Integrand size = 22, antiderivative size = 289 \[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=\frac {47 c^2 x \sqrt {c+a^2 c x^2}}{2688 a^3}-\frac {205 c^2 x^3 \sqrt {c+a^2 c x^2}}{12096 a}-\frac {103 a c^2 x^5 \sqrt {c+a^2 c x^2}}{3024}-\frac {1}{72} a^3 c^2 x^7 \sqrt {c+a^2 c x^2}-\frac {2 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{63 a^4}+\frac {c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{63 a^2}+\frac {5}{21} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {19}{63} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{9} a^4 c^2 x^8 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {115 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {c+a^2 c x^2}}\right )}{8064 a^4} \]
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Time = 1.36 (sec) , antiderivative size = 289, normalized size of antiderivative = 1.00, number of steps used = 76, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.318, Rules used = {5070, 5066, 5072, 327, 223, 212, 5050} \[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=\frac {c^2 x^2 \arctan (a x) \sqrt {a^2 c x^2+c}}{63 a^2}+\frac {19}{63} a^2 c^2 x^6 \arctan (a x) \sqrt {a^2 c x^2+c}+\frac {5}{21} c^2 x^4 \arctan (a x) \sqrt {a^2 c x^2+c}-\frac {103 a c^2 x^5 \sqrt {a^2 c x^2+c}}{3024}-\frac {205 c^2 x^3 \sqrt {a^2 c x^2+c}}{12096 a}-\frac {2 c^2 \arctan (a x) \sqrt {a^2 c x^2+c}}{63 a^4}+\frac {1}{9} a^4 c^2 x^8 \arctan (a x) \sqrt {a^2 c x^2+c}+\frac {115 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {a^2 c x^2+c}}\right )}{8064 a^4}+\frac {47 c^2 x \sqrt {a^2 c x^2+c}}{2688 a^3}-\frac {1}{72} a^3 c^2 x^7 \sqrt {a^2 c x^2+c} \]
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Rule 212
Rule 223
Rule 327
Rule 5050
Rule 5066
Rule 5070
Rule 5072
Rubi steps \begin{align*} \text {integral}& = c \int x^3 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x) \, dx+\left (a^2 c\right ) \int x^5 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x) \, dx \\ & = c^2 \int x^3 \sqrt {c+a^2 c x^2} \arctan (a x) \, dx+2 \left (\left (a^2 c^2\right ) \int x^5 \sqrt {c+a^2 c x^2} \arctan (a x) \, dx\right )+\left (a^4 c^2\right ) \int x^7 \sqrt {c+a^2 c x^2} \arctan (a x) \, dx \\ & = \frac {1}{5} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{9} a^4 c^2 x^8 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{5} c^3 \int \frac {x^3 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{5} \left (a c^3\right ) \int \frac {x^4}{\sqrt {c+a^2 c x^2}} \, dx+2 \left (\frac {1}{7} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{7} \left (a^2 c^3\right ) \int \frac {x^5 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{7} \left (a^3 c^3\right ) \int \frac {x^6}{\sqrt {c+a^2 c x^2}} \, dx\right )+\frac {1}{9} \left (a^4 c^3\right ) \int \frac {x^7 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{9} \left (a^5 c^3\right ) \int \frac {x^8}{\sqrt {c+a^2 c x^2}} \, dx \\ & = -\frac {c^2 x^3 \sqrt {c+a^2 c x^2}}{20 a}-\frac {1}{72} a^3 c^2 x^7 \sqrt {c+a^2 c x^2}+\frac {c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{15 a^2}+\frac {1}{5} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{63} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{9} a^4 c^2 x^8 \sqrt {c+a^2 c x^2} \arctan (a x)-\frac {\left (2 c^3\right ) \int \frac {x \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx}{15 a^2}-\frac {c^3 \int \frac {x^2}{\sqrt {c+a^2 c x^2}} \, dx}{15 a}+\frac {\left (3 c^3\right ) \int \frac {x^2}{\sqrt {c+a^2 c x^2}} \, dx}{20 a}+2 \left (-\frac {1}{42} a c^2 x^5 \sqrt {c+a^2 c x^2}+\frac {1}{35} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{7} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)-\frac {1}{35} \left (4 c^3\right ) \int \frac {x^3 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{35} \left (a c^3\right ) \int \frac {x^4}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{42} \left (5 a c^3\right ) \int \frac {x^4}{\sqrt {c+a^2 c x^2}} \, dx\right )-\frac {1}{21} \left (2 a^2 c^3\right ) \int \frac {x^5 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{63} \left (a^3 c^3\right ) \int \frac {x^6}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{72} \left (7 a^3 c^3\right ) \int \frac {x^6}{\sqrt {c+a^2 c x^2}} \, dx \\ & = \frac {c^2 x \sqrt {c+a^2 c x^2}}{24 a^3}-\frac {c^2 x^3 \sqrt {c+a^2 c x^2}}{20 a}+\frac {41 a c^2 x^5 \sqrt {c+a^2 c x^2}}{3024}-\frac {1}{72} a^3 c^2 x^7 \sqrt {c+a^2 c x^2}-\frac {2 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{15 a^4}+\frac {c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{15 a^2}+\frac {19}{105} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{63} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{9} a^4 c^2 x^8 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{105} \left (8 c^3\right ) \int \frac {x^3 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx+\frac {c^3 \int \frac {1}{\sqrt {c+a^2 c x^2}} \, dx}{30 a^3}-\frac {\left (3 c^3\right ) \int \frac {1}{\sqrt {c+a^2 c x^2}} \, dx}{40 a^3}+\frac {\left (2 c^3\right ) \int \frac {1}{\sqrt {c+a^2 c x^2}} \, dx}{15 a^3}+2 \left (\frac {19 c^2 x^3 \sqrt {c+a^2 c x^2}}{840 a}-\frac {1}{42} a c^2 x^5 \sqrt {c+a^2 c x^2}-\frac {4 c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{105 a^2}+\frac {1}{35} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{7} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {\left (8 c^3\right ) \int \frac {x \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx}{105 a^2}+\frac {\left (3 c^3\right ) \int \frac {x^2}{\sqrt {c+a^2 c x^2}} \, dx}{140 a}+\frac {\left (4 c^3\right ) \int \frac {x^2}{\sqrt {c+a^2 c x^2}} \, dx}{105 a}-\frac {\left (5 c^3\right ) \int \frac {x^2}{\sqrt {c+a^2 c x^2}} \, dx}{56 a}\right )+\frac {1}{378} \left (5 a c^3\right ) \int \frac {x^4}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{105} \left (2 a c^3\right ) \int \frac {x^4}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{432} \left (35 a c^3\right ) \int \frac {x^4}{\sqrt {c+a^2 c x^2}} \, dx \\ & = \frac {c^2 x \sqrt {c+a^2 c x^2}}{24 a^3}-\frac {3761 c^2 x^3 \sqrt {c+a^2 c x^2}}{60480 a}+\frac {41 a c^2 x^5 \sqrt {c+a^2 c x^2}}{3024}-\frac {1}{72} a^3 c^2 x^7 \sqrt {c+a^2 c x^2}-\frac {2 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{15 a^4}+\frac {29 c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{315 a^2}+\frac {19}{105} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{63} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{9} a^4 c^2 x^8 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {c^3 \text {Subst}\left (\int \frac {1}{1-a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c+a^2 c x^2}}\right )}{30 a^3}-\frac {\left (3 c^3\right ) \text {Subst}\left (\int \frac {1}{1-a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c+a^2 c x^2}}\right )}{40 a^3}+2 \left (-\frac {5 c^2 x \sqrt {c+a^2 c x^2}}{336 a^3}+\frac {19 c^2 x^3 \sqrt {c+a^2 c x^2}}{840 a}-\frac {1}{42} a c^2 x^5 \sqrt {c+a^2 c x^2}+\frac {8 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{105 a^4}-\frac {4 c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{105 a^2}+\frac {1}{35} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{7} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)-\frac {\left (3 c^3\right ) \int \frac {1}{\sqrt {c+a^2 c x^2}} \, dx}{280 a^3}-\frac {\left (2 c^3\right ) \int \frac {1}{\sqrt {c+a^2 c x^2}} \, dx}{105 a^3}+\frac {\left (5 c^3\right ) \int \frac {1}{\sqrt {c+a^2 c x^2}} \, dx}{112 a^3}-\frac {\left (8 c^3\right ) \int \frac {1}{\sqrt {c+a^2 c x^2}} \, dx}{105 a^3}\right )+\frac {\left (2 c^3\right ) \text {Subst}\left (\int \frac {1}{1-a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c+a^2 c x^2}}\right )}{15 a^3}-\frac {\left (16 c^3\right ) \int \frac {x \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx}{315 a^2}-\frac {\left (5 c^3\right ) \int \frac {x^2}{\sqrt {c+a^2 c x^2}} \, dx}{504 a}-\frac {c^3 \int \frac {x^2}{\sqrt {c+a^2 c x^2}} \, dx}{70 a}-\frac {\left (8 c^3\right ) \int \frac {x^2}{\sqrt {c+a^2 c x^2}} \, dx}{315 a}+\frac {\left (35 c^3\right ) \int \frac {x^2}{\sqrt {c+a^2 c x^2}} \, dx}{576 a} \\ & = \frac {127 c^2 x \sqrt {c+a^2 c x^2}}{2688 a^3}-\frac {3761 c^2 x^3 \sqrt {c+a^2 c x^2}}{60480 a}+\frac {41 a c^2 x^5 \sqrt {c+a^2 c x^2}}{3024}-\frac {1}{72} a^3 c^2 x^7 \sqrt {c+a^2 c x^2}-\frac {58 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{315 a^4}+\frac {29 c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{315 a^2}+\frac {19}{105} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{63} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{9} a^4 c^2 x^8 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {11 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {c+a^2 c x^2}}\right )}{120 a^4}+\frac {\left (5 c^3\right ) \int \frac {1}{\sqrt {c+a^2 c x^2}} \, dx}{1008 a^3}+\frac {c^3 \int \frac {1}{\sqrt {c+a^2 c x^2}} \, dx}{140 a^3}+\frac {\left (4 c^3\right ) \int \frac {1}{\sqrt {c+a^2 c x^2}} \, dx}{315 a^3}-\frac {\left (35 c^3\right ) \int \frac {1}{\sqrt {c+a^2 c x^2}} \, dx}{1152 a^3}+\frac {\left (16 c^3\right ) \int \frac {1}{\sqrt {c+a^2 c x^2}} \, dx}{315 a^3}+2 \left (-\frac {5 c^2 x \sqrt {c+a^2 c x^2}}{336 a^3}+\frac {19 c^2 x^3 \sqrt {c+a^2 c x^2}}{840 a}-\frac {1}{42} a c^2 x^5 \sqrt {c+a^2 c x^2}+\frac {8 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{105 a^4}-\frac {4 c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{105 a^2}+\frac {1}{35} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{7} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)-\frac {\left (3 c^3\right ) \text {Subst}\left (\int \frac {1}{1-a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c+a^2 c x^2}}\right )}{280 a^3}-\frac {\left (2 c^3\right ) \text {Subst}\left (\int \frac {1}{1-a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c+a^2 c x^2}}\right )}{105 a^3}+\frac {\left (5 c^3\right ) \text {Subst}\left (\int \frac {1}{1-a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c+a^2 c x^2}}\right )}{112 a^3}-\frac {\left (8 c^3\right ) \text {Subst}\left (\int \frac {1}{1-a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c+a^2 c x^2}}\right )}{105 a^3}\right ) \\ & = \frac {127 c^2 x \sqrt {c+a^2 c x^2}}{2688 a^3}-\frac {3761 c^2 x^3 \sqrt {c+a^2 c x^2}}{60480 a}+\frac {41 a c^2 x^5 \sqrt {c+a^2 c x^2}}{3024}-\frac {1}{72} a^3 c^2 x^7 \sqrt {c+a^2 c x^2}-\frac {58 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{315 a^4}+\frac {29 c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{315 a^2}+\frac {19}{105} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{63} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{9} a^4 c^2 x^8 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {11 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {c+a^2 c x^2}}\right )}{120 a^4}+2 \left (-\frac {5 c^2 x \sqrt {c+a^2 c x^2}}{336 a^3}+\frac {19 c^2 x^3 \sqrt {c+a^2 c x^2}}{840 a}-\frac {1}{42} a c^2 x^5 \sqrt {c+a^2 c x^2}+\frac {8 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{105 a^4}-\frac {4 c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{105 a^2}+\frac {1}{35} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{7} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)-\frac {103 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {c+a^2 c x^2}}\right )}{1680 a^4}\right )+\frac {\left (5 c^3\right ) \text {Subst}\left (\int \frac {1}{1-a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c+a^2 c x^2}}\right )}{1008 a^3}+\frac {c^3 \text {Subst}\left (\int \frac {1}{1-a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c+a^2 c x^2}}\right )}{140 a^3}+\frac {\left (4 c^3\right ) \text {Subst}\left (\int \frac {1}{1-a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c+a^2 c x^2}}\right )}{315 a^3}-\frac {\left (35 c^3\right ) \text {Subst}\left (\int \frac {1}{1-a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c+a^2 c x^2}}\right )}{1152 a^3}+\frac {\left (16 c^3\right ) \text {Subst}\left (\int \frac {1}{1-a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c+a^2 c x^2}}\right )}{315 a^3} \\ & = \frac {127 c^2 x \sqrt {c+a^2 c x^2}}{2688 a^3}-\frac {3761 c^2 x^3 \sqrt {c+a^2 c x^2}}{60480 a}+\frac {41 a c^2 x^5 \sqrt {c+a^2 c x^2}}{3024}-\frac {1}{72} a^3 c^2 x^7 \sqrt {c+a^2 c x^2}-\frac {58 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{315 a^4}+\frac {29 c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{315 a^2}+\frac {19}{105} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{63} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{9} a^4 c^2 x^8 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {5519 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {c+a^2 c x^2}}\right )}{40320 a^4}+2 \left (-\frac {5 c^2 x \sqrt {c+a^2 c x^2}}{336 a^3}+\frac {19 c^2 x^3 \sqrt {c+a^2 c x^2}}{840 a}-\frac {1}{42} a c^2 x^5 \sqrt {c+a^2 c x^2}+\frac {8 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{105 a^4}-\frac {4 c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{105 a^2}+\frac {1}{35} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{7} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)-\frac {103 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {c+a^2 c x^2}}\right )}{1680 a^4}\right ) \\ \end{align*}
Time = 0.21 (sec) , antiderivative size = 129, normalized size of antiderivative = 0.45 \[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=\frac {c^2 \left (-a x \sqrt {c+a^2 c x^2} \left (-423+410 a^2 x^2+824 a^4 x^4+336 a^6 x^6\right )+384 \left (1+a^2 x^2\right )^3 \left (-2+7 a^2 x^2\right ) \sqrt {c+a^2 c x^2} \arctan (a x)+345 \sqrt {c} \log \left (a c x+\sqrt {c} \sqrt {c+a^2 c x^2}\right )\right )}{24192 a^4} \]
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Result contains complex when optimal does not.
Time = 5.16 (sec) , antiderivative size = 225, normalized size of antiderivative = 0.78
method | result | size |
default | \(\frac {c^{2} \sqrt {c \left (a x -i\right ) \left (a x +i\right )}\, \left (2688 \arctan \left (a x \right ) a^{8} x^{8}-336 a^{7} x^{7}+7296 a^{6} \arctan \left (a x \right ) x^{6}-824 a^{5} x^{5}+5760 \arctan \left (a x \right ) a^{4} x^{4}-410 a^{3} x^{3}+384 a^{2} \arctan \left (a x \right ) x^{2}+423 a x -768 \arctan \left (a x \right )\right )}{24192 a^{4}}+\frac {115 c^{2} \sqrt {c \left (a x -i\right ) \left (a x +i\right )}\, \ln \left (\frac {i a x +1}{\sqrt {a^{2} x^{2}+1}}+i\right )}{8064 a^{4} \sqrt {a^{2} x^{2}+1}}-\frac {115 c^{2} \sqrt {c \left (a x -i\right ) \left (a x +i\right )}\, \ln \left (\frac {i a x +1}{\sqrt {a^{2} x^{2}+1}}-i\right )}{8064 a^{4} \sqrt {a^{2} x^{2}+1}}\) | \(225\) |
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Time = 0.29 (sec) , antiderivative size = 154, normalized size of antiderivative = 0.53 \[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=\frac {345 \, c^{\frac {5}{2}} \log \left (-2 \, a^{2} c x^{2} - 2 \, \sqrt {a^{2} c x^{2} + c} a \sqrt {c} x - c\right ) - 2 \, {\left (336 \, a^{7} c^{2} x^{7} + 824 \, a^{5} c^{2} x^{5} + 410 \, a^{3} c^{2} x^{3} - 423 \, a c^{2} x - 384 \, {\left (7 \, a^{8} c^{2} x^{8} + 19 \, a^{6} c^{2} x^{6} + 15 \, a^{4} c^{2} x^{4} + a^{2} c^{2} x^{2} - 2 \, c^{2}\right )} \arctan \left (a x\right )\right )} \sqrt {a^{2} c x^{2} + c}}{48384 \, a^{4}} \]
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\[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=\int x^{3} \left (c \left (a^{2} x^{2} + 1\right )\right )^{\frac {5}{2}} \operatorname {atan}{\left (a x \right )}\, dx \]
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Time = 0.38 (sec) , antiderivative size = 338, normalized size of antiderivative = 1.17 \[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=-\frac {1}{24192} \, {\left ({\left (7 \, {\left (\frac {48 \, {\left (a^{2} x^{2} + 1\right )}^{\frac {3}{2}} x^{5}}{a^{2}} - \frac {40 \, {\left (a^{2} x^{2} + 1\right )}^{\frac {3}{2}} x^{3}}{a^{4}} + \frac {30 \, {\left (a^{2} x^{2} + 1\right )}^{\frac {3}{2}} x}{a^{6}} - \frac {15 \, \sqrt {a^{2} x^{2} + 1} x}{a^{6}} - \frac {15 \, \operatorname {arsinh}\left (a x\right )}{a^{7}}\right )} a^{2} c^{2} + 96 \, {\left (\frac {8 \, {\left (a^{2} x^{2} + 1\right )}^{\frac {3}{2}} x^{3}}{a^{2}} - \frac {6 \, {\left (a^{2} x^{2} + 1\right )}^{\frac {3}{2}} x}{a^{4}} + \frac {3 \, \sqrt {a^{2} x^{2} + 1} x}{a^{4}} + \frac {3 \, \operatorname {arsinh}\left (a x\right )}{a^{5}}\right )} c^{2} + \frac {144 \, c^{2} {\left (\frac {2 \, {\left (a^{2} x^{2} + 1\right )}^{\frac {3}{2}} x}{a^{2}} - \frac {\sqrt {a^{2} x^{2} + 1} x}{a^{2}} - \frac {\operatorname {arsinh}\left (a x\right )}{a^{3}}\right )}}{a^{2}} - \frac {384 \, {\left (\sqrt {a^{2} x^{2} + 1} x + \frac {\operatorname {arsinh}\left (a x\right )}{a}\right )} c^{2}}{a^{4}}\right )} a - 384 \, {\left (7 \, {\left (a^{2} x^{2} + 1\right )}^{\frac {3}{2}} a^{2} c^{2} x^{6} + 12 \, {\left (a^{2} x^{2} + 1\right )}^{\frac {3}{2}} c^{2} x^{4} + \frac {3 \, {\left (a^{2} x^{2} + 1\right )}^{\frac {3}{2}} c^{2} x^{2}}{a^{2}} - \frac {2 \, {\left (a^{2} x^{2} + 1\right )}^{\frac {3}{2}} c^{2}}{a^{4}}\right )} \arctan \left (a x\right )\right )} \sqrt {c} \]
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Exception generated. \[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=\int x^3\,\mathrm {atan}\left (a\,x\right )\,{\left (c\,a^2\,x^2+c\right )}^{5/2} \,d x \]
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