Integrand size = 26, antiderivative size = 224 \[ \int \frac {x^2}{\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^{5/2}} \, dx=-\frac {2 x^2}{3 a c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^{3/2}}-\frac {8 x}{3 a^2 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}+\frac {4 x^3}{3 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}-\frac {\sqrt {2 \pi } \sqrt {1+a^2 x^2} \operatorname {FresnelC}\left (\sqrt {\frac {2}{\pi }} \sqrt {\arctan (a x)}\right )}{3 a^3 c^2 \sqrt {c+a^2 c x^2}}+\frac {\sqrt {6 \pi } \sqrt {1+a^2 x^2} \operatorname {FresnelC}\left (\sqrt {\frac {6}{\pi }} \sqrt {\arctan (a x)}\right )}{a^3 c^2 \sqrt {c+a^2 c x^2}} \]
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Time = 0.79 (sec) , antiderivative size = 224, normalized size of antiderivative = 1.00, number of steps used = 27, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.385, Rules used = {5088, 5062, 5091, 5090, 4491, 3385, 3433, 5025, 5024, 3393} \[ \int \frac {x^2}{\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^{5/2}} \, dx=-\frac {2 x^2}{3 a c \arctan (a x)^{3/2} \left (a^2 c x^2+c\right )^{3/2}}-\frac {8 x}{3 a^2 c \sqrt {\arctan (a x)} \left (a^2 c x^2+c\right )^{3/2}}+\frac {4 x^3}{3 c \sqrt {\arctan (a x)} \left (a^2 c x^2+c\right )^{3/2}}-\frac {\sqrt {2 \pi } \sqrt {a^2 x^2+1} \operatorname {FresnelC}\left (\sqrt {\frac {2}{\pi }} \sqrt {\arctan (a x)}\right )}{3 a^3 c^2 \sqrt {a^2 c x^2+c}}+\frac {\sqrt {6 \pi } \sqrt {a^2 x^2+1} \operatorname {FresnelC}\left (\sqrt {\frac {6}{\pi }} \sqrt {\arctan (a x)}\right )}{a^3 c^2 \sqrt {a^2 c x^2+c}} \]
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Rule 3385
Rule 3393
Rule 3433
Rule 4491
Rule 5024
Rule 5025
Rule 5062
Rule 5088
Rule 5090
Rule 5091
Rubi steps \begin{align*} \text {integral}& = -\frac {2 x^2}{3 a c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^{3/2}}+\frac {4 \int \frac {x}{\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^{3/2}} \, dx}{3 a}-\frac {1}{3} (2 a) \int \frac {x^3}{\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^{3/2}} \, dx \\ & = -\frac {2 x^2}{3 a c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^{3/2}}-\frac {8 x}{3 a^2 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}+\frac {4 x^3}{3 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}-4 \int \frac {x^2}{\left (c+a^2 c x^2\right )^{5/2} \sqrt {\arctan (a x)}} \, dx-\frac {16}{3} \int \frac {x^2}{\left (c+a^2 c x^2\right )^{5/2} \sqrt {\arctan (a x)}} \, dx+\frac {8 \int \frac {1}{\left (c+a^2 c x^2\right )^{5/2} \sqrt {\arctan (a x)}} \, dx}{3 a^2} \\ & = -\frac {2 x^2}{3 a c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^{3/2}}-\frac {8 x}{3 a^2 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}+\frac {4 x^3}{3 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}-\frac {\left (4 \sqrt {1+a^2 x^2}\right ) \int \frac {x^2}{\left (1+a^2 x^2\right )^{5/2} \sqrt {\arctan (a x)}} \, dx}{c^2 \sqrt {c+a^2 c x^2}}-\frac {\left (16 \sqrt {1+a^2 x^2}\right ) \int \frac {x^2}{\left (1+a^2 x^2\right )^{5/2} \sqrt {\arctan (a x)}} \, dx}{3 c^2 \sqrt {c+a^2 c x^2}}+\frac {\left (8 \sqrt {1+a^2 x^2}\right ) \int \frac {1}{\left (1+a^2 x^2\right )^{5/2} \sqrt {\arctan (a x)}} \, dx}{3 a^2 c^2 \sqrt {c+a^2 c x^2}} \\ & = -\frac {2 x^2}{3 a c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^{3/2}}-\frac {8 x}{3 a^2 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}+\frac {4 x^3}{3 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}+\frac {\left (8 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {\cos ^3(x)}{\sqrt {x}} \, dx,x,\arctan (a x)\right )}{3 a^3 c^2 \sqrt {c+a^2 c x^2}}-\frac {\left (4 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {\cos (x) \sin ^2(x)}{\sqrt {x}} \, dx,x,\arctan (a x)\right )}{a^3 c^2 \sqrt {c+a^2 c x^2}}-\frac {\left (16 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {\cos (x) \sin ^2(x)}{\sqrt {x}} \, dx,x,\arctan (a x)\right )}{3 a^3 c^2 \sqrt {c+a^2 c x^2}} \\ & = -\frac {2 x^2}{3 a c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^{3/2}}-\frac {8 x}{3 a^2 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}+\frac {4 x^3}{3 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}+\frac {\left (8 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \left (\frac {3 \cos (x)}{4 \sqrt {x}}+\frac {\cos (3 x)}{4 \sqrt {x}}\right ) \, dx,x,\arctan (a x)\right )}{3 a^3 c^2 \sqrt {c+a^2 c x^2}}-\frac {\left (4 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \left (\frac {\cos (x)}{4 \sqrt {x}}-\frac {\cos (3 x)}{4 \sqrt {x}}\right ) \, dx,x,\arctan (a x)\right )}{a^3 c^2 \sqrt {c+a^2 c x^2}}-\frac {\left (16 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \left (\frac {\cos (x)}{4 \sqrt {x}}-\frac {\cos (3 x)}{4 \sqrt {x}}\right ) \, dx,x,\arctan (a x)\right )}{3 a^3 c^2 \sqrt {c+a^2 c x^2}} \\ & = -\frac {2 x^2}{3 a c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^{3/2}}-\frac {8 x}{3 a^2 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}+\frac {4 x^3}{3 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}+\frac {\left (2 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {\cos (3 x)}{\sqrt {x}} \, dx,x,\arctan (a x)\right )}{3 a^3 c^2 \sqrt {c+a^2 c x^2}}-\frac {\sqrt {1+a^2 x^2} \text {Subst}\left (\int \frac {\cos (x)}{\sqrt {x}} \, dx,x,\arctan (a x)\right )}{a^3 c^2 \sqrt {c+a^2 c x^2}}+\frac {\sqrt {1+a^2 x^2} \text {Subst}\left (\int \frac {\cos (3 x)}{\sqrt {x}} \, dx,x,\arctan (a x)\right )}{a^3 c^2 \sqrt {c+a^2 c x^2}}-\frac {\left (4 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {\cos (x)}{\sqrt {x}} \, dx,x,\arctan (a x)\right )}{3 a^3 c^2 \sqrt {c+a^2 c x^2}}+\frac {\left (4 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {\cos (3 x)}{\sqrt {x}} \, dx,x,\arctan (a x)\right )}{3 a^3 c^2 \sqrt {c+a^2 c x^2}}+\frac {\left (2 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {\cos (x)}{\sqrt {x}} \, dx,x,\arctan (a x)\right )}{a^3 c^2 \sqrt {c+a^2 c x^2}} \\ & = -\frac {2 x^2}{3 a c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^{3/2}}-\frac {8 x}{3 a^2 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}+\frac {4 x^3}{3 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}+\frac {\left (4 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \cos \left (3 x^2\right ) \, dx,x,\sqrt {\arctan (a x)}\right )}{3 a^3 c^2 \sqrt {c+a^2 c x^2}}-\frac {\left (2 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \cos \left (x^2\right ) \, dx,x,\sqrt {\arctan (a x)}\right )}{a^3 c^2 \sqrt {c+a^2 c x^2}}+\frac {\left (2 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \cos \left (3 x^2\right ) \, dx,x,\sqrt {\arctan (a x)}\right )}{a^3 c^2 \sqrt {c+a^2 c x^2}}-\frac {\left (8 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \cos \left (x^2\right ) \, dx,x,\sqrt {\arctan (a x)}\right )}{3 a^3 c^2 \sqrt {c+a^2 c x^2}}+\frac {\left (8 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \cos \left (3 x^2\right ) \, dx,x,\sqrt {\arctan (a x)}\right )}{3 a^3 c^2 \sqrt {c+a^2 c x^2}}+\frac {\left (4 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \cos \left (x^2\right ) \, dx,x,\sqrt {\arctan (a x)}\right )}{a^3 c^2 \sqrt {c+a^2 c x^2}} \\ & = -\frac {2 x^2}{3 a c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^{3/2}}-\frac {8 x}{3 a^2 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}+\frac {4 x^3}{3 c \left (c+a^2 c x^2\right )^{3/2} \sqrt {\arctan (a x)}}-\frac {\sqrt {2 \pi } \sqrt {1+a^2 x^2} \operatorname {FresnelC}\left (\sqrt {\frac {2}{\pi }} \sqrt {\arctan (a x)}\right )}{3 a^3 c^2 \sqrt {c+a^2 c x^2}}+\frac {\sqrt {6 \pi } \sqrt {1+a^2 x^2} \operatorname {FresnelC}\left (\sqrt {\frac {6}{\pi }} \sqrt {\arctan (a x)}\right )}{a^3 c^2 \sqrt {c+a^2 c x^2}} \\ \end{align*}
Result contains complex when optimal does not.
Time = 0.66 (sec) , antiderivative size = 311, normalized size of antiderivative = 1.39 \[ \int \frac {x^2}{\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^{5/2}} \, dx=\frac {-\left (1+a^2 x^2\right )^{3/2} (-i \arctan (a x))^{3/2} \Gamma \left (\frac {1}{2},-i \arctan (a x)\right )+\frac {-4 a^2 x^2 \sqrt {i \arctan (a x)}+16 i a x (i \arctan (a x))^{3/2}-8 i a^3 x^3 (i \arctan (a x))^{3/2}+\left (1+a^2 x^2\right )^{3/2} \arctan (a x)^2 \Gamma \left (\frac {1}{2},i \arctan (a x)\right )-3 i \sqrt {3} \left (1+a^2 x^2\right )^{3/2} \arctan (a x) \sqrt {\arctan (a x)^2} \Gamma \left (\frac {1}{2},-3 i \arctan (a x)\right )-3 \sqrt {3+3 a^2 x^2} \arctan (a x)^2 \Gamma \left (\frac {1}{2},3 i \arctan (a x)\right )-3 a^2 x^2 \sqrt {3+3 a^2 x^2} \arctan (a x)^2 \Gamma \left (\frac {1}{2},3 i \arctan (a x)\right )}{\sqrt {i \arctan (a x)}}}{6 a^3 c^2 \left (1+a^2 x^2\right ) \sqrt {c+a^2 c x^2} \arctan (a x)^{3/2}} \]
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\[\int \frac {x^{2}}{\left (a^{2} c \,x^{2}+c \right )^{\frac {5}{2}} \arctan \left (a x \right )^{\frac {5}{2}}}d x\]
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Exception generated. \[ \int \frac {x^2}{\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^{5/2}} \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \frac {x^2}{\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^{5/2}} \, dx=\text {Timed out} \]
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Exception generated. \[ \int \frac {x^2}{\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^{5/2}} \, dx=\text {Exception raised: RuntimeError} \]
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Timed out. \[ \int \frac {x^2}{\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^{5/2}} \, dx=\text {Timed out} \]
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Timed out. \[ \int \frac {x^2}{\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^{5/2}} \, dx=\int \frac {x^2}{{\mathrm {atan}\left (a\,x\right )}^{5/2}\,{\left (c\,a^2\,x^2+c\right )}^{5/2}} \,d x \]
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