Integrand size = 21, antiderivative size = 323 \[ \int x^2 \left (d+e x^2\right ) (a+b \arctan (c x))^2 \, dx=\frac {b^2 d x}{3 c^2}-\frac {3 b^2 e x}{10 c^4}+\frac {b^2 e x^3}{30 c^2}-\frac {b^2 d \arctan (c x)}{3 c^3}+\frac {3 b^2 e \arctan (c x)}{10 c^5}-\frac {b d x^2 (a+b \arctan (c x))}{3 c}+\frac {b e x^2 (a+b \arctan (c x))}{5 c^3}-\frac {b e x^4 (a+b \arctan (c x))}{10 c}-\frac {i d (a+b \arctan (c x))^2}{3 c^3}+\frac {i e (a+b \arctan (c x))^2}{5 c^5}+\frac {1}{3} d x^3 (a+b \arctan (c x))^2+\frac {1}{5} e x^5 (a+b \arctan (c x))^2-\frac {2 b d (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{3 c^3}+\frac {2 b e (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{5 c^5}-\frac {i b^2 d \operatorname {PolyLog}\left (2,1-\frac {2}{1+i c x}\right )}{3 c^3}+\frac {i b^2 e \operatorname {PolyLog}\left (2,1-\frac {2}{1+i c x}\right )}{5 c^5} \]
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Time = 0.42 (sec) , antiderivative size = 323, normalized size of antiderivative = 1.00, number of steps used = 25, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.476, Rules used = {5100, 4946, 5036, 327, 209, 5040, 4964, 2449, 2352, 308} \[ \int x^2 \left (d+e x^2\right ) (a+b \arctan (c x))^2 \, dx=\frac {i e (a+b \arctan (c x))^2}{5 c^5}+\frac {2 b e \log \left (\frac {2}{1+i c x}\right ) (a+b \arctan (c x))}{5 c^5}-\frac {i d (a+b \arctan (c x))^2}{3 c^3}-\frac {2 b d \log \left (\frac {2}{1+i c x}\right ) (a+b \arctan (c x))}{3 c^3}+\frac {b e x^2 (a+b \arctan (c x))}{5 c^3}+\frac {1}{3} d x^3 (a+b \arctan (c x))^2-\frac {b d x^2 (a+b \arctan (c x))}{3 c}+\frac {1}{5} e x^5 (a+b \arctan (c x))^2-\frac {b e x^4 (a+b \arctan (c x))}{10 c}+\frac {3 b^2 e \arctan (c x)}{10 c^5}-\frac {b^2 d \arctan (c x)}{3 c^3}+\frac {i b^2 e \operatorname {PolyLog}\left (2,1-\frac {2}{i c x+1}\right )}{5 c^5}-\frac {3 b^2 e x}{10 c^4}-\frac {i b^2 d \operatorname {PolyLog}\left (2,1-\frac {2}{i c x+1}\right )}{3 c^3}+\frac {b^2 d x}{3 c^2}+\frac {b^2 e x^3}{30 c^2} \]
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Rule 209
Rule 308
Rule 327
Rule 2352
Rule 2449
Rule 4946
Rule 4964
Rule 5036
Rule 5040
Rule 5100
Rubi steps \begin{align*} \text {integral}& = \int \left (d x^2 (a+b \arctan (c x))^2+e x^4 (a+b \arctan (c x))^2\right ) \, dx \\ & = d \int x^2 (a+b \arctan (c x))^2 \, dx+e \int x^4 (a+b \arctan (c x))^2 \, dx \\ & = \frac {1}{3} d x^3 (a+b \arctan (c x))^2+\frac {1}{5} e x^5 (a+b \arctan (c x))^2-\frac {1}{3} (2 b c d) \int \frac {x^3 (a+b \arctan (c x))}{1+c^2 x^2} \, dx-\frac {1}{5} (2 b c e) \int \frac {x^5 (a+b \arctan (c x))}{1+c^2 x^2} \, dx \\ & = \frac {1}{3} d x^3 (a+b \arctan (c x))^2+\frac {1}{5} e x^5 (a+b \arctan (c x))^2-\frac {(2 b d) \int x (a+b \arctan (c x)) \, dx}{3 c}+\frac {(2 b d) \int \frac {x (a+b \arctan (c x))}{1+c^2 x^2} \, dx}{3 c}-\frac {(2 b e) \int x^3 (a+b \arctan (c x)) \, dx}{5 c}+\frac {(2 b e) \int \frac {x^3 (a+b \arctan (c x))}{1+c^2 x^2} \, dx}{5 c} \\ & = -\frac {b d x^2 (a+b \arctan (c x))}{3 c}-\frac {b e x^4 (a+b \arctan (c x))}{10 c}-\frac {i d (a+b \arctan (c x))^2}{3 c^3}+\frac {1}{3} d x^3 (a+b \arctan (c x))^2+\frac {1}{5} e x^5 (a+b \arctan (c x))^2+\frac {1}{3} \left (b^2 d\right ) \int \frac {x^2}{1+c^2 x^2} \, dx-\frac {(2 b d) \int \frac {a+b \arctan (c x)}{i-c x} \, dx}{3 c^2}+\frac {1}{10} \left (b^2 e\right ) \int \frac {x^4}{1+c^2 x^2} \, dx+\frac {(2 b e) \int x (a+b \arctan (c x)) \, dx}{5 c^3}-\frac {(2 b e) \int \frac {x (a+b \arctan (c x))}{1+c^2 x^2} \, dx}{5 c^3} \\ & = \frac {b^2 d x}{3 c^2}-\frac {b d x^2 (a+b \arctan (c x))}{3 c}+\frac {b e x^2 (a+b \arctan (c x))}{5 c^3}-\frac {b e x^4 (a+b \arctan (c x))}{10 c}-\frac {i d (a+b \arctan (c x))^2}{3 c^3}+\frac {i e (a+b \arctan (c x))^2}{5 c^5}+\frac {1}{3} d x^3 (a+b \arctan (c x))^2+\frac {1}{5} e x^5 (a+b \arctan (c x))^2-\frac {2 b d (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{3 c^3}-\frac {\left (b^2 d\right ) \int \frac {1}{1+c^2 x^2} \, dx}{3 c^2}+\frac {\left (2 b^2 d\right ) \int \frac {\log \left (\frac {2}{1+i c x}\right )}{1+c^2 x^2} \, dx}{3 c^2}+\frac {1}{10} \left (b^2 e\right ) \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 {(2 b e) \int \frac {a+b \arctan (c x)}{i-c x} \, dx}{5 c^4}-\frac {\left (b^2 e\right ) \int \frac {x^2}{1+c^2 x^2} \, dx}{5 c^2} \\ & = \frac {b^2 d x}{3 c^2}-\frac {3 b^2 e x}{10 c^4}+\frac {b^2 e x^3}{30 c^2}-\frac {b^2 d \arctan (c x)}{3 c^3}-\frac {b d x^2 (a+b \arctan (c x))}{3 c}+\frac {b e x^2 (a+b \arctan (c x))}{5 c^3}-\frac {b e x^4 (a+b \arctan (c x))}{10 c}-\frac {i d (a+b \arctan (c x))^2}{3 c^3}+\frac {i e (a+b \arctan (c x))^2}{5 c^5}+\frac {1}{3} d x^3 (a+b \arctan (c x))^2+\frac {1}{5} e x^5 (a+b \arctan (c x))^2-\frac {2 b d (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{3 c^3}+\frac {2 b e (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{5 c^5}-\frac {\left (2 i b^2 d\right ) \text {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1+i c x}\right )}{3 c^3}+\frac {\left (b^2 e\right ) \int \frac {1}{1+c^2 x^2} \, dx}{10 c^4}+\frac {\left (b^2 e\right ) \int \frac {1}{1+c^2 x^2} \, dx}{5 c^4}-\frac {\left (2 b^2 e\right ) \int \frac {\log \left (\frac {2}{1+i c x}\right )}{1+c^2 x^2} \, dx}{5 c^4} \\ & = \frac {b^2 d x}{3 c^2}-\frac {3 b^2 e x}{10 c^4}+\frac {b^2 e x^3}{30 c^2}-\frac {b^2 d \arctan (c x)}{3 c^3}+\frac {3 b^2 e \arctan (c x)}{10 c^5}-\frac {b d x^2 (a+b \arctan (c x))}{3 c}+\frac {b e x^2 (a+b \arctan (c x))}{5 c^3}-\frac {b e x^4 (a+b \arctan (c x))}{10 c}-\frac {i d (a+b \arctan (c x))^2}{3 c^3}+\frac {i e (a+b \arctan (c x))^2}{5 c^5}+\frac {1}{3} d x^3 (a+b \arctan (c x))^2+\frac {1}{5} e x^5 (a+b \arctan (c x))^2-\frac {2 b d (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{3 c^3}+\frac {2 b e (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{5 c^5}-\frac {i b^2 d \operatorname {PolyLog}\left (2,1-\frac {2}{1+i c x}\right )}{3 c^3}+\frac {\left (2 i b^2 e\right ) \text {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1+i c x}\right )}{5 c^5} \\ & = \frac {b^2 d x}{3 c^2}-\frac {3 b^2 e x}{10 c^4}+\frac {b^2 e x^3}{30 c^2}-\frac {b^2 d \arctan (c x)}{3 c^3}+\frac {3 b^2 e \arctan (c x)}{10 c^5}-\frac {b d x^2 (a+b \arctan (c x))}{3 c}+\frac {b e x^2 (a+b \arctan (c x))}{5 c^3}-\frac {b e x^4 (a+b \arctan (c x))}{10 c}-\frac {i d (a+b \arctan (c x))^2}{3 c^3}+\frac {i e (a+b \arctan (c x))^2}{5 c^5}+\frac {1}{3} d x^3 (a+b \arctan (c x))^2+\frac {1}{5} e x^5 (a+b \arctan (c x))^2-\frac {2 b d (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{3 c^3}+\frac {2 b e (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{5 c^5}-\frac {i b^2 d \operatorname {PolyLog}\left (2,1-\frac {2}{1+i c x}\right )}{3 c^3}+\frac {i b^2 e \operatorname {PolyLog}\left (2,1-\frac {2}{1+i c x}\right )}{5 c^5} \\ \end{align*}
Time = 0.69 (sec) , antiderivative size = 287, normalized size of antiderivative = 0.89 \[ \int x^2 \left (d+e x^2\right ) (a+b \arctan (c x))^2 \, dx=\frac {9 a b e+10 b^2 c^3 d x-9 b^2 c e x-10 a b c^4 d x^2+6 a b c^2 e x^2+10 a^2 c^5 d x^3+b^2 c^3 e x^3-3 a b c^4 e x^4+6 a^2 c^5 e x^5+2 b^2 \left (5 i c^2 d-3 i e+c^5 \left (5 d x^3+3 e x^5\right )\right ) \arctan (c x)^2-b \arctan (c x) \left (-4 a c^5 x^3 \left (5 d+3 e x^2\right )+b \left (1+c^2 x^2\right ) \left (-9 e+c^2 \left (10 d+3 e x^2\right )\right )+4 b \left (5 c^2 d-3 e\right ) \log \left (1+e^{2 i \arctan (c x)}\right )\right )+10 a b c^2 d \log \left (1+c^2 x^2\right )-6 a b e \log \left (1+c^2 x^2\right )+2 i b^2 \left (5 c^2 d-3 e\right ) \operatorname {PolyLog}\left (2,-e^{2 i \arctan (c x)}\right )}{30 c^5} \]
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Time = 0.70 (sec) , antiderivative size = 406, normalized size of antiderivative = 1.26
method | result | size |
parts | \(a^{2} \left (\frac {1}{5} e \,x^{5}+\frac {1}{3} d \,x^{3}\right )+\frac {b^{2} \left (\frac {\arctan \left (c x \right )^{2} c^{3} e \,x^{5}}{5}+\frac {\arctan \left (c x \right )^{2} d \,c^{3} x^{3}}{3}-\frac {2 \left (\frac {5 \arctan \left (c x \right ) c^{4} d \,x^{2}}{2}+\frac {3 \arctan \left (c x \right ) c^{4} e \,x^{4}}{4}-\frac {3 \arctan \left (c x \right ) e \,c^{2} x^{2}}{2}-\frac {5 \arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) c^{2} d}{2}+\frac {3 \arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) e}{2}-\frac {e \,c^{3} x^{3}}{4}-\frac {5 c^{3} x d}{2}+\frac {9 e c x}{4}-\frac {\left (-10 c^{2} d +9 e \right ) \arctan \left (c x \right )}{4}-\frac {\left (-10 c^{2} d +6 e \right ) \left (-\frac {i \left (\ln \left (c x -i\right ) \ln \left (c^{2} x^{2}+1\right )-\frac {\ln \left (c x -i\right )^{2}}{2}-\operatorname {dilog}\left (-\frac {i \left (c x +i\right )}{2}\right )-\ln \left (c x -i\right ) \ln \left (-\frac {i \left (c x +i\right )}{2}\right )\right )}{2}+\frac {i \left (\ln \left (c x +i\right ) \ln \left (c^{2} x^{2}+1\right )-\frac {\ln \left (c x +i\right )^{2}}{2}-\operatorname {dilog}\left (\frac {i \left (c x -i\right )}{2}\right )-\ln \left (c x +i\right ) \ln \left (\frac {i \left (c x -i\right )}{2}\right )\right )}{2}\right )}{4}\right )}{15 c^{2}}\right )}{c^{3}}+\frac {2 a b \left (\frac {c^{3} \arctan \left (c x \right ) e \,x^{5}}{5}+\frac {\arctan \left (c x \right ) d \,c^{3} x^{3}}{3}-\frac {\frac {5 d \,c^{4} x^{2}}{2}+\frac {3 e \,c^{4} x^{4}}{4}-\frac {3 e \,c^{2} x^{2}}{2}+\frac {\left (-5 c^{2} d +3 e \right ) \ln \left (c^{2} x^{2}+1\right )}{2}}{15 c^{2}}\right )}{c^{3}}\) | \(406\) |
derivativedivides | \(\frac {\frac {a^{2} \left (\frac {1}{3} d \,c^{5} x^{3}+\frac {1}{5} e \,c^{5} x^{5}\right )}{c^{2}}+\frac {b^{2} \left (\frac {\arctan \left (c x \right )^{2} d \,c^{5} x^{3}}{3}+\frac {\arctan \left (c x \right )^{2} e \,c^{5} x^{5}}{5}-\frac {\arctan \left (c x \right ) c^{4} d \,x^{2}}{3}-\frac {\arctan \left (c x \right ) c^{4} e \,x^{4}}{10}+\frac {\arctan \left (c x \right ) e \,c^{2} x^{2}}{5}+\frac {\arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) c^{2} d}{3}-\frac {\arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) e}{5}+\frac {c^{3} x d}{3}+\frac {e \,c^{3} x^{3}}{30}-\frac {3 e c x}{10}+\frac {\left (-10 c^{2} d +9 e \right ) \arctan \left (c x \right )}{30}+\frac {\left (-10 c^{2} d +6 e \right ) \left (-\frac {i \left (\ln \left (c x -i\right ) \ln \left (c^{2} x^{2}+1\right )-\frac {\ln \left (c x -i\right )^{2}}{2}-\operatorname {dilog}\left (-\frac {i \left (c x +i\right )}{2}\right )-\ln \left (c x -i\right ) \ln \left (-\frac {i \left (c x +i\right )}{2}\right )\right )}{2}+\frac {i \left (\ln \left (c x +i\right ) \ln \left (c^{2} x^{2}+1\right )-\frac {\ln \left (c x +i\right )^{2}}{2}-\operatorname {dilog}\left (\frac {i \left (c x -i\right )}{2}\right )-\ln \left (c x +i\right ) \ln \left (\frac {i \left (c x -i\right )}{2}\right )\right )}{2}\right )}{30}\right )}{c^{2}}+\frac {2 a b \left (\frac {\arctan \left (c x \right ) d \,c^{5} x^{3}}{3}+\frac {\arctan \left (c x \right ) e \,c^{5} x^{5}}{5}-\frac {d \,c^{4} x^{2}}{6}-\frac {e \,c^{4} x^{4}}{20}+\frac {e \,c^{2} x^{2}}{10}-\frac {\left (-5 c^{2} d +3 e \right ) \ln \left (c^{2} x^{2}+1\right )}{30}\right )}{c^{2}}}{c^{3}}\) | \(407\) |
default | \(\frac {\frac {a^{2} \left (\frac {1}{3} d \,c^{5} x^{3}+\frac {1}{5} e \,c^{5} x^{5}\right )}{c^{2}}+\frac {b^{2} \left (\frac {\arctan \left (c x \right )^{2} d \,c^{5} x^{3}}{3}+\frac {\arctan \left (c x \right )^{2} e \,c^{5} x^{5}}{5}-\frac {\arctan \left (c x \right ) c^{4} d \,x^{2}}{3}-\frac {\arctan \left (c x \right ) c^{4} e \,x^{4}}{10}+\frac {\arctan \left (c x \right ) e \,c^{2} x^{2}}{5}+\frac {\arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) c^{2} d}{3}-\frac {\arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) e}{5}+\frac {c^{3} x d}{3}+\frac {e \,c^{3} x^{3}}{30}-\frac {3 e c x}{10}+\frac {\left (-10 c^{2} d +9 e \right ) \arctan \left (c x \right )}{30}+\frac {\left (-10 c^{2} d +6 e \right ) \left (-\frac {i \left (\ln \left (c x -i\right ) \ln \left (c^{2} x^{2}+1\right )-\frac {\ln \left (c x -i\right )^{2}}{2}-\operatorname {dilog}\left (-\frac {i \left (c x +i\right )}{2}\right )-\ln \left (c x -i\right ) \ln \left (-\frac {i \left (c x +i\right )}{2}\right )\right )}{2}+\frac {i \left (\ln \left (c x +i\right ) \ln \left (c^{2} x^{2}+1\right )-\frac {\ln \left (c x +i\right )^{2}}{2}-\operatorname {dilog}\left (\frac {i \left (c x -i\right )}{2}\right )-\ln \left (c x +i\right ) \ln \left (\frac {i \left (c x -i\right )}{2}\right )\right )}{2}\right )}{30}\right )}{c^{2}}+\frac {2 a b \left (\frac {\arctan \left (c x \right ) d \,c^{5} x^{3}}{3}+\frac {\arctan \left (c x \right ) e \,c^{5} x^{5}}{5}-\frac {d \,c^{4} x^{2}}{6}-\frac {e \,c^{4} x^{4}}{20}+\frac {e \,c^{2} x^{2}}{10}-\frac {\left (-5 c^{2} d +3 e \right ) \ln \left (c^{2} x^{2}+1\right )}{30}\right )}{c^{2}}}{c^{3}}\) | \(407\) |
risch | \(\frac {i b^{2} e \ln \left (i c x +1\right ) x^{4}}{20 c}-\frac {i e \,b^{2} \ln \left (-i c x +1\right ) x^{4}}{20 c}+\frac {i e \,b^{2} \ln \left (-i c x +1\right ) x^{2}}{10 c^{3}}-\frac {i d \,b^{2} \ln \left (-i c x +1\right ) x^{2}}{6 c}+\frac {i b^{2} e \ln \left (i c x +1\right ) \ln \left (-i c x +1\right )}{10 c^{5}}-\frac {i b^{2} e \ln \left (\frac {1}{2}+\frac {i c x}{2}\right ) \ln \left (-i c x +1\right )}{5 c^{5}}+\frac {i b^{2} e \ln \left (\frac {1}{2}+\frac {i c x}{2}\right ) \ln \left (\frac {1}{2}-\frac {i c x}{2}\right )}{5 c^{5}}-\frac {b^{2} d \ln \left (i c x +1\right )^{2} x^{3}}{12}-\frac {b^{2} e \ln \left (i c x +1\right )^{2} x^{5}}{20}-\frac {e \,b^{2} \ln \left (-i c x +1\right )^{2} x^{5}}{20}-\frac {d \,b^{2} \ln \left (-i c x +1\right )^{2} x^{3}}{12}-\frac {i d \,a^{2}}{3 c^{3}}+\frac {i e \,a^{2}}{5 c^{5}}+\frac {413 i e \,b^{2}}{2250 c^{5}}-\frac {17 i b^{2} d}{54 c^{3}}+\frac {i e b a \ln \left (-i c x +1\right ) x^{5}}{5}+\frac {d \,a^{2} x^{3}}{3}+\frac {e \,a^{2} x^{5}}{5}+\frac {i a b d \ln \left (-i c x +1\right ) x^{3}}{3}-\frac {i b e a \ln \left (i c x +1\right ) x^{5}}{5}-\frac {i b a d \ln \left (i c x +1\right ) x^{3}}{3}-\frac {i b^{2} d \ln \left (i c x +1\right ) \ln \left (-i c x +1\right )}{6 c^{3}}+\frac {i b^{2} d \ln \left (\frac {1}{2}+\frac {i c x}{2}\right ) \ln \left (-i c x +1\right )}{3 c^{3}}-\frac {i b^{2} d \ln \left (\frac {1}{2}+\frac {i c x}{2}\right ) \ln \left (\frac {1}{2}-\frac {i c x}{2}\right )}{3 c^{3}}-\frac {i b^{2} e \ln \left (i c x +1\right ) x^{2}}{10 c^{3}}+\frac {i b^{2} d \ln \left (i c x +1\right ) x^{2}}{6 c}-\frac {3 b^{2} e x}{10 c^{4}}+\frac {b^{2} e \,x^{3}}{30 c^{2}}+\frac {3 b^{2} e \arctan \left (c x \right )}{20 c^{5}}+\frac {b^{2} d x}{3 c^{2}}-\frac {b^{2} d \arctan \left (c x \right )}{6 c^{3}}-\frac {i e \,b^{2} \ln \left (-i c x +1\right )^{2}}{20 c^{5}}+\frac {i d \,b^{2} \ln \left (-i c x +1\right )^{2}}{12 c^{3}}-\frac {i b^{2} d \ln \left (i c x +1\right )^{2}}{12 c^{3}}+\frac {11 i b^{2} d \ln \left (i c x +1\right )}{36 c^{3}}+\frac {i b^{2} e \ln \left (i c x +1\right )^{2}}{20 c^{5}}-\frac {137 i b^{2} e \ln \left (i c x +1\right )}{600 c^{5}}+\frac {b^{2} d \ln \left (i c x +1\right ) \ln \left (-i c x +1\right ) x^{3}}{6}+\frac {b^{2} e \ln \left (i c x +1\right ) \ln \left (-i c x +1\right ) x^{5}}{10}-\frac {b e a \ln \left (c^{2} x^{2}+1\right )}{5 c^{5}}+\frac {b a d \ln \left (c^{2} x^{2}+1\right )}{3 c^{3}}+\frac {i b^{2} e \operatorname {dilog}\left (\frac {1}{2}-\frac {i c x}{2}\right )}{5 c^{5}}-\frac {47 i b^{2} e \ln \left (-i c x +1\right )}{600 c^{5}}+\frac {5 i b^{2} d \ln \left (-i c x +1\right )}{36 c^{3}}-\frac {i b^{2} d \operatorname {dilog}\left (\frac {1}{2}-\frac {i c x}{2}\right )}{3 c^{3}}+\frac {23 i e \,b^{2} \ln \left (c^{2} x^{2}+1\right )}{150 c^{5}}-\frac {2 i b^{2} d \ln \left (c^{2} x^{2}+1\right )}{9 c^{3}}-\frac {11 a b d}{9 c^{3}}+\frac {137 e b a}{150 c^{5}}+\frac {e b a \,x^{2}}{5 c^{3}}-\frac {e b a \,x^{4}}{10 c}-\frac {a b d \,x^{2}}{3 c}\) | \(907\) |
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\[ \int x^2 \left (d+e x^2\right ) (a+b \arctan (c x))^2 \, dx=\int { {\left (e x^{2} + d\right )} {\left (b \arctan \left (c x\right ) + a\right )}^{2} x^{2} \,d x } \]
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\[ \int x^2 \left (d+e x^2\right ) (a+b \arctan (c x))^2 \, dx=\int x^{2} \left (a + b \operatorname {atan}{\left (c x \right )}\right )^{2} \left (d + e x^{2}\right )\, dx \]
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\[ \int x^2 \left (d+e x^2\right ) (a+b \arctan (c x))^2 \, dx=\int { {\left (e x^{2} + d\right )} {\left (b \arctan \left (c x\right ) + a\right )}^{2} x^{2} \,d x } \]
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\[ \int x^2 \left (d+e x^2\right ) (a+b \arctan (c x))^2 \, dx=\int { {\left (e x^{2} + d\right )} {\left (b \arctan \left (c x\right ) + a\right )}^{2} x^{2} \,d x } \]
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Timed out. \[ \int x^2 \left (d+e x^2\right ) (a+b \arctan (c x))^2 \, dx=\int x^2\,{\left (a+b\,\mathrm {atan}\left (c\,x\right )\right )}^2\,\left (e\,x^2+d\right ) \,d x \]
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