Integrand size = 23, antiderivative size = 343 \[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))^2}{x^2} \, dx=\frac {b^2 e^2 x}{3 c^2}-\frac {b^2 e^2 \arctan (c x)}{3 c^3}-\frac {b e^2 x^2 (a+b \arctan (c x))}{3 c}-i c d^2 (a+b \arctan (c x))^2+\frac {2 i d e (a+b \arctan (c x))^2}{c}-\frac {i e^2 (a+b \arctan (c x))^2}{3 c^3}-\frac {d^2 (a+b \arctan (c x))^2}{x}+2 d e x (a+b \arctan (c x))^2+\frac {1}{3} e^2 x^3 (a+b \arctan (c x))^2+\frac {4 b d e (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{c}-\frac {2 b e^2 (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{3 c^3}+2 b c d^2 (a+b \arctan (c x)) \log \left (2-\frac {2}{1-i c x}\right )-i b^2 c d^2 \operatorname {PolyLog}\left (2,-1+\frac {2}{1-i c x}\right )+\frac {2 i b^2 d e \operatorname {PolyLog}\left (2,1-\frac {2}{1+i c x}\right )}{c}-\frac {i b^2 e^2 \operatorname {PolyLog}\left (2,1-\frac {2}{1+i c x}\right )}{3 c^3} \]
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Time = 0.41 (sec) , antiderivative size = 343, normalized size of antiderivative = 1.00, number of steps used = 20, number of rules used = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.565, Rules used = {5100, 4930, 5040, 4964, 2449, 2352, 4946, 5044, 4988, 2497, 5036, 327, 209} \[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))^2}{x^2} \, dx=-\frac {i e^2 (a+b \arctan (c x))^2}{3 c^3}-\frac {2 b e^2 \log \left (\frac {2}{1+i c x}\right ) (a+b \arctan (c x))}{3 c^3}-i c d^2 (a+b \arctan (c x))^2-\frac {d^2 (a+b \arctan (c x))^2}{x}+2 b c d^2 \log \left (2-\frac {2}{1-i c x}\right ) (a+b \arctan (c x))+2 d e x (a+b \arctan (c x))^2+\frac {2 i d e (a+b \arctan (c x))^2}{c}+\frac {4 b d e \log \left (\frac {2}{1+i c x}\right ) (a+b \arctan (c x))}{c}+\frac {1}{3} e^2 x^3 (a+b \arctan (c x))^2-\frac {b e^2 x^2 (a+b \arctan (c x))}{3 c}-\frac {b^2 e^2 \arctan (c x)}{3 c^3}-\frac {i b^2 e^2 \operatorname {PolyLog}\left (2,1-\frac {2}{i c x+1}\right )}{3 c^3}+\frac {b^2 e^2 x}{3 c^2}-i b^2 c d^2 \operatorname {PolyLog}\left (2,\frac {2}{1-i c x}-1\right )+\frac {2 i b^2 d e \operatorname {PolyLog}\left (2,1-\frac {2}{i c x+1}\right )}{c} \]
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Rule 209
Rule 327
Rule 2352
Rule 2449
Rule 2497
Rule 4930
Rule 4946
Rule 4964
Rule 4988
Rule 5036
Rule 5040
Rule 5044
Rule 5100
Rubi steps \begin{align*} \text {integral}& = \int \left (2 d e (a+b \arctan (c x))^2+\frac {d^2 (a+b \arctan (c x))^2}{x^2}+e^2 x^2 (a+b \arctan (c x))^2\right ) \, dx \\ & = d^2 \int \frac {(a+b \arctan (c x))^2}{x^2} \, dx+(2 d e) \int (a+b \arctan (c x))^2 \, dx+e^2 \int x^2 (a+b \arctan (c x))^2 \, dx \\ & = -\frac {d^2 (a+b \arctan (c x))^2}{x}+2 d e x (a+b \arctan (c x))^2+\frac {1}{3} e^2 x^3 (a+b \arctan (c x))^2+\left (2 b c d^2\right ) \int \frac {a+b \arctan (c x)}{x \left (1+c^2 x^2\right )} \, dx-(4 b c d e) \int \frac {x (a+b \arctan (c x))}{1+c^2 x^2} \, dx-\frac {1}{3} \left (2 b c e^2\right ) \int \frac {x^3 (a+b \arctan (c x))}{1+c^2 x^2} \, dx \\ & = -i c d^2 (a+b \arctan (c x))^2+\frac {2 i d e (a+b \arctan (c x))^2}{c}-\frac {d^2 (a+b \arctan (c x))^2}{x}+2 d e x (a+b \arctan (c x))^2+\frac {1}{3} e^2 x^3 (a+b \arctan (c x))^2+\left (2 i b c d^2\right ) \int \frac {a+b \arctan (c x)}{x (i+c x)} \, dx+(4 b d e) \int \frac {a+b \arctan (c x)}{i-c x} \, dx-\frac {\left (2 b e^2\right ) \int x (a+b \arctan (c x)) \, dx}{3 c}+\frac {\left (2 b e^2\right ) \int \frac {x (a+b \arctan (c x))}{1+c^2 x^2} \, dx}{3 c} \\ & = -\frac {b e^2 x^2 (a+b \arctan (c x))}{3 c}-i c d^2 (a+b \arctan (c x))^2+\frac {2 i d e (a+b \arctan (c x))^2}{c}-\frac {i e^2 (a+b \arctan (c x))^2}{3 c^3}-\frac {d^2 (a+b \arctan (c x))^2}{x}+2 d e x (a+b \arctan (c x))^2+\frac {1}{3} e^2 x^3 (a+b \arctan (c x))^2+\frac {4 b d e (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{c}+2 b c d^2 (a+b \arctan (c x)) \log \left (2-\frac {2}{1-i c x}\right )-\left (2 b^2 c^2 d^2\right ) \int \frac {\log \left (2-\frac {2}{1-i c x}\right )}{1+c^2 x^2} \, dx-\left (4 b^2 d e\right ) \int \frac {\log \left (\frac {2}{1+i c x}\right )}{1+c^2 x^2} \, dx+\frac {1}{3} \left (b^2 e^2\right ) \int \frac {x^2}{1+c^2 x^2} \, dx-\frac {\left (2 b e^2\right ) \int \frac {a+b \arctan (c x)}{i-c x} \, dx}{3 c^2} \\ & = \frac {b^2 e^2 x}{3 c^2}-\frac {b e^2 x^2 (a+b \arctan (c x))}{3 c}-i c d^2 (a+b \arctan (c x))^2+\frac {2 i d e (a+b \arctan (c x))^2}{c}-\frac {i e^2 (a+b \arctan (c x))^2}{3 c^3}-\frac {d^2 (a+b \arctan (c x))^2}{x}+2 d e x (a+b \arctan (c x))^2+\frac {1}{3} e^2 x^3 (a+b \arctan (c x))^2+\frac {4 b d e (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{c}-\frac {2 b e^2 (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{3 c^3}+2 b c d^2 (a+b \arctan (c x)) \log \left (2-\frac {2}{1-i c x}\right )-i b^2 c d^2 \operatorname {PolyLog}\left (2,-1+\frac {2}{1-i c x}\right )+\frac {\left (4 i b^2 d e\right ) \text {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1+i c x}\right )}{c}-\frac {\left (b^2 e^2\right ) \int \frac {1}{1+c^2 x^2} \, dx}{3 c^2}+\frac {\left (2 b^2 e^2\right ) \int \frac {\log \left (\frac {2}{1+i c x}\right )}{1+c^2 x^2} \, dx}{3 c^2} \\ & = \frac {b^2 e^2 x}{3 c^2}-\frac {b^2 e^2 \arctan (c x)}{3 c^3}-\frac {b e^2 x^2 (a+b \arctan (c x))}{3 c}-i c d^2 (a+b \arctan (c x))^2+\frac {2 i d e (a+b \arctan (c x))^2}{c}-\frac {i e^2 (a+b \arctan (c x))^2}{3 c^3}-\frac {d^2 (a+b \arctan (c x))^2}{x}+2 d e x (a+b \arctan (c x))^2+\frac {1}{3} e^2 x^3 (a+b \arctan (c x))^2+\frac {4 b d e (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{c}-\frac {2 b e^2 (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{3 c^3}+2 b c d^2 (a+b \arctan (c x)) \log \left (2-\frac {2}{1-i c x}\right )-i b^2 c d^2 \operatorname {PolyLog}\left (2,-1+\frac {2}{1-i c x}\right )+\frac {2 i b^2 d e \operatorname {PolyLog}\left (2,1-\frac {2}{1+i c x}\right )}{c}-\frac {\left (2 i b^2 e^2\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 {b^2 e^2 x}{3 c^2}-\frac {b^2 e^2 \arctan (c x)}{3 c^3}-\frac {b e^2 x^2 (a+b \arctan (c x))}{3 c}-i c d^2 (a+b \arctan (c x))^2+\frac {2 i d e (a+b \arctan (c x))^2}{c}-\frac {i e^2 (a+b \arctan (c x))^2}{3 c^3}-\frac {d^2 (a+b \arctan (c x))^2}{x}+2 d e x (a+b \arctan (c x))^2+\frac {1}{3} e^2 x^3 (a+b \arctan (c x))^2+\frac {4 b d e (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{c}-\frac {2 b e^2 (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{3 c^3}+2 b c d^2 (a+b \arctan (c x)) \log \left (2-\frac {2}{1-i c x}\right )-i b^2 c d^2 \operatorname {PolyLog}\left (2,-1+\frac {2}{1-i c x}\right )+\frac {2 i b^2 d e \operatorname {PolyLog}\left (2,1-\frac {2}{1+i c x}\right )}{c}-\frac {i b^2 e^2 \operatorname {PolyLog}\left (2,1-\frac {2}{1+i c x}\right )}{3 c^3} \\ \end{align*}
Time = 0.55 (sec) , antiderivative size = 349, normalized size of antiderivative = 1.02 \[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))^2}{x^2} \, dx=\frac {1}{3} \left (-\frac {3 a^2 d^2}{x}+6 a^2 d e x+a^2 e^2 x^3+\frac {6 a b d e \left (2 c x \arctan (c x)-\log \left (1+c^2 x^2\right )\right )}{c}+\frac {a b e^2 \left (-c^2 x^2+2 c^3 x^3 \arctan (c x)+\log \left (1+c^2 x^2\right )\right )}{c^3}-\frac {3 a b d^2 \left (2 \arctan (c x)+c x \left (-2 \log (c x)+\log \left (1+c^2 x^2\right )\right )\right )}{x}+\frac {6 b^2 d e \left (\arctan (c x) \left ((-i+c x) \arctan (c x)+2 \log \left (1+e^{2 i \arctan (c x)}\right )\right )-i \operatorname {PolyLog}\left (2,-e^{2 i \arctan (c x)}\right )\right )}{c}+\frac {b^2 e^2 \left (c x+\left (i+c^3 x^3\right ) \arctan (c x)^2-\arctan (c x) \left (1+c^2 x^2+2 \log \left (1+e^{2 i \arctan (c x)}\right )\right )+i \operatorname {PolyLog}\left (2,-e^{2 i \arctan (c x)}\right )\right )}{c^3}+3 b^2 c d^2 \left (\arctan (c x) \left (\left (-i-\frac {1}{c x}\right ) \arctan (c x)+2 \log \left (1-e^{2 i \arctan (c x)}\right )\right )-i \operatorname {PolyLog}\left (2,e^{2 i \arctan (c x)}\right )\right )\right ) \]
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Time = 0.72 (sec) , antiderivative size = 524, normalized size of antiderivative = 1.53
method | result | size |
derivativedivides | \(c \left (\frac {a^{2} \left (2 c^{3} d e x +\frac {e^{2} c^{3} x^{3}}{3}-\frac {c^{3} d^{2}}{x}\right )}{c^{4}}+\frac {b^{2} \left (2 \arctan \left (c x \right )^{2} c^{3} x d e +\frac {\arctan \left (c x \right )^{2} e^{2} c^{3} x^{3}}{3}-\frac {\arctan \left (c x \right )^{2} c^{3} d^{2}}{x}-\frac {\arctan \left (c x \right ) e^{2} c^{2} x^{2}}{3}+2 \arctan \left (c x \right ) c^{4} d^{2} \ln \left (c x \right )-\arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) c^{4} d^{2}-2 \arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) c^{2} d e +\frac {\arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) e^{2}}{3}+\frac {e^{2} \left (c x -\arctan \left (c x \right )\right )}{3}+\frac {\left (3 c^{4} d^{2}+6 c^{2} d e -e^{2}\right ) \left (-\frac {i \left (\ln \left (c x -i\right ) \ln \left (c^{2} x^{2}+1\right )-\frac {\ln \left (c x -i\right )^{2}}{2}-\operatorname {dilog}\left (-\frac {i \left (c x +i\right )}{2}\right )-\ln \left (c x -i\right ) \ln \left (-\frac {i \left (c x +i\right )}{2}\right )\right )}{2}+\frac {i \left (\ln \left (c x +i\right ) \ln \left (c^{2} x^{2}+1\right )-\frac {\ln \left (c x +i\right )^{2}}{2}-\operatorname {dilog}\left (\frac {i \left (c x -i\right )}{2}\right )-\ln \left (c x +i\right ) \ln \left (\frac {i \left (c x -i\right )}{2}\right )\right )}{2}\right )}{3}-2 c^{4} d^{2} \left (-\frac {i \ln \left (c x \right ) \ln \left (i c x +1\right )}{2}+\frac {i \ln \left (c x \right ) \ln \left (-i c x +1\right )}{2}-\frac {i \operatorname {dilog}\left (i c x +1\right )}{2}+\frac {i \operatorname {dilog}\left (-i c x +1\right )}{2}\right )\right )}{c^{4}}+\frac {2 a b \left (2 \arctan \left (c x \right ) c^{3} d e x +\frac {\arctan \left (c x \right ) e^{2} c^{3} x^{3}}{3}-\frac {\arctan \left (c x \right ) c^{3} d^{2}}{x}-\frac {e^{2} c^{2} x^{2}}{6}-\frac {\left (3 c^{4} d^{2}+6 c^{2} d e -e^{2}\right ) \ln \left (c^{2} x^{2}+1\right )}{6}+c^{4} d^{2} \ln \left (c x \right )\right )}{c^{4}}\right )\) | \(524\) |
default | \(c \left (\frac {a^{2} \left (2 c^{3} d e x +\frac {e^{2} c^{3} x^{3}}{3}-\frac {c^{3} d^{2}}{x}\right )}{c^{4}}+\frac {b^{2} \left (2 \arctan \left (c x \right )^{2} c^{3} x d e +\frac {\arctan \left (c x \right )^{2} e^{2} c^{3} x^{3}}{3}-\frac {\arctan \left (c x \right )^{2} c^{3} d^{2}}{x}-\frac {\arctan \left (c x \right ) e^{2} c^{2} x^{2}}{3}+2 \arctan \left (c x \right ) c^{4} d^{2} \ln \left (c x \right )-\arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) c^{4} d^{2}-2 \arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) c^{2} d e +\frac {\arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) e^{2}}{3}+\frac {e^{2} \left (c x -\arctan \left (c x \right )\right )}{3}+\frac {\left (3 c^{4} d^{2}+6 c^{2} d e -e^{2}\right ) \left (-\frac {i \left (\ln \left (c x -i\right ) \ln \left (c^{2} x^{2}+1\right )-\frac {\ln \left (c x -i\right )^{2}}{2}-\operatorname {dilog}\left (-\frac {i \left (c x +i\right )}{2}\right )-\ln \left (c x -i\right ) \ln \left (-\frac {i \left (c x +i\right )}{2}\right )\right )}{2}+\frac {i \left (\ln \left (c x +i\right ) \ln \left (c^{2} x^{2}+1\right )-\frac {\ln \left (c x +i\right )^{2}}{2}-\operatorname {dilog}\left (\frac {i \left (c x -i\right )}{2}\right )-\ln \left (c x +i\right ) \ln \left (\frac {i \left (c x -i\right )}{2}\right )\right )}{2}\right )}{3}-2 c^{4} d^{2} \left (-\frac {i \ln \left (c x \right ) \ln \left (i c x +1\right )}{2}+\frac {i \ln \left (c x \right ) \ln \left (-i c x +1\right )}{2}-\frac {i \operatorname {dilog}\left (i c x +1\right )}{2}+\frac {i \operatorname {dilog}\left (-i c x +1\right )}{2}\right )\right )}{c^{4}}+\frac {2 a b \left (2 \arctan \left (c x \right ) c^{3} d e x +\frac {\arctan \left (c x \right ) e^{2} c^{3} x^{3}}{3}-\frac {\arctan \left (c x \right ) c^{3} d^{2}}{x}-\frac {e^{2} c^{2} x^{2}}{6}-\frac {\left (3 c^{4} d^{2}+6 c^{2} d e -e^{2}\right ) \ln \left (c^{2} x^{2}+1\right )}{6}+c^{4} d^{2} \ln \left (c x \right )\right )}{c^{4}}\right )\) | \(524\) |
parts | \(a^{2} \left (\frac {e^{2} x^{3}}{3}+2 d e x -\frac {d^{2}}{x}\right )+b^{2} c \left (\frac {\arctan \left (c x \right )^{2} e^{2} x^{3}}{3 c}+\frac {2 \arctan \left (c x \right )^{2} x d e}{c}-\frac {\arctan \left (c x \right )^{2} d^{2}}{c x}-\frac {2 \left (\frac {\arctan \left (c x \right ) e^{2} c^{2} x^{2}}{2}-3 \arctan \left (c x \right ) c^{4} d^{2} \ln \left (c x \right )+\frac {3 \arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) c^{4} d^{2}}{2}+3 \arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) c^{2} d e -\frac {\arctan \left (c x \right ) \ln \left (c^{2} x^{2}+1\right ) e^{2}}{2}-\frac {e^{2} \left (c x -\arctan \left (c x \right )\right )}{2}-\frac {\left (3 c^{4} d^{2}+6 c^{2} d e -e^{2}\right ) \left (-\frac {i \left (\ln \left (c x -i\right ) \ln \left (c^{2} x^{2}+1\right )-\frac {\ln \left (c x -i\right )^{2}}{2}-\operatorname {dilog}\left (-\frac {i \left (c x +i\right )}{2}\right )-\ln \left (c x -i\right ) \ln \left (-\frac {i \left (c x +i\right )}{2}\right )\right )}{2}+\frac {i \left (\ln \left (c x +i\right ) \ln \left (c^{2} x^{2}+1\right )-\frac {\ln \left (c x +i\right )^{2}}{2}-\operatorname {dilog}\left (\frac {i \left (c x -i\right )}{2}\right )-\ln \left (c x +i\right ) \ln \left (\frac {i \left (c x -i\right )}{2}\right )\right )}{2}\right )}{2}-\frac {3 i c^{4} d^{2} \ln \left (c x \right ) \ln \left (i c x +1\right )}{2}+\frac {3 i c^{4} d^{2} \ln \left (c x \right ) \ln \left (-i c x +1\right )}{2}-\frac {3 i c^{4} d^{2} \operatorname {dilog}\left (i c x +1\right )}{2}+\frac {3 i c^{4} d^{2} \operatorname {dilog}\left (-i c x +1\right )}{2}\right )}{3 c^{4}}\right )+2 a b c \left (\frac {\arctan \left (c x \right ) e^{2} x^{3}}{3 c}+\frac {2 \arctan \left (c x \right ) x d e}{c}-\frac {\arctan \left (c x \right ) d^{2}}{c x}-\frac {\frac {e^{2} c^{2} x^{2}}{2}-3 c^{4} d^{2} \ln \left (c x \right )+\frac {\left (3 c^{4} d^{2}+6 c^{2} d e -e^{2}\right ) \ln \left (c^{2} x^{2}+1\right )}{2}}{3 c^{4}}\right )\) | \(534\) |
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\[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))^2}{x^2} \, dx=\int { \frac {{\left (e x^{2} + d\right )}^{2} {\left (b \arctan \left (c x\right ) + a\right )}^{2}}{x^{2}} \,d x } \]
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\[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))^2}{x^2} \, dx=\int \frac {\left (a + b \operatorname {atan}{\left (c x \right )}\right )^{2} \left (d + e x^{2}\right )^{2}}{x^{2}}\, dx \]
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\[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))^2}{x^2} \, dx=\int { \frac {{\left (e x^{2} + d\right )}^{2} {\left (b \arctan \left (c x\right ) + a\right )}^{2}}{x^{2}} \,d x } \]
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Timed out. \[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))^2}{x^2} \, dx=\text {Timed out} \]
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Timed out. \[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))^2}{x^2} \, dx=\int \frac {{\left (a+b\,\mathrm {atan}\left (c\,x\right )\right )}^2\,{\left (e\,x^2+d\right )}^2}{x^2} \,d x \]
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