \, a e x^{6} + \frac {1}{4} \, a d x^{4} + \frac {1}{12} \, {\left (3 \, x^{4} \arctan \left (c x\right ) - c {\left (\frac {c^{2} x^{3} - 3 \, x}{c^{4}} + \frac {3 \, \arctan \left (c x\right )}{c^{5}}\right )}\right )} b d + \frac {1}{90} \, {\left (15 \, x^{6} \arctan \left (c x\right ) - c {\left (\frac {3 \, c^{4} x^{5} - 5 \, c^{2} x^{3} + 15 \, x}{c^{6}} - \frac {15 \, \arctan \left (c x\right )}{c^{7}}\right )}\right )} b e \]
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\[ \int x^3 \left (d+e x^2\right ) (a+b \arctan (c x)) \, dx=\int { {\left (e x^{2} + d\right )} {\left (b \arctan \left (c x\right ) + a\right )} x^{3} \,d x } \]
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Time = 0.72 (sec) , antiderivative size = 105, normalized size of antiderivative = 0.98 \[ \int x^3 \left (d+e x^2\right ) (a+b \arctan (c x)) \, dx=\frac {a\,d\,x^4}{4}+\frac {a\,e\,x^6}{6}+\frac {b\,d\,x}{4\,c^3}-\frac {b\,e\,x}{6\,c^5}-\frac {b\,d\,\mathrm {atan}\left (c\,x\right )}{4\,c^4}+\frac {b\,e\,\mathrm {atan}\left (c\,x\right )}{6\,c^6}+\frac {b\,d\,x^4\,\mathrm {atan}\left (c\,x\right )}{4}+\frac {b\,e\,x^6\,\mathrm {atan}\left (c\,x\right )}{6}-\frac {b\,d\,x^3}{12\,c}-\frac {b\,e\,x^5}{30\,c}+\frac {b\,e\,x^3}{18\,c^3} \]
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