Integrand size = 22, antiderivative size = 418 \[ \int x^2 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=\frac {5 c^2 \sqrt {c+a^2 c x^2}}{128 a^3}+\frac {5 c \left (c+a^2 c x^2\right )^{3/2}}{576 a^3}+\frac {\left (c+a^2 c x^2\right )^{5/2}}{240 a^3}-\frac {\left (c+a^2 c x^2\right )^{7/2}}{56 a^3 c}+\frac {5 c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)}{128 a^2}+\frac {59}{192} c^2 x^3 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {17}{48} a^2 c^2 x^5 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{8} a^4 c^2 x^7 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {5 i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \arctan \left (\frac {\sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{64 a^3 \sqrt {c+a^2 c x^2}}-\frac {5 i c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (2,-\frac {i \sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{128 a^3 \sqrt {c+a^2 c x^2}}+\frac {5 i c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (2,\frac {i \sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{128 a^3 \sqrt {c+a^2 c x^2}} \]
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Time = 1.45 (sec) , antiderivative size = 418, normalized size of antiderivative = 1.00, number of steps used = 51, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.364, Rules used = {5070, 5066, 5072, 267, 5010, 5006, 272, 45} \[ \int x^2 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=\frac {5 c^2 x \arctan (a x) \sqrt {a^2 c x^2+c}}{128 a^2}+\frac {17}{48} a^2 c^2 x^5 \arctan (a x) \sqrt {a^2 c x^2+c}+\frac {59}{192} c^2 x^3 \arctan (a x) \sqrt {a^2 c x^2+c}+\frac {1}{8} a^4 c^2 x^7 \arctan (a x) \sqrt {a^2 c x^2+c}+\frac {5 i c^3 \sqrt {a^2 x^2+1} \arctan (a x) \arctan \left (\frac {\sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{64 a^3 \sqrt {a^2 c x^2+c}}-\frac {5 i c^3 \sqrt {a^2 x^2+1} \operatorname {PolyLog}\left (2,-\frac {i \sqrt {i a x+1}}{\sqrt {1-i a x}}\right )}{128 a^3 \sqrt {a^2 c x^2+c}}+\frac {5 i c^3 \sqrt {a^2 x^2+1} \operatorname {PolyLog}\left (2,\frac {i \sqrt {i a x+1}}{\sqrt {1-i a x}}\right )}{128 a^3 \sqrt {a^2 c x^2+c}}+\frac {5 c^2 \sqrt {a^2 c x^2+c}}{128 a^3}-\frac {\left (a^2 c x^2+c\right )^{7/2}}{56 a^3 c}+\frac {\left (a^2 c x^2+c\right )^{5/2}}{240 a^3}+\frac {5 c \left (a^2 c x^2+c\right )^{3/2}}{576 a^3} \]
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Rule 45
Rule 267
Rule 272
Rule 5006
Rule 5010
Rule 5066
Rule 5070
Rule 5072
Rubi steps \begin{align*} \text {integral}& = c \int x^2 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x) \, dx+\left (a^2 c\right ) \int x^4 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x) \, dx \\ & = c^2 \int x^2 \sqrt {c+a^2 c x^2} \arctan (a x) \, dx+2 \left (\left (a^2 c^2\right ) \int x^4 \sqrt {c+a^2 c x^2} \arctan (a x) \, dx\right )+\left (a^4 c^2\right ) \int x^6 \sqrt {c+a^2 c x^2} \arctan (a x) \, dx \\ & = \frac {1}{4} c^2 x^3 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{8} a^4 c^2 x^7 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{4} c^3 \int \frac {x^2 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{4} \left (a c^3\right ) \int \frac {x^3}{\sqrt {c+a^2 c x^2}} \, dx+2 \left (\frac {1}{6} a^2 c^2 x^5 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{6} \left (a^2 c^3\right ) \int \frac {x^4 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{6} \left (a^3 c^3\right ) \int \frac {x^5}{\sqrt {c+a^2 c x^2}} \, dx\right )+\frac {1}{8} \left (a^4 c^3\right ) \int \frac {x^6 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{8} \left (a^5 c^3\right ) \int \frac {x^7}{\sqrt {c+a^2 c x^2}} \, dx \\ & = \frac {c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)}{8 a^2}+\frac {1}{4} c^2 x^3 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{48} a^2 c^2 x^5 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{8} a^4 c^2 x^7 \sqrt {c+a^2 c x^2} \arctan (a x)-\frac {c^3 \int \frac {\arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx}{8 a^2}-\frac {c^3 \int \frac {x}{\sqrt {c+a^2 c x^2}} \, dx}{8 a}-\frac {1}{8} \left (a c^3\right ) \text {Subst}\left (\int \frac {x}{\sqrt {c+a^2 c x}} \, dx,x,x^2\right )-\frac {1}{48} \left (5 a^2 c^3\right ) \int \frac {x^4 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{48} \left (a^3 c^3\right ) \int \frac {x^5}{\sqrt {c+a^2 c x^2}} \, dx+2 \left (\frac {1}{24} c^2 x^3 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{6} a^2 c^2 x^5 \sqrt {c+a^2 c x^2} \arctan (a x)-\frac {1}{8} c^3 \int \frac {x^2 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{24} \left (a c^3\right ) \int \frac {x^3}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{12} \left (a^3 c^3\right ) \text {Subst}\left (\int \frac {x^2}{\sqrt {c+a^2 c x}} \, dx,x,x^2\right )\right )-\frac {1}{16} \left (a^5 c^3\right ) \text {Subst}\left (\int \frac {x^3}{\sqrt {c+a^2 c x}} \, dx,x,x^2\right ) \\ & = -\frac {c^2 \sqrt {c+a^2 c x^2}}{8 a^3}+\frac {c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)}{8 a^2}+\frac {43}{192} c^2 x^3 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{48} a^2 c^2 x^5 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{8} a^4 c^2 x^7 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{64} \left (5 c^3\right ) \int \frac {x^2 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{192} \left (5 a c^3\right ) \int \frac {x^3}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{8} \left (a c^3\right ) \text {Subst}\left (\int \left (-\frac {1}{a^2 \sqrt {c+a^2 c x}}+\frac {\sqrt {c+a^2 c x}}{a^2 c}\right ) \, dx,x,x^2\right )-\frac {1}{96} \left (a^3 c^3\right ) \text {Subst}\left (\int \frac {x^2}{\sqrt {c+a^2 c x}} \, dx,x,x^2\right )+2 \left (-\frac {c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)}{16 a^2}+\frac {1}{24} c^2 x^3 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{6} a^2 c^2 x^5 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {c^3 \int \frac {\arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx}{16 a^2}+\frac {c^3 \int \frac {x}{\sqrt {c+a^2 c x^2}} \, dx}{16 a}-\frac {1}{48} \left (a c^3\right ) \text {Subst}\left (\int \frac {x}{\sqrt {c+a^2 c x}} \, dx,x,x^2\right )-\frac {1}{12} \left (a^3 c^3\right ) \text {Subst}\left (\int \left (\frac {1}{a^4 \sqrt {c+a^2 c x}}-\frac {2 \sqrt {c+a^2 c x}}{a^4 c}+\frac {\left (c+a^2 c x\right )^{3/2}}{a^4 c^2}\right ) \, dx,x,x^2\right )\right )-\frac {1}{16} \left (a^5 c^3\right ) \text {Subst}\left (\int \left (-\frac {1}{a^6 \sqrt {c+a^2 c x}}+\frac {3 \sqrt {c+a^2 c x}}{a^6 c}-\frac {3 \left (c+a^2 c x\right )^{3/2}}{a^6 c^2}+\frac {\left (c+a^2 c x\right )^{5/2}}{a^6 c^3}\right ) \, dx,x,x^2\right )-\frac {\left (c^3 \sqrt {1+a^2 x^2}\right ) \int \frac {\arctan (a x)}{\sqrt {1+a^2 x^2}} \, dx}{8 a^2 \sqrt {c+a^2 c x^2}} \\ & = \frac {c^2 \sqrt {c+a^2 c x^2}}{4 a^3}-\frac {5 c \left (c+a^2 c x^2\right )^{3/2}}{24 a^3}+\frac {3 \left (c+a^2 c x^2\right )^{5/2}}{40 a^3}-\frac {\left (c+a^2 c x^2\right )^{7/2}}{56 a^3 c}+\frac {21 c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)}{128 a^2}+\frac {43}{192} c^2 x^3 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{48} a^2 c^2 x^5 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{8} a^4 c^2 x^7 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \arctan \left (\frac {\sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{4 a^3 \sqrt {c+a^2 c x^2}}-\frac {i c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (2,-\frac {i \sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{8 a^3 \sqrt {c+a^2 c x^2}}+\frac {i c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (2,\frac {i \sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{8 a^3 \sqrt {c+a^2 c x^2}}-\frac {\left (5 c^3\right ) \int \frac {\arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx}{128 a^2}-\frac {\left (5 c^3\right ) \int \frac {x}{\sqrt {c+a^2 c x^2}} \, dx}{128 a}+\frac {1}{384} \left (5 a c^3\right ) \text {Subst}\left (\int \frac {x}{\sqrt {c+a^2 c x}} \, dx,x,x^2\right )-\frac {1}{96} \left (a^3 c^3\right ) \text {Subst}\left (\int \left (\frac {1}{a^4 \sqrt {c+a^2 c x}}-\frac {2 \sqrt {c+a^2 c x}}{a^4 c}+\frac {\left (c+a^2 c x\right )^{3/2}}{a^4 c^2}\right ) \, dx,x,x^2\right )+2 \left (-\frac {5 c^2 \sqrt {c+a^2 c x^2}}{48 a^3}+\frac {c \left (c+a^2 c x^2\right )^{3/2}}{9 a^3}-\frac {\left (c+a^2 c x^2\right )^{5/2}}{30 a^3}-\frac {c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)}{16 a^2}+\frac {1}{24} c^2 x^3 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{6} a^2 c^2 x^5 \sqrt {c+a^2 c x^2} \arctan (a x)-\frac {1}{48} \left (a c^3\right ) \text {Subst}\left (\int \left (-\frac {1}{a^2 \sqrt {c+a^2 c x}}+\frac {\sqrt {c+a^2 c x}}{a^2 c}\right ) \, dx,x,x^2\right )+\frac {\left (c^3 \sqrt {1+a^2 x^2}\right ) \int \frac {\arctan (a x)}{\sqrt {1+a^2 x^2}} \, dx}{16 a^2 \sqrt {c+a^2 c x^2}}\right ) \\ & = \frac {73 c^2 \sqrt {c+a^2 c x^2}}{384 a^3}-\frac {7 c \left (c+a^2 c x^2\right )^{3/2}}{36 a^3}+\frac {17 \left (c+a^2 c x^2\right )^{5/2}}{240 a^3}-\frac {\left (c+a^2 c x^2\right )^{7/2}}{56 a^3 c}+\frac {21 c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)}{128 a^2}+\frac {43}{192} c^2 x^3 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{48} a^2 c^2 x^5 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{8} a^4 c^2 x^7 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \arctan \left (\frac {\sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{4 a^3 \sqrt {c+a^2 c x^2}}-\frac {i c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (2,-\frac {i \sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{8 a^3 \sqrt {c+a^2 c x^2}}+\frac {i c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (2,\frac {i \sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{8 a^3 \sqrt {c+a^2 c x^2}}+2 \left (-\frac {c^2 \sqrt {c+a^2 c x^2}}{16 a^3}+\frac {7 c \left (c+a^2 c x^2\right )^{3/2}}{72 a^3}-\frac {\left (c+a^2 c x^2\right )^{5/2}}{30 a^3}-\frac {c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)}{16 a^2}+\frac {1}{24} c^2 x^3 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{6} a^2 c^2 x^5 \sqrt {c+a^2 c x^2} \arctan (a x)-\frac {i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \arctan \left (\frac {\sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{8 a^3 \sqrt {c+a^2 c x^2}}+\frac {i c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (2,-\frac {i \sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{16 a^3 \sqrt {c+a^2 c x^2}}-\frac {i c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (2,\frac {i \sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{16 a^3 \sqrt {c+a^2 c x^2}}\right )+\frac {1}{384} \left (5 a c^3\right ) \text {Subst}\left (\int \left (-\frac {1}{a^2 \sqrt {c+a^2 c x}}+\frac {\sqrt {c+a^2 c x}}{a^2 c}\right ) \, dx,x,x^2\right )-\frac {\left (5 c^3 \sqrt {1+a^2 x^2}\right ) \int \frac {\arctan (a x)}{\sqrt {1+a^2 x^2}} \, dx}{128 a^2 \sqrt {c+a^2 c x^2}} \\ & = \frac {21 c^2 \sqrt {c+a^2 c x^2}}{128 a^3}-\frac {107 c \left (c+a^2 c x^2\right )^{3/2}}{576 a^3}+\frac {17 \left (c+a^2 c x^2\right )^{5/2}}{240 a^3}-\frac {\left (c+a^2 c x^2\right )^{7/2}}{56 a^3 c}+\frac {21 c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)}{128 a^2}+\frac {43}{192} c^2 x^3 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{48} a^2 c^2 x^5 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{8} a^4 c^2 x^7 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {21 i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \arctan \left (\frac {\sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{64 a^3 \sqrt {c+a^2 c x^2}}-\frac {21 i c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (2,-\frac {i \sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{128 a^3 \sqrt {c+a^2 c x^2}}+\frac {21 i c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (2,\frac {i \sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{128 a^3 \sqrt {c+a^2 c x^2}}+2 \left (-\frac {c^2 \sqrt {c+a^2 c x^2}}{16 a^3}+\frac {7 c \left (c+a^2 c x^2\right )^{3/2}}{72 a^3}-\frac {\left (c+a^2 c x^2\right )^{5/2}}{30 a^3}-\frac {c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)}{16 a^2}+\frac {1}{24} c^2 x^3 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {1}{6} a^2 c^2 x^5 \sqrt {c+a^2 c x^2} \arctan (a x)-\frac {i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \arctan \left (\frac {\sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{8 a^3 \sqrt {c+a^2 c x^2}}+\frac {i c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (2,-\frac {i \sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{16 a^3 \sqrt {c+a^2 c x^2}}-\frac {i c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (2,\frac {i \sqrt {1+i a x}}{\sqrt {1-i a x}}\right )}{16 a^3 \sqrt {c+a^2 c x^2}}\right ) \\ \end{align*}
Both result and optimal contain complex but leaf count is larger than twice the leaf count of optimal. \(907\) vs. \(2(418)=836\).
Time = 12.47 (sec) , antiderivative size = 907, normalized size of antiderivative = 2.17 \[ \int x^2 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=\frac {c^2 \sqrt {c+a^2 c x^2} \left (-\frac {19067}{32} \left (1+a^2 x^2\right )^{7/2}-\frac {3829}{32} \left (1+a^2 x^2\right )^4 \cos (3 \arctan (a x))-3150 i \operatorname {PolyLog}\left (2,-i e^{i \arctan (a x)}\right )+3150 i \operatorname {PolyLog}\left (2,i e^{i \arctan (a x)}\right )-420 \left (1+a^2 x^2\right )^2 \left (-\frac {2}{\sqrt {1+a^2 x^2}}-6 \cos (3 \arctan (a x))+3 \arctan (a x) \left (-\frac {14 a x}{\sqrt {1+a^2 x^2}}+3 \log \left (1-i e^{i \arctan (a x)}\right )+4 \cos (2 \arctan (a x)) \left (\log \left (1-i e^{i \arctan (a x)}\right )-\log \left (1+i e^{i \arctan (a x)}\right )\right )+\cos (4 \arctan (a x)) \left (\log \left (1-i e^{i \arctan (a x)}\right )-\log \left (1+i e^{i \arctan (a x)}\right )\right )-3 \log \left (1+i e^{i \arctan (a x)}\right )+2 \sin (3 \arctan (a x))\right )\right )+7 \left (1+a^2 x^2\right )^3 \left (\frac {12}{\sqrt {1+a^2 x^2}}+110 \cos (3 \arctan (a x))-90 \cos (5 \arctan (a x))+15 \arctan (a x) \left (\frac {156 a x}{\sqrt {1+a^2 x^2}}+30 \log \left (1-i e^{i \arctan (a x)}\right )+3 \cos (6 \arctan (a x)) \log \left (1-i e^{i \arctan (a x)}\right )+45 \cos (2 \arctan (a x)) \left (\log \left (1-i e^{i \arctan (a x)}\right )-\log \left (1+i e^{i \arctan (a x)}\right )\right )+18 \cos (4 \arctan (a x)) \left (\log \left (1-i e^{i \arctan (a x)}\right )-\log \left (1+i e^{i \arctan (a x)}\right )\right )-30 \log \left (1+i e^{i \arctan (a x)}\right )-3 \cos (6 \arctan (a x)) \log \left (1+i e^{i \arctan (a x)}\right )-94 \sin (3 \arctan (a x))+6 \sin (5 \arctan (a x))\right )\right )-\frac {35}{64} \left (1+a^2 x^2\right )^4 \left (314 \cos (5 \arctan (a x))-90 \cos (7 \arctan (a x))+3 \arctan (a x) \left (-\frac {3530 a x}{\sqrt {1+a^2 x^2}}+525 \log \left (1-i e^{i \arctan (a x)}\right )+120 \cos (6 \arctan (a x)) \log \left (1-i e^{i \arctan (a x)}\right )+15 \cos (8 \arctan (a x)) \log \left (1-i e^{i \arctan (a x)}\right )+840 \cos (2 \arctan (a x)) \left (\log \left (1-i e^{i \arctan (a x)}\right )-\log \left (1+i e^{i \arctan (a x)}\right )\right )+420 \cos (4 \arctan (a x)) \left (\log \left (1-i e^{i \arctan (a x)}\right )-\log \left (1+i e^{i \arctan (a x)}\right )\right )-525 \log \left (1+i e^{i \arctan (a x)}\right )-120 \cos (6 \arctan (a x)) \log \left (1+i e^{i \arctan (a x)}\right )-15 \cos (8 \arctan (a x)) \log \left (1+i e^{i \arctan (a x)}\right )+1790 \sin (3 \arctan (a x))-794 \sin (5 \arctan (a x))+30 \sin (7 \arctan (a x))\right )\right )\right )}{80640 a^3 \sqrt {1+a^2 x^2}} \]
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Time = 2.94 (sec) , antiderivative size = 245, normalized size of antiderivative = 0.59
method | result | size |
default | \(\frac {c^{2} \sqrt {c \left (a x -i\right ) \left (a x +i\right )}\, \left (5040 \arctan \left (a x \right ) a^{7} x^{7}-720 a^{6} x^{6}+14280 \arctan \left (a x \right ) a^{5} x^{5}-1992 a^{4} x^{4}+12390 \arctan \left (a x \right ) x^{3} a^{3}-1474 a^{2} x^{2}+1575 x \arctan \left (a x \right ) a +1373\right )}{40320 a^{3}}+\frac {5 c^{2} \sqrt {c \left (a x -i\right ) \left (a x +i\right )}\, \left (\arctan \left (a x \right ) \ln \left (1+\frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )-\arctan \left (a x \right ) \ln \left (1-\frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )-i \operatorname {dilog}\left (1+\frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )+i \operatorname {dilog}\left (1-\frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )\right )}{128 a^{3} \sqrt {a^{2} x^{2}+1}}\) | \(245\) |
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\[ \int x^2 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{\frac {5}{2}} x^{2} \arctan \left (a x\right ) \,d x } \]
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Timed out. \[ \int x^2 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=\text {Timed out} \]
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\[ \int x^2 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{\frac {5}{2}} x^{2} \arctan \left (a x\right ) \,d x } \]
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\[ \int x^2 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{\frac {5}{2}} x^{2} \arctan \left (a x\right ) \,d x } \]
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Timed out. \[ \int x^2 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x) \, dx=\int x^2\,\mathrm {atan}\left (a\,x\right )\,{\left (c\,a^2\,x^2+c\right )}^{5/2} \,d x \]
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