Integrand size = 24, antiderivative size = 24 \[ \int \frac {1}{x^4 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2} \, dx=-\frac {a^3}{c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}-\frac {2 a^3}{c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}-\frac {11 a^3 \sqrt {1+a^2 x^2} \text {Si}(\arctan (a x))}{4 c^2 \sqrt {c+a^2 c x^2}}-\frac {3 a^3 \sqrt {1+a^2 x^2} \text {Si}(3 \arctan (a x))}{4 c^2 \sqrt {c+a^2 c x^2}}+\frac {\text {Int}\left (\frac {1}{x^4 \sqrt {c+a^2 c x^2} \arctan (a x)^2},x\right )}{c^2}-\frac {2 a^2 \text {Int}\left (\frac {1}{x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^2},x\right )}{c^2} \]
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Not integrable
Time = 1.07 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00, number of steps used = 0, number of rules used = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \[ \int \frac {1}{x^4 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2} \, dx=\int \frac {1}{x^4 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = -\left (a^2 \int \frac {1}{x^2 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2} \, dx\right )+\frac {\int \frac {1}{x^4 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2} \, dx}{c} \\ & = a^4 \int \frac {1}{\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2} \, dx+\frac {\int \frac {1}{x^4 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c^2}-2 \frac {a^2 \int \frac {1}{x^2 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2} \, dx}{c} \\ & = -\frac {a^3}{c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}-\left (3 a^5\right ) \int \frac {x}{\left (c+a^2 c x^2\right )^{5/2} \arctan (a x)} \, dx+\frac {\int \frac {1}{x^4 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c^2}-2 \left (\frac {a^2 \int \frac {1}{x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c^2}-\frac {a^4 \int \frac {1}{\left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2} \, dx}{c}\right ) \\ & = -\frac {a^3}{c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}+\frac {\int \frac {1}{x^4 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c^2}-2 \left (\frac {a^3}{c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}+\frac {a^2 \int \frac {1}{x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c^2}+\frac {a^5 \int \frac {x}{\left (c+a^2 c x^2\right )^{3/2} \arctan (a x)} \, dx}{c}\right )-\frac {\left (3 a^5 \sqrt {1+a^2 x^2}\right ) \int \frac {x}{\left (1+a^2 x^2\right )^{5/2} \arctan (a x)} \, dx}{c^2 \sqrt {c+a^2 c x^2}} \\ & = -\frac {a^3}{c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}+\frac {\int \frac {1}{x^4 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c^2}-\frac {\left (3 a^3 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {\cos ^2(x) \sin (x)}{x} \, dx,x,\arctan (a x)\right )}{c^2 \sqrt {c+a^2 c x^2}}-2 \left (\frac {a^3}{c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}+\frac {a^2 \int \frac {1}{x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c^2}+\frac {\left (a^5 \sqrt {1+a^2 x^2}\right ) \int \frac {x}{\left (1+a^2 x^2\right )^{3/2} \arctan (a x)} \, dx}{c^2 \sqrt {c+a^2 c x^2}}\right ) \\ & = -\frac {a^3}{c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}+\frac {\int \frac {1}{x^4 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c^2}-2 \left (\frac {a^3}{c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}+\frac {a^2 \int \frac {1}{x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c^2}+\frac {\left (a^3 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {\sin (x)}{x} \, dx,x,\arctan (a x)\right )}{c^2 \sqrt {c+a^2 c x^2}}\right )-\frac {\left (3 a^3 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \left (\frac {\sin (x)}{4 x}+\frac {\sin (3 x)}{4 x}\right ) \, dx,x,\arctan (a x)\right )}{c^2 \sqrt {c+a^2 c x^2}} \\ & = -\frac {a^3}{c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}+\frac {\int \frac {1}{x^4 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c^2}-2 \left (\frac {a^3}{c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}+\frac {a^3 \sqrt {1+a^2 x^2} \text {Si}(\arctan (a x))}{c^2 \sqrt {c+a^2 c x^2}}+\frac {a^2 \int \frac {1}{x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c^2}\right )-\frac {\left (3 a^3 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {\sin (x)}{x} \, dx,x,\arctan (a x)\right )}{4 c^2 \sqrt {c+a^2 c x^2}}-\frac {\left (3 a^3 \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {\sin (3 x)}{x} \, dx,x,\arctan (a x)\right )}{4 c^2 \sqrt {c+a^2 c x^2}} \\ & = -\frac {a^3}{c \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)}-\frac {3 a^3 \sqrt {1+a^2 x^2} \text {Si}(\arctan (a x))}{4 c^2 \sqrt {c+a^2 c x^2}}-\frac {3 a^3 \sqrt {1+a^2 x^2} \text {Si}(3 \arctan (a x))}{4 c^2 \sqrt {c+a^2 c x^2}}+\frac {\int \frac {1}{x^4 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c^2}-2 \left (\frac {a^3}{c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}+\frac {a^3 \sqrt {1+a^2 x^2} \text {Si}(\arctan (a x))}{c^2 \sqrt {c+a^2 c x^2}}+\frac {a^2 \int \frac {1}{x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c^2}\right ) \\ \end{align*}
Not integrable
Time = 7.73 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.08 \[ \int \frac {1}{x^4 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2} \, dx=\int \frac {1}{x^4 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2} \, dx \]
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Not integrable
Time = 33.28 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.92
\[\int \frac {1}{x^{4} \left (a^{2} c \,x^{2}+c \right )^{\frac {5}{2}} \arctan \left (a x \right )^{2}}d x\]
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Not integrable
Time = 0.24 (sec) , antiderivative size = 63, normalized size of antiderivative = 2.62 \[ \int \frac {1}{x^4 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2} \, dx=\int { \frac {1}{{\left (a^{2} c x^{2} + c\right )}^{\frac {5}{2}} x^{4} \arctan \left (a x\right )^{2}} \,d x } \]
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Not integrable
Time = 31.37 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.08 \[ \int \frac {1}{x^4 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2} \, dx=\int \frac {1}{x^{4} \left (c \left (a^{2} x^{2} + 1\right )\right )^{\frac {5}{2}} \operatorname {atan}^{2}{\left (a x \right )}}\, dx \]
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Not integrable
Time = 0.41 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {1}{x^4 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2} \, dx=\int { \frac {1}{{\left (a^{2} c x^{2} + c\right )}^{\frac {5}{2}} x^{4} \arctan \left (a x\right )^{2}} \,d x } \]
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Not integrable
Time = 126.88 (sec) , antiderivative size = 3, normalized size of antiderivative = 0.12 \[ \int \frac {1}{x^4 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2} \, dx=\int { \frac {1}{{\left (a^{2} c x^{2} + c\right )}^{\frac {5}{2}} x^{4} \arctan \left (a x\right )^{2}} \,d x } \]
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Not integrable
Time = 0.50 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {1}{x^4 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^2} \, dx=\int \frac {1}{x^4\,{\mathrm {atan}\left (a\,x\right )}^2\,{\left (c\,a^2\,x^2+c\right )}^{5/2}} \,d x \]
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