Integrand size = 26, antiderivative size = 213 \[ \int x^2 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\frac {2 a e x}{3 c^2}+\frac {5 b e x^2}{18 c}-\frac {2}{9} a e x^3-\frac {2 a e \arctan (c x)}{3 c^3}+\frac {2 b e x \arctan (c x)}{3 c^2}-\frac {2}{9} b e x^3 \arctan (c x)-\frac {b e \arctan (c x)^2}{3 c^3}-\frac {11 b e \log \left (1+c^2 x^2\right )}{18 c^3}-\frac {b e \log ^2\left (1+c^2 x^2\right )}{12 c^3}-\frac {b x^2 \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c}+\frac {1}{3} x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )+\frac {b \log \left (1+c^2 x^2\right ) \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c^3} \]
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Time = 0.38 (sec) , antiderivative size = 213, normalized size of antiderivative = 1.00, number of steps used = 21, number of rules used = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.577, Rules used = {4946, 272, 45, 5141, 6857, 815, 649, 209, 266, 5036, 4930, 5004, 2525, 2437, 2338} \[ \int x^2 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\frac {1}{3} x^3 (a+b \arctan (c x)) \left (e \log \left (c^2 x^2+1\right )+d\right )-\frac {2 a e \arctan (c x)}{3 c^3}+\frac {2 a e x}{3 c^2}-\frac {2}{9} a e x^3-\frac {b e \arctan (c x)^2}{3 c^3}+\frac {2 b e x \arctan (c x)}{3 c^2}-\frac {2}{9} b e x^3 \arctan (c x)-\frac {b x^2 \left (e \log \left (c^2 x^2+1\right )+d\right )}{6 c}+\frac {b \log \left (c^2 x^2+1\right ) \left (e \log \left (c^2 x^2+1\right )+d\right )}{6 c^3}-\frac {b e \log ^2\left (c^2 x^2+1\right )}{12 c^3}-\frac {11 b e \log \left (c^2 x^2+1\right )}{18 c^3}+\frac {5 b e x^2}{18 c} \]
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Rule 45
Rule 209
Rule 266
Rule 272
Rule 649
Rule 815
Rule 2338
Rule 2437
Rule 2525
Rule 4930
Rule 4946
Rule 5004
Rule 5036
Rule 5141
Rule 6857
Rubi steps \begin{align*} \text {integral}& = -\frac {b x^2 \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c}+\frac {1}{3} x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )+\frac {b \log \left (1+c^2 x^2\right ) \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c^3}-\left (2 c^2 e\right ) \int \left (\frac {x^3 (-b+2 a c x+2 b c x \arctan (c x))}{6 c \left (1+c^2 x^2\right )}+\frac {b x \log \left (1+c^2 x^2\right )}{6 c^3 \left (1+c^2 x^2\right )}\right ) \, dx \\ & = -\frac {b x^2 \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c}+\frac {1}{3} x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )+\frac {b \log \left (1+c^2 x^2\right ) \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c^3}-\frac {(b e) \int \frac {x \log \left (1+c^2 x^2\right )}{1+c^2 x^2} \, dx}{3 c}-\frac {1}{3} (c e) \int \frac {x^3 (-b+2 a c x+2 b c x \arctan (c x))}{1+c^2 x^2} \, dx \\ & = -\frac {b x^2 \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c}+\frac {1}{3} x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )+\frac {b \log \left (1+c^2 x^2\right ) \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c^3}-\frac {(b e) \text {Subst}\left (\int \frac {\log \left (1+c^2 x\right )}{1+c^2 x} \, dx,x,x^2\right )}{6 c}-\frac {1}{3} (c e) \int \left (\frac {x^3 (-b+2 a c x)}{1+c^2 x^2}+\frac {2 b c x^4 \arctan (c x)}{1+c^2 x^2}\right ) \, dx \\ & = -\frac {b x^2 \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c}+\frac {1}{3} x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )+\frac {b \log \left (1+c^2 x^2\right ) \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c^3}-\frac {(b e) \text {Subst}\left (\int \frac {\log (x)}{x} \, dx,x,1+c^2 x^2\right )}{6 c^3}-\frac {1}{3} (c e) \int \frac {x^3 (-b+2 a c x)}{1+c^2 x^2} \, dx-\frac {1}{3} \left (2 b c^2 e\right ) \int \frac {x^4 \arctan (c x)}{1+c^2 x^2} \, dx \\ & = -\frac {b e \log ^2\left (1+c^2 x^2\right )}{12 c^3}-\frac {b x^2 \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c}+\frac {1}{3} x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )+\frac {b \log \left (1+c^2 x^2\right ) \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c^3}-\frac {1}{3} (2 b e) \int x^2 \arctan (c x) \, dx+\frac {1}{3} (2 b e) \int \frac {x^2 \arctan (c x)}{1+c^2 x^2} \, dx-\frac {1}{3} (c e) \int \left (-\frac {2 a}{c^3}-\frac {b x}{c^2}+\frac {2 a x^2}{c}+\frac {2 a+b c x}{c^3 \left (1+c^2 x^2\right )}\right ) \, dx \\ & = \frac {2 a e x}{3 c^2}+\frac {b e x^2}{6 c}-\frac {2}{9} a e x^3-\frac {2}{9} b e x^3 \arctan (c x)-\frac {b e \log ^2\left (1+c^2 x^2\right )}{12 c^3}-\frac {b x^2 \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c}+\frac {1}{3} x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )+\frac {b \log \left (1+c^2 x^2\right ) \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c^3}-\frac {e \int \frac {2 a+b c x}{1+c^2 x^2} \, dx}{3 c^2}+\frac {(2 b e) \int \arctan (c x) \, dx}{3 c^2}-\frac {(2 b e) \int \frac {\arctan (c x)}{1+c^2 x^2} \, dx}{3 c^2}+\frac {1}{9} (2 b c e) \int \frac {x^3}{1+c^2 x^2} \, dx \\ & = \frac {2 a e x}{3 c^2}+\frac {b e x^2}{6 c}-\frac {2}{9} a e x^3+\frac {2 b e x \arctan (c x)}{3 c^2}-\frac {2}{9} b e x^3 \arctan (c x)-\frac {b e \arctan (c x)^2}{3 c^3}-\frac {b e \log ^2\left (1+c^2 x^2\right )}{12 c^3}-\frac {b x^2 \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c}+\frac {1}{3} x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )+\frac {b \log \left (1+c^2 x^2\right ) \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c^3}-\frac {(2 a e) \int \frac {1}{1+c^2 x^2} \, dx}{3 c^2}-\frac {(b e) \int \frac {x}{1+c^2 x^2} \, dx}{3 c}-\frac {(2 b e) \int \frac {x}{1+c^2 x^2} \, dx}{3 c}+\frac {1}{9} (b c e) \text {Subst}\left (\int \frac {x}{1+c^2 x} \, dx,x,x^2\right ) \\ & = \frac {2 a e x}{3 c^2}+\frac {b e x^2}{6 c}-\frac {2}{9} a e x^3-\frac {2 a e \arctan (c x)}{3 c^3}+\frac {2 b e x \arctan (c x)}{3 c^2}-\frac {2}{9} b e x^3 \arctan (c x)-\frac {b e \arctan (c x)^2}{3 c^3}-\frac {b e \log \left (1+c^2 x^2\right )}{2 c^3}-\frac {b e \log ^2\left (1+c^2 x^2\right )}{12 c^3}-\frac {b x^2 \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c}+\frac {1}{3} x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )+\frac {b \log \left (1+c^2 x^2\right ) \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c^3}+\frac {1}{9} (b c e) \text {Subst}\left (\int \left (\frac {1}{c^2}-\frac {1}{c^2 \left (1+c^2 x\right )}\right ) \, dx,x,x^2\right ) \\ & = \frac {2 a e x}{3 c^2}+\frac {5 b e x^2}{18 c}-\frac {2}{9} a e x^3-\frac {2 a e \arctan (c x)}{3 c^3}+\frac {2 b e x \arctan (c x)}{3 c^2}-\frac {2}{9} b e x^3 \arctan (c x)-\frac {b e \arctan (c x)^2}{3 c^3}-\frac {11 b e \log \left (1+c^2 x^2\right )}{18 c^3}-\frac {b e \log ^2\left (1+c^2 x^2\right )}{12 c^3}-\frac {b x^2 \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c}+\frac {1}{3} x^3 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right )+\frac {b \log \left (1+c^2 x^2\right ) \left (d+e \log \left (1+c^2 x^2\right )\right )}{6 c^3} \\ \end{align*}
Time = 0.09 (sec) , antiderivative size = 171, normalized size of antiderivative = 0.80 \[ \int x^2 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\frac {2 c x \left (b c (-3 d+5 e) x+6 a c^2 d x^2-4 a e \left (-3+c^2 x^2\right )\right )-12 b e \arctan (c x)^2+2 \left (3 b d+6 a c^3 e x^3-b e \left (11+3 c^2 x^2\right )\right ) \log \left (1+c^2 x^2\right )+3 b e \log ^2\left (1+c^2 x^2\right )-4 \arctan (c x) \left (6 a e+b c x \left (-6 e-3 c^2 d x^2+2 c^2 e x^2\right )-3 b c^3 e x^3 \log \left (1+c^2 x^2\right )\right )}{36 c^3} \]
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Time = 1.82 (sec) , antiderivative size = 217, normalized size of antiderivative = 1.02
method | result | size |
parallelrisch | \(\frac {12 e b \ln \left (c^{2} x^{2}+1\right ) \arctan \left (c x \right ) x^{3} c^{3}+12 b \arctan \left (c x \right ) x^{3} c^{3} d -8 x^{3} \arctan \left (c x \right ) b \,c^{3} e +12 e a \ln \left (c^{2} x^{2}+1\right ) x^{3} c^{3}+12 a \,c^{3} d \,x^{3}-8 a \,c^{3} e \,x^{3}-6 x^{2} \ln \left (c^{2} x^{2}+1\right ) b \,c^{2} e -6 c^{2} x^{2} b d +10 b \,c^{2} e \,x^{2}+24 e b \arctan \left (c x \right ) x c +24 x a c e -12 e b \arctan \left (c x \right )^{2}+3 e b \ln \left (c^{2} x^{2}+1\right )^{2}-24 e a \arctan \left (c x \right )+6 \ln \left (c^{2} x^{2}+1\right ) b d -22 \ln \left (c^{2} x^{2}+1\right ) b e}{36 c^{3}}\) | \(217\) |
default | \(\text {Expression too large to display}\) | \(4010\) |
parts | \(\text {Expression too large to display}\) | \(4010\) |
risch | \(\text {Expression too large to display}\) | \(22991\) |
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Time = 0.27 (sec) , antiderivative size = 169, normalized size of antiderivative = 0.79 \[ \int x^2 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\frac {24 \, a c e x + 4 \, {\left (3 \, a c^{3} d - 2 \, a c^{3} e\right )} x^{3} - 12 \, b e \arctan \left (c x\right )^{2} + 3 \, b e \log \left (c^{2} x^{2} + 1\right )^{2} - 2 \, {\left (3 \, b c^{2} d - 5 \, b c^{2} e\right )} x^{2} + 4 \, {\left (6 \, b c e x + {\left (3 \, b c^{3} d - 2 \, b c^{3} e\right )} x^{3} - 6 \, a e\right )} \arctan \left (c x\right ) + 2 \, {\left (6 \, b c^{3} e x^{3} \arctan \left (c x\right ) + 6 \, a c^{3} e x^{3} - 3 \, b c^{2} e x^{2} + 3 \, b d - 11 \, b e\right )} \log \left (c^{2} x^{2} + 1\right )}{36 \, c^{3}} \]
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Time = 0.76 (sec) , antiderivative size = 258, normalized size of antiderivative = 1.21 \[ \int x^2 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\begin {cases} \frac {a d x^{3}}{3} + \frac {a e x^{3} \log {\left (c^{2} x^{2} + 1 \right )}}{3} - \frac {2 a e x^{3}}{9} + \frac {2 a e x}{3 c^{2}} - \frac {2 a e \operatorname {atan}{\left (c x \right )}}{3 c^{3}} + \frac {b d x^{3} \operatorname {atan}{\left (c x \right )}}{3} + \frac {b e x^{3} \log {\left (c^{2} x^{2} + 1 \right )} \operatorname {atan}{\left (c x \right )}}{3} - \frac {2 b e x^{3} \operatorname {atan}{\left (c x \right )}}{9} - \frac {b d x^{2}}{6 c} - \frac {b e x^{2} \log {\left (c^{2} x^{2} + 1 \right )}}{6 c} + \frac {5 b e x^{2}}{18 c} + \frac {2 b e x \operatorname {atan}{\left (c x \right )}}{3 c^{2}} + \frac {b d \log {\left (c^{2} x^{2} + 1 \right )}}{6 c^{3}} + \frac {b e \log {\left (c^{2} x^{2} + 1 \right )}^{2}}{12 c^{3}} - \frac {11 b e \log {\left (c^{2} x^{2} + 1 \right )}}{18 c^{3}} - \frac {b e \operatorname {atan}^{2}{\left (c x \right )}}{3 c^{3}} & \text {for}\: c \neq 0 \\\frac {a d x^{3}}{3} & \text {otherwise} \end {cases} \]
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Time = 0.27 (sec) , antiderivative size = 212, normalized size of antiderivative = 1.00 \[ \int x^2 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\frac {1}{3} \, a d x^{3} + \frac {1}{9} \, {\left (3 \, x^{3} \log \left (c^{2} x^{2} + 1\right ) - 2 \, c^{2} {\left (\frac {c^{2} x^{3} - 3 \, x}{c^{4}} + \frac {3 \, \arctan \left (c x\right )}{c^{5}}\right )}\right )} b e \arctan \left (c x\right ) + \frac {1}{6} \, {\left (2 \, x^{3} \arctan \left (c x\right ) - c {\left (\frac {x^{2}}{c^{2}} - \frac {\log \left (c^{2} x^{2} + 1\right )}{c^{4}}\right )}\right )} b d + \frac {1}{9} \, {\left (3 \, x^{3} \log \left (c^{2} x^{2} + 1\right ) - 2 \, c^{2} {\left (\frac {c^{2} x^{3} - 3 \, x}{c^{4}} + \frac {3 \, \arctan \left (c x\right )}{c^{5}}\right )}\right )} a e + \frac {{\left (10 \, c^{2} x^{2} + 12 \, \arctan \left (c x\right )^{2} - 2 \, {\left (3 \, c^{2} x^{2} + 11\right )} \log \left (c^{2} x^{2} + 1\right ) + 3 \, \log \left (c^{2} x^{2} + 1\right )^{2}\right )} b e}{36 \, c^{3}} \]
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\[ \int x^2 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\int { {\left (b \arctan \left (c x\right ) + a\right )} {\left (e \log \left (c^{2} x^{2} + 1\right ) + d\right )} x^{2} \,d x } \]
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Time = 2.79 (sec) , antiderivative size = 212, normalized size of antiderivative = 1.00 \[ \int x^2 (a+b \arctan (c x)) \left (d+e \log \left (1+c^2 x^2\right )\right ) \, dx=\frac {a\,d\,x^3}{3}-\frac {2\,a\,e\,x^3}{9}+\frac {b\,e\,{\ln \left (c^2\,x^2+1\right )}^2}{12\,c^3}+\frac {2\,a\,e\,x}{3\,c^2}-\frac {2\,a\,e\,\mathrm {atan}\left (c\,x\right )}{3\,c^3}+\frac {b\,d\,x^3\,\mathrm {atan}\left (c\,x\right )}{3}-\frac {2\,b\,e\,x^3\,\mathrm {atan}\left (c\,x\right )}{9}+\frac {b\,d\,\ln \left (c^2\,x^2+1\right )}{6\,c^3}-\frac {11\,b\,e\,\ln \left (c^2\,x^2+1\right )}{18\,c^3}-\frac {b\,d\,x^2}{6\,c}+\frac {5\,b\,e\,x^2}{18\,c}+\frac {a\,e\,x^3\,\ln \left (c^2\,x^2+1\right )}{3}-\frac {b\,e\,{\mathrm {atan}\left (c\,x\right )}^2}{3\,c^3}+\frac {b\,e\,x^3\,\mathrm {atan}\left (c\,x\right )\,\ln \left (c^2\,x^2+1\right )}{3}-\frac {b\,e\,x^2\,\ln \left (c^2\,x^2+1\right )}{6\,c}+\frac {2\,b\,e\,x\,\mathrm {atan}\left (c\,x\right )}{3\,c^2} \]
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