Integrand size = 20, antiderivative size = 144 \[ \int \frac {a+b \arctan (c x)}{\left (d+e x^2\right )^{5/2}} \, dx=-\frac {b c}{3 d \left (c^2 d-e\right ) \sqrt {d+e x^2}}+\frac {x (a+b \arctan (c x))}{3 d \left (d+e x^2\right )^{3/2}}+\frac {2 x (a+b \arctan (c x))}{3 d^2 \sqrt {d+e x^2}}+\frac {b \left (3 c^2 d-2 e\right ) \text {arctanh}\left (\frac {c \sqrt {d+e x^2}}{\sqrt {c^2 d-e}}\right )}{3 d^2 \left (c^2 d-e\right )^{3/2}} \]
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Time = 0.22 (sec) , antiderivative size = 144, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.450, Rules used = {198, 197, 5032, 6820, 12, 585, 79, 65, 214} \[ \int \frac {a+b \arctan (c x)}{\left (d+e x^2\right )^{5/2}} \, dx=\frac {2 x (a+b \arctan (c x))}{3 d^2 \sqrt {d+e x^2}}+\frac {x (a+b \arctan (c x))}{3 d \left (d+e x^2\right )^{3/2}}+\frac {b \left (3 c^2 d-2 e\right ) \text {arctanh}\left (\frac {c \sqrt {d+e x^2}}{\sqrt {c^2 d-e}}\right )}{3 d^2 \left (c^2 d-e\right )^{3/2}}-\frac {b c}{3 d \left (c^2 d-e\right ) \sqrt {d+e x^2}} \]
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Rule 12
Rule 65
Rule 79
Rule 197
Rule 198
Rule 214
Rule 585
Rule 5032
Rule 6820
Rubi steps \begin{align*} \text {integral}& = \frac {x (a+b \arctan (c x))}{3 d \left (d+e x^2\right )^{3/2}}+\frac {2 x (a+b \arctan (c x))}{3 d^2 \sqrt {d+e x^2}}-(b c) \int \frac {\frac {x}{3 d \left (d+e x^2\right )^{3/2}}+\frac {2 x}{3 d^2 \sqrt {d+e x^2}}}{1+c^2 x^2} \, dx \\ & = \frac {x (a+b \arctan (c x))}{3 d \left (d+e x^2\right )^{3/2}}+\frac {2 x (a+b \arctan (c x))}{3 d^2 \sqrt {d+e x^2}}-(b c) \int \frac {x \left (3 d+2 e x^2\right )}{3 d^2 \left (1+c^2 x^2\right ) \left (d+e x^2\right )^{3/2}} \, dx \\ & = \frac {x (a+b \arctan (c x))}{3 d \left (d+e x^2\right )^{3/2}}+\frac {2 x (a+b \arctan (c x))}{3 d^2 \sqrt {d+e x^2}}-\frac {(b c) \int \frac {x \left (3 d+2 e x^2\right )}{\left (1+c^2 x^2\right ) \left (d+e x^2\right )^{3/2}} \, dx}{3 d^2} \\ & = \frac {x (a+b \arctan (c x))}{3 d \left (d+e x^2\right )^{3/2}}+\frac {2 x (a+b \arctan (c x))}{3 d^2 \sqrt {d+e x^2}}-\frac {(b c) \text {Subst}\left (\int \frac {3 d+2 e x}{\left (1+c^2 x\right ) (d+e x)^{3/2}} \, dx,x,x^2\right )}{6 d^2} \\ & = -\frac {b c}{3 d \left (c^2 d-e\right ) \sqrt {d+e x^2}}+\frac {x (a+b \arctan (c x))}{3 d \left (d+e x^2\right )^{3/2}}+\frac {2 x (a+b \arctan (c x))}{3 d^2 \sqrt {d+e x^2}}-\frac {\left (b c \left (3 c^2 d-2 e\right )\right ) \text {Subst}\left (\int \frac {1}{\left (1+c^2 x\right ) \sqrt {d+e x}} \, dx,x,x^2\right )}{6 d^2 \left (c^2 d-e\right )} \\ & = -\frac {b c}{3 d \left (c^2 d-e\right ) \sqrt {d+e x^2}}+\frac {x (a+b \arctan (c x))}{3 d \left (d+e x^2\right )^{3/2}}+\frac {2 x (a+b \arctan (c x))}{3 d^2 \sqrt {d+e x^2}}-\frac {\left (b c \left (3 c^2 d-2 e\right )\right ) \text {Subst}\left (\int \frac {1}{1-\frac {c^2 d}{e}+\frac {c^2 x^2}{e}} \, dx,x,\sqrt {d+e x^2}\right )}{3 d^2 \left (c^2 d-e\right ) e} \\ & = -\frac {b c}{3 d \left (c^2 d-e\right ) \sqrt {d+e x^2}}+\frac {x (a+b \arctan (c x))}{3 d \left (d+e x^2\right )^{3/2}}+\frac {2 x (a+b \arctan (c x))}{3 d^2 \sqrt {d+e x^2}}+\frac {b \left (3 c^2 d-2 e\right ) \text {arctanh}\left (\frac {c \sqrt {d+e x^2}}{\sqrt {c^2 d-e}}\right )}{3 d^2 \left (c^2 d-e\right )^{3/2}} \\ \end{align*}
Result contains complex when optimal does not.
Time = 0.42 (sec) , antiderivative size = 317, normalized size of antiderivative = 2.20 \[ \int \frac {a+b \arctan (c x)}{\left (d+e x^2\right )^{5/2}} \, dx=\frac {2 \sqrt {c^2 d-e} \left (-b c d \left (d+e x^2\right )+a \left (c^2 d-e\right ) x \left (3 d+2 e x^2\right )\right )+2 b \left (c^2 d-e\right )^{3/2} x \left (3 d+2 e x^2\right ) \arctan (c x)+b \left (3 c^2 d-2 e\right ) \left (d+e x^2\right )^{3/2} \log \left (-\frac {12 c d^2 \sqrt {c^2 d-e} \left (c d-i e x+\sqrt {c^2 d-e} \sqrt {d+e x^2}\right )}{b \left (3 c^2 d-2 e\right ) (i+c x)}\right )+b \left (3 c^2 d-2 e\right ) \left (d+e x^2\right )^{3/2} \log \left (-\frac {12 c d^2 \sqrt {c^2 d-e} \left (c d+i e x+\sqrt {c^2 d-e} \sqrt {d+e x^2}\right )}{b \left (3 c^2 d-2 e\right ) (-i+c x)}\right )}{6 d^2 \left (c^2 d-e\right )^{3/2} \left (d+e x^2\right )^{3/2}} \]
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\[\int \frac {a +b \arctan \left (c x \right )}{\left (e \,x^{2}+d \right )^{\frac {5}{2}}}d x\]
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Leaf count of result is larger than twice the leaf count of optimal. 411 vs. \(2 (124) = 248\).
Time = 0.63 (sec) , antiderivative size = 864, normalized size of antiderivative = 6.00 \[ \int \frac {a+b \arctan (c x)}{\left (d+e x^2\right )^{5/2}} \, dx=\left [\frac {{\left (3 \, b c^{2} d^{3} + {\left (3 \, b c^{2} d e^{2} - 2 \, b e^{3}\right )} x^{4} - 2 \, b d^{2} e + 2 \, {\left (3 \, b c^{2} d^{2} e - 2 \, b d e^{2}\right )} x^{2}\right )} \sqrt {c^{2} d - e} \log \left (\frac {c^{4} e^{2} x^{4} + 8 \, c^{4} d^{2} - 8 \, c^{2} d e + 2 \, {\left (4 \, c^{4} d e - 3 \, c^{2} e^{2}\right )} x^{2} + 4 \, {\left (c^{3} e x^{2} + 2 \, c^{3} d - c e\right )} \sqrt {c^{2} d - e} \sqrt {e x^{2} + d} + e^{2}}{c^{4} x^{4} + 2 \, c^{2} x^{2} + 1}\right ) - 4 \, {\left (b c^{3} d^{3} - b c d^{2} e - 2 \, {\left (a c^{4} d^{2} e - 2 \, a c^{2} d e^{2} + a e^{3}\right )} x^{3} + {\left (b c^{3} d^{2} e - b c d e^{2}\right )} x^{2} - 3 \, {\left (a c^{4} d^{3} - 2 \, a c^{2} d^{2} e + a d e^{2}\right )} x - {\left (2 \, {\left (b c^{4} d^{2} e - 2 \, b c^{2} d e^{2} + b e^{3}\right )} x^{3} + 3 \, {\left (b c^{4} d^{3} - 2 \, b c^{2} d^{2} e + b d e^{2}\right )} x\right )} \arctan \left (c x\right )\right )} \sqrt {e x^{2} + d}}{12 \, {\left (c^{4} d^{6} - 2 \, c^{2} d^{5} e + d^{4} e^{2} + {\left (c^{4} d^{4} e^{2} - 2 \, c^{2} d^{3} e^{3} + d^{2} e^{4}\right )} x^{4} + 2 \, {\left (c^{4} d^{5} e - 2 \, c^{2} d^{4} e^{2} + d^{3} e^{3}\right )} x^{2}\right )}}, \frac {{\left (3 \, b c^{2} d^{3} + {\left (3 \, b c^{2} d e^{2} - 2 \, b e^{3}\right )} x^{4} - 2 \, b d^{2} e + 2 \, {\left (3 \, b c^{2} d^{2} e - 2 \, b d e^{2}\right )} x^{2}\right )} \sqrt {-c^{2} d + e} \arctan \left (-\frac {{\left (c^{2} e x^{2} + 2 \, c^{2} d - e\right )} \sqrt {-c^{2} d + e} \sqrt {e x^{2} + d}}{2 \, {\left (c^{3} d^{2} - c d e + {\left (c^{3} d e - c e^{2}\right )} x^{2}\right )}}\right ) - 2 \, {\left (b c^{3} d^{3} - b c d^{2} e - 2 \, {\left (a c^{4} d^{2} e - 2 \, a c^{2} d e^{2} + a e^{3}\right )} x^{3} + {\left (b c^{3} d^{2} e - b c d e^{2}\right )} x^{2} - 3 \, {\left (a c^{4} d^{3} - 2 \, a c^{2} d^{2} e + a d e^{2}\right )} x - {\left (2 \, {\left (b c^{4} d^{2} e - 2 \, b c^{2} d e^{2} + b e^{3}\right )} x^{3} + 3 \, {\left (b c^{4} d^{3} - 2 \, b c^{2} d^{2} e + b d e^{2}\right )} x\right )} \arctan \left (c x\right )\right )} \sqrt {e x^{2} + d}}{6 \, {\left (c^{4} d^{6} - 2 \, c^{2} d^{5} e + d^{4} e^{2} + {\left (c^{4} d^{4} e^{2} - 2 \, c^{2} d^{3} e^{3} + d^{2} e^{4}\right )} x^{4} + 2 \, {\left (c^{4} d^{5} e - 2 \, c^{2} d^{4} e^{2} + d^{3} e^{3}\right )} x^{2}\right )}}\right ] \]
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Timed out. \[ \int \frac {a+b \arctan (c x)}{\left (d+e x^2\right )^{5/2}} \, dx=\text {Timed out} \]
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\[ \int \frac {a+b \arctan (c x)}{\left (d+e x^2\right )^{5/2}} \, dx=\int { \frac {b \arctan \left (c x\right ) + a}{{\left (e x^{2} + d\right )}^{\frac {5}{2}}} \,d x } \]
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\[ \int \frac {a+b \arctan (c x)}{\left (d+e x^2\right )^{5/2}} \, dx=\int { \frac {b \arctan \left (c x\right ) + a}{{\left (e x^{2} + d\right )}^{\frac {5}{2}}} \,d x } \]
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Timed out. \[ \int \frac {a+b \arctan (c x)}{\left (d+e x^2\right )^{5/2}} \, dx=\int \frac {a+b\,\mathrm {atan}\left (c\,x\right )}{{\left (e\,x^2+d\right )}^{5/2}} \,d x \]
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