Integrand size = 26, antiderivative size = 221 \[ \int x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\frac {b (2 d-3 e) x}{8 c^3}-\frac {2 b e x}{3 c^3}-\frac {b (2 d-e) x^3}{24 c}+\frac {b e x^3}{18 c}-\frac {b (2 d-3 e) \arctan (c x)}{8 c^4}+\frac {2 b e \arctan (c x)}{3 c^4}+\frac {e x^2 (a+b \arctan (c x))}{4 c^2}-\frac {1}{8} e x^4 (a+b \arctan (c x))+\frac {b e x \log \left (1+c^2 x^2\right )}{4 c^3}-\frac {b e x^3 \log \left (1+c^2 x^2\right )}{12 c}-\frac {e (a+b \arctan (c x)) \log \left (1+c^2 x^2\right )}{4 c^4}+\frac {1}{4} x^4 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \]
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Time = 0.17 (sec) , antiderivative size = 221, normalized size of antiderivative = 1.00, number of steps used = 14, number of rules used = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.423, Rules used = {2504, 2442, 45, 5139, 470, 327, 209, 2521, 2498, 2505, 308} \[ \int x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\frac {1}{4} x^4 (a+b \arctan (c x)) \left (e \log \left (c^2 x^2+1\right )+d\right )+\frac {e x^2 (a+b \arctan (c x))}{4 c^2}-\frac {e \log \left (c^2 x^2+1\right ) (a+b \arctan (c x))}{4 c^4}-\frac {1}{8} e x^4 (a+b \arctan (c x))-\frac {b (2 d-3 e) \arctan (c x)}{8 c^4}+\frac {2 b e \arctan (c x)}{3 c^4}+\frac {b x (2 d-3 e)}{8 c^3}-\frac {2 b e x}{3 c^3}-\frac {b e x^3 \log \left (c^2 x^2+1\right )}{12 c}+\frac {b e x \log \left (c^2 x^2+1\right )}{4 c^3}-\frac {b x^3 (2 d-e)}{24 c}+\frac {b e x^3}{18 c} \]
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Rule 45
Rule 209
Rule 308
Rule 327
Rule 470
Rule 2442
Rule 2498
Rule 2504
Rule 2505
Rule 2521
Rule 5139
Rubi steps \begin{align*} \text {integral}& = \frac {e x^2 (a+b \arctan (c x))}{4 c^2}-\frac {1}{8} e x^4 (a+b \arctan (c x))-\frac {e (a+b \arctan (c x)) \log \left (1+c^2 x^2\right )}{4 c^4}+\frac {1}{4} x^4 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )-(b c) \int \left (\frac {x^2 \left (2 e+c^2 (2 d-e) x^2\right )}{8 c^2 \left (1+c^2 x^2\right )}+\frac {e \left (-1+c^2 x^2\right ) \log \left (1+c^2 x^2\right )}{4 c^4}\right ) \, dx \\ & = \frac {e x^2 (a+b \arctan (c x))}{4 c^2}-\frac {1}{8} e x^4 (a+b \arctan (c x))-\frac {e (a+b \arctan (c x)) \log \left (1+c^2 x^2\right )}{4 c^4}+\frac {1}{4} x^4 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )-\frac {b \int \frac {x^2 \left (2 e+c^2 (2 d-e) x^2\right )}{1+c^2 x^2} \, dx}{8 c}-\frac {(b e) \int \left (-1+c^2 x^2\right ) \log \left (1+c^2 x^2\right ) \, dx}{4 c^3} \\ & = -\frac {b (2 d-e) x^3}{24 c}+\frac {e x^2 (a+b \arctan (c x))}{4 c^2}-\frac {1}{8} e x^4 (a+b \arctan (c x))-\frac {e (a+b \arctan (c x)) \log \left (1+c^2 x^2\right )}{4 c^4}+\frac {1}{4} x^4 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )+\frac {(b (2 d-3 e)) \int \frac {x^2}{1+c^2 x^2} \, dx}{8 c}-\frac {(b e) \int \left (-\log \left (1+c^2 x^2\right )+c^2 x^2 \log \left (1+c^2 x^2\right )\right ) \, dx}{4 c^3} \\ & = \frac {b (2 d-3 e) x}{8 c^3}-\frac {b (2 d-e) x^3}{24 c}+\frac {e x^2 (a+b \arctan (c x))}{4 c^2}-\frac {1}{8} e x^4 (a+b \arctan (c x))-\frac {e (a+b \arctan (c x)) \log \left (1+c^2 x^2\right )}{4 c^4}+\frac {1}{4} x^4 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )-\frac {(b (2 d-3 e)) \int \frac {1}{1+c^2 x^2} \, dx}{8 c^3}+\frac {(b e) \int \log \left (1+c^2 x^2\right ) \, dx}{4 c^3}-\frac {(b e) \int x^2 \log \left (1+c^2 x^2\right ) \, dx}{4 c} \\ & = \frac {b (2 d-3 e) x}{8 c^3}-\frac {b (2 d-e) x^3}{24 c}-\frac {b (2 d-3 e) \arctan (c x)}{8 c^4}+\frac {e x^2 (a+b \arctan (c x))}{4 c^2}-\frac {1}{8} e x^4 (a+b \arctan (c x))+\frac {b e x \log \left (1+c^2 x^2\right )}{4 c^3}-\frac {b e x^3 \log \left (1+c^2 x^2\right )}{12 c}-\frac {e (a+b \arctan (c x)) \log \left (1+c^2 x^2\right )}{4 c^4}+\frac {1}{4} x^4 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )-\frac {(b e) \int \frac {x^2}{1+c^2 x^2} \, dx}{2 c}+\frac {1}{6} (b c e) \int \frac {x^4}{1+c^2 x^2} \, dx \\ & = \frac {b (2 d-3 e) x}{8 c^3}-\frac {b e x}{2 c^3}-\frac {b (2 d-e) x^3}{24 c}-\frac {b (2 d-3 e) \arctan (c x)}{8 c^4}+\frac {e x^2 (a+b \arctan (c x))}{4 c^2}-\frac {1}{8} e x^4 (a+b \arctan (c x))+\frac {b e x \log \left (1+c^2 x^2\right )}{4 c^3}-\frac {b e x^3 \log \left (1+c^2 x^2\right )}{12 c}-\frac {e (a+b \arctan (c x)) \log \left (1+c^2 x^2\right )}{4 c^4}+\frac {1}{4} x^4 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )+\frac {(b e) \int \frac {1}{1+c^2 x^2} \, dx}{2 c^3}+\frac {1}{6} (b c e) \int \left (-\frac {1}{c^4}+\frac {x^2}{c^2}+\frac {1}{c^4 \left (1+c^2 x^2\right )}\right ) \, dx \\ & = \frac {b (2 d-3 e) x}{8 c^3}-\frac {2 b e x}{3 c^3}-\frac {b (2 d-e) x^3}{24 c}+\frac {b e x^3}{18 c}-\frac {b (2 d-3 e) \arctan (c x)}{8 c^4}+\frac {b e \arctan (c x)}{2 c^4}+\frac {e x^2 (a+b \arctan (c x))}{4 c^2}-\frac {1}{8} e x^4 (a+b \arctan (c x))+\frac {b e x \log \left (1+c^2 x^2\right )}{4 c^3}-\frac {b e x^3 \log \left (1+c^2 x^2\right )}{12 c}-\frac {e (a+b \arctan (c x)) \log \left (1+c^2 x^2\right )}{4 c^4}+\frac {1}{4} x^4 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )+\frac {(b e) \int \frac {1}{1+c^2 x^2} \, dx}{6 c^3} \\ & = \frac {b (2 d-3 e) x}{8 c^3}-\frac {2 b e x}{3 c^3}-\frac {b (2 d-e) x^3}{24 c}+\frac {b e x^3}{18 c}-\frac {b (2 d-3 e) \arctan (c x)}{8 c^4}+\frac {2 b e \arctan (c x)}{3 c^4}+\frac {e x^2 (a+b \arctan (c x))}{4 c^2}-\frac {1}{8} e x^4 (a+b \arctan (c x))+\frac {b e x \log \left (1+c^2 x^2\right )}{4 c^3}-\frac {b e x^3 \log \left (1+c^2 x^2\right )}{12 c}-\frac {e (a+b \arctan (c x)) \log \left (1+c^2 x^2\right )}{4 c^4}+\frac {1}{4} x^4 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \\ \end{align*}
Time = 0.10 (sec) , antiderivative size = 164, normalized size of antiderivative = 0.74 \[ \int x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\frac {c x \left (18 a c^3 d x^3-6 b d \left (-3+c^2 x^2\right )-9 a c e x \left (-2+c^2 x^2\right )+b e \left (-75+7 c^2 x^2\right )\right )-6 e \left (b c x \left (-3+c^2 x^2\right )+a \left (3-3 c^4 x^4\right )\right ) \log \left (1+c^2 x^2\right )+3 b \arctan (c x) \left (e \left (25+6 c^2 x^2-3 c^4 x^4\right )+6 d \left (-1+c^4 x^4\right )+6 e \left (-1+c^4 x^4\right ) \log \left (1+c^2 x^2\right )\right )}{72 c^4} \]
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Time = 1.67 (sec) , antiderivative size = 243, normalized size of antiderivative = 1.10
method | result | size |
parallelrisch | \(\frac {18 e b \ln \left (c^{2} x^{2}+1\right ) \arctan \left (c x \right ) x^{4} c^{4}+18 x^{4} \arctan \left (c x \right ) b \,c^{4} d -9 x^{4} \arctan \left (c x \right ) b \,c^{4} e +18 e a \ln \left (c^{2} x^{2}+1\right ) x^{4} c^{4}+18 c^{4} a d \,x^{4}-9 x^{4} a \,c^{4} e -6 e b \ln \left (c^{2} x^{2}+1\right ) x^{3} c^{3}-6 b \,c^{3} d \,x^{3}+7 b \,c^{3} e \,x^{3}+18 \arctan \left (c x \right ) b \,c^{2} e \,x^{2}+18 a \,c^{2} e \,x^{2}+18 \ln \left (c^{2} x^{2}+1\right ) b c e x +18 b c d x -75 b c e x -18 \arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) b e -18 \arctan \left (c x \right ) b d +75 e b \arctan \left (c x \right )-18 \ln \left (c^{2} x^{2}+1\right ) a e -18 e a}{72 c^{4}}\) | \(243\) |
default | \(\text {Expression too large to display}\) | \(3752\) |
parts | \(\text {Expression too large to display}\) | \(3752\) |
risch | \(\text {Expression too large to display}\) | \(22188\) |
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Time = 0.27 (sec) , antiderivative size = 178, normalized size of antiderivative = 0.81 \[ \int x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\frac {18 \, a c^{2} e x^{2} + 9 \, {\left (2 \, a c^{4} d - a c^{4} e\right )} x^{4} - {\left (6 \, b c^{3} d - 7 \, b c^{3} e\right )} x^{3} + 3 \, {\left (6 \, b c d - 25 \, b c e\right )} x + 3 \, {\left (6 \, b c^{2} e x^{2} + 3 \, {\left (2 \, b c^{4} d - b c^{4} e\right )} x^{4} - 6 \, b d + 25 \, b e\right )} \arctan \left (c x\right ) + 6 \, {\left (3 \, a c^{4} e x^{4} - b c^{3} e x^{3} + 3 \, b c e x - 3 \, a e + 3 \, {\left (b c^{4} e x^{4} - b e\right )} \arctan \left (c x\right )\right )} \log \left (c^{2} x^{2} + 1\right )}{72 \, c^{4}} \]
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Time = 1.08 (sec) , antiderivative size = 279, normalized size of antiderivative = 1.26 \[ \int x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\begin {cases} \frac {a d x^{4}}{4} + \frac {a e x^{4} \log {\left (c^{2} x^{2} + 1 \right )}}{4} - \frac {a e x^{4}}{8} + \frac {a e x^{2}}{4 c^{2}} - \frac {a e \log {\left (c^{2} x^{2} + 1 \right )}}{4 c^{4}} + \frac {b d x^{4} \operatorname {atan}{\left (c x \right )}}{4} + \frac {b e x^{4} \log {\left (c^{2} x^{2} + 1 \right )} \operatorname {atan}{\left (c x \right )}}{4} - \frac {b e x^{4} \operatorname {atan}{\left (c x \right )}}{8} - \frac {b d x^{3}}{12 c} - \frac {b e x^{3} \log {\left (c^{2} x^{2} + 1 \right )}}{12 c} + \frac {7 b e x^{3}}{72 c} + \frac {b e x^{2} \operatorname {atan}{\left (c x \right )}}{4 c^{2}} + \frac {b d x}{4 c^{3}} + \frac {b e x \log {\left (c^{2} x^{2} + 1 \right )}}{4 c^{3}} - \frac {25 b e x}{24 c^{3}} - \frac {b d \operatorname {atan}{\left (c x \right )}}{4 c^{4}} - \frac {b e \log {\left (c^{2} x^{2} + 1 \right )} \operatorname {atan}{\left (c x \right )}}{4 c^{4}} + \frac {25 b e \operatorname {atan}{\left (c x \right )}}{24 c^{4}} & \text {for}\: c \neq 0 \\\frac {a d x^{4}}{4} & \text {otherwise} \end {cases} \]
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Time = 0.29 (sec) , antiderivative size = 224, normalized size of antiderivative = 1.01 \[ \int x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\frac {1}{4} \, a d x^{4} + \frac {1}{72} \, b c e {\left (\frac {7 \, c^{2} x^{3} - 6 \, {\left (c^{2} x^{3} - 3 \, x\right )} \log \left (c^{2} x^{2} + 1\right ) - 75 \, x}{c^{4}} + \frac {75 \, \arctan \left (c x\right )}{c^{5}}\right )} + \frac {1}{8} \, {\left (2 \, x^{4} \log \left (c^{2} x^{2} + 1\right ) - c^{2} {\left (\frac {c^{2} x^{4} - 2 \, x^{2}}{c^{4}} + \frac {2 \, \log \left (c^{2} x^{2} + 1\right )}{c^{6}}\right )}\right )} b e \arctan \left (c x\right ) + \frac {1}{12} \, {\left (3 \, x^{4} \arctan \left (c x\right ) - c {\left (\frac {c^{2} x^{3} - 3 \, x}{c^{4}} + \frac {3 \, \arctan \left (c x\right )}{c^{5}}\right )}\right )} b d + \frac {1}{8} \, {\left (2 \, x^{4} \log \left (c^{2} x^{2} + 1\right ) - c^{2} {\left (\frac {c^{2} x^{4} - 2 \, x^{2}}{c^{4}} + \frac {2 \, \log \left (c^{2} x^{2} + 1\right )}{c^{6}}\right )}\right )} a e \]
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\[ \int x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\int { {\left (b \arctan \left (c x\right ) + a\right )} {\left (e \log \left (c^{2} x^{2} + 1\right ) + d\right )} x^{3} \,d x } \]
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Time = 1.94 (sec) , antiderivative size = 297, normalized size of antiderivative = 1.34 \[ \int x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\frac {a\,d\,x^4}{4}-\frac {a\,e\,x^4}{8}+\frac {b\,d\,x}{4\,c^3}-\frac {25\,b\,e\,x}{24\,c^3}+\frac {b\,d\,x^4\,\mathrm {atan}\left (c\,x\right )}{4}-\frac {b\,e\,x^4\,\mathrm {atan}\left (c\,x\right )}{8}-\frac {a\,e\,\ln \left (c^2\,x^2+1\right )}{4\,c^4}+\frac {a\,e\,x^2}{4\,c^2}-\frac {b\,d\,x^3}{12\,c}-\frac {b\,d\,\mathrm {atan}\left (\frac {6\,b\,c\,d\,x}{6\,b\,d-25\,b\,e}-\frac {25\,b\,c\,e\,x}{6\,b\,d-25\,b\,e}\right )}{4\,c^4}+\frac {7\,b\,e\,x^3}{72\,c}+\frac {25\,b\,e\,\mathrm {atan}\left (\frac {6\,b\,c\,d\,x}{6\,b\,d-25\,b\,e}-\frac {25\,b\,c\,e\,x}{6\,b\,d-25\,b\,e}\right )}{24\,c^4}+\frac {a\,e\,x^4\,\ln \left (c^2\,x^2+1\right )}{4}+\frac {b\,e\,x\,\ln \left (c^2\,x^2+1\right )}{4\,c^3}-\frac {b\,e\,\mathrm {atan}\left (c\,x\right )\,\ln \left (c^2\,x^2+1\right )}{4\,c^4}+\frac {b\,e\,x^2\,\mathrm {atan}\left (c\,x\right )}{4\,c^2}+\frac {b\,e\,x^4\,\mathrm {atan}\left (c\,x\right )\,\ln \left (c^2\,x^2+1\right )}{4}-\frac {b\,e\,x^3\,\ln \left (c^2\,x^2+1\right )}{12\,c} \]
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