Integrand size = 23, antiderivative size = 423 \[ \int \frac {a+b \arctan (c x)}{x^4 \left (d+e x^2\right )^{5/2}} \, dx=-\frac {b c e}{2 d^3 \sqrt {d+e x^2}}+\frac {16 b e^2}{3 c d^4 \sqrt {d+e x^2}}-\frac {b c \left (c^2 d+6 e\right )}{3 d^3 \sqrt {d+e x^2}}+\frac {b \left (c^2 d-2 e\right ) \left (c^4 d^2+8 c^2 d e-8 e^2\right )}{3 c d^4 \left (c^2 d-e\right ) \sqrt {d+e x^2}}-\frac {b c}{6 d^2 x^2 \sqrt {d+e x^2}}-\frac {a+b \arctan (c x)}{3 d x^3 \left (d+e x^2\right )^{3/2}}+\frac {2 e (a+b \arctan (c x))}{d^2 x \left (d+e x^2\right )^{3/2}}+\frac {8 e^2 x (a+b \arctan (c x))}{3 d^3 \left (d+e x^2\right )^{3/2}}+\frac {16 e^2 x (a+b \arctan (c x))}{3 d^4 \sqrt {d+e x^2}}+\frac {b c e \text {arctanh}\left (\frac {\sqrt {d+e x^2}}{\sqrt {d}}\right )}{2 d^{7/2}}+\frac {b c \left (c^2 d+6 e\right ) \text {arctanh}\left (\frac {\sqrt {d+e x^2}}{\sqrt {d}}\right )}{3 d^{7/2}}-\frac {b \left (c^2 d-2 e\right ) \left (c^4 d^2+8 c^2 d e-8 e^2\right ) \text {arctanh}\left (\frac {c \sqrt {d+e x^2}}{\sqrt {c^2 d-e}}\right )}{3 d^4 \left (c^2 d-e\right )^{3/2}} \]
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Time = 0.74 (sec) , antiderivative size = 423, normalized size of antiderivative = 1.00, number of steps used = 18, number of rules used = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.565, Rules used = {277, 198, 197, 5096, 12, 6857, 272, 44, 53, 65, 214, 267, 455} \[ \int \frac {a+b \arctan (c x)}{x^4 \left (d+e x^2\right )^{5/2}} \, dx=\frac {16 e^2 x (a+b \arctan (c x))}{3 d^4 \sqrt {d+e x^2}}+\frac {8 e^2 x (a+b \arctan (c x))}{3 d^3 \left (d+e x^2\right )^{3/2}}+\frac {2 e (a+b \arctan (c x))}{d^2 x \left (d+e x^2\right )^{3/2}}-\frac {a+b \arctan (c x)}{3 d x^3 \left (d+e x^2\right )^{3/2}}+\frac {b c \left (c^2 d+6 e\right ) \text {arctanh}\left (\frac {\sqrt {d+e x^2}}{\sqrt {d}}\right )}{3 d^{7/2}}-\frac {b \left (c^2 d-2 e\right ) \left (c^4 d^2+8 c^2 d e-8 e^2\right ) \text {arctanh}\left (\frac {c \sqrt {d+e x^2}}{\sqrt {c^2 d-e}}\right )}{3 d^4 \left (c^2 d-e\right )^{3/2}}+\frac {b c e \text {arctanh}\left (\frac {\sqrt {d+e x^2}}{\sqrt {d}}\right )}{2 d^{7/2}}-\frac {b c \left (c^2 d+6 e\right )}{3 d^3 \sqrt {d+e x^2}}+\frac {b \left (c^2 d-2 e\right ) \left (c^4 d^2+8 c^2 d e-8 e^2\right )}{3 c d^4 \left (c^2 d-e\right ) \sqrt {d+e x^2}}+\frac {16 b e^2}{3 c d^4 \sqrt {d+e x^2}}-\frac {b c e}{2 d^3 \sqrt {d+e x^2}}-\frac {b c}{6 d^2 x^2 \sqrt {d+e x^2}} \]
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Rule 12
Rule 44
Rule 53
Rule 65
Rule 197
Rule 198
Rule 214
Rule 267
Rule 272
Rule 277
Rule 455
Rule 5096
Rule 6857
Rubi steps \begin{align*} \text {integral}& = -\frac {a+b \arctan (c x)}{3 d x^3 \left (d+e x^2\right )^{3/2}}+\frac {2 e (a+b \arctan (c x))}{d^2 x \left (d+e x^2\right )^{3/2}}+\frac {8 e^2 x (a+b \arctan (c x))}{3 d^3 \left (d+e x^2\right )^{3/2}}+\frac {16 e^2 x (a+b \arctan (c x))}{3 d^4 \sqrt {d+e x^2}}-(b c) \int \frac {-d^3+6 d^2 e x^2+24 d e^2 x^4+16 e^3 x^6}{3 d^4 x^3 \left (1+c^2 x^2\right ) \left (d+e x^2\right )^{3/2}} \, dx \\ & = -\frac {a+b \arctan (c x)}{3 d x^3 \left (d+e x^2\right )^{3/2}}+\frac {2 e (a+b \arctan (c x))}{d^2 x \left (d+e x^2\right )^{3/2}}+\frac {8 e^2 x (a+b \arctan (c x))}{3 d^3 \left (d+e x^2\right )^{3/2}}+\frac {16 e^2 x (a+b \arctan (c x))}{3 d^4 \sqrt {d+e x^2}}-\frac {(b c) \int \frac {-d^3+6 d^2 e x^2+24 d e^2 x^4+16 e^3 x^6}{x^3 \left (1+c^2 x^2\right ) \left (d+e x^2\right )^{3/2}} \, dx}{3 d^4} \\ & = -\frac {a+b \arctan (c x)}{3 d x^3 \left (d+e x^2\right )^{3/2}}+\frac {2 e (a+b \arctan (c x))}{d^2 x \left (d+e x^2\right )^{3/2}}+\frac {8 e^2 x (a+b \arctan (c x))}{3 d^3 \left (d+e x^2\right )^{3/2}}+\frac {16 e^2 x (a+b \arctan (c x))}{3 d^4 \sqrt {d+e x^2}}-\frac {(b c) \int \left (-\frac {d^3}{x^3 \left (d+e x^2\right )^{3/2}}+\frac {d^2 \left (c^2 d+6 e\right )}{x \left (d+e x^2\right )^{3/2}}+\frac {16 e^3 x}{c^2 \left (d+e x^2\right )^{3/2}}+\frac {\left (c^2 d-2 e\right ) \left (-c^4 d^2-8 c^2 d e+8 e^2\right ) x}{c^2 \left (1+c^2 x^2\right ) \left (d+e x^2\right )^{3/2}}\right ) \, dx}{3 d^4} \\ & = -\frac {a+b \arctan (c x)}{3 d x^3 \left (d+e x^2\right )^{3/2}}+\frac {2 e (a+b \arctan (c x))}{d^2 x \left (d+e x^2\right )^{3/2}}+\frac {8 e^2 x (a+b \arctan (c x))}{3 d^3 \left (d+e x^2\right )^{3/2}}+\frac {16 e^2 x (a+b \arctan (c x))}{3 d^4 \sqrt {d+e x^2}}+\frac {(b c) \int \frac {1}{x^3 \left (d+e x^2\right )^{3/2}} \, dx}{3 d}-\frac {\left (16 b e^3\right ) \int \frac {x}{\left (d+e x^2\right )^{3/2}} \, dx}{3 c d^4}-\frac {\left (b c \left (c^2 d+6 e\right )\right ) \int \frac {1}{x \left (d+e x^2\right )^{3/2}} \, dx}{3 d^2}+\frac {\left (b \left (c^2 d-2 e\right ) \left (c^4 d^2+8 c^2 d e-8 e^2\right )\right ) \int \frac {x}{\left (1+c^2 x^2\right ) \left (d+e x^2\right )^{3/2}} \, dx}{3 c d^4} \\ & = \frac {16 b e^2}{3 c d^4 \sqrt {d+e x^2}}-\frac {a+b \arctan (c x)}{3 d x^3 \left (d+e x^2\right )^{3/2}}+\frac {2 e (a+b \arctan (c x))}{d^2 x \left (d+e x^2\right )^{3/2}}+\frac {8 e^2 x (a+b \arctan (c x))}{3 d^3 \left (d+e x^2\right )^{3/2}}+\frac {16 e^2 x (a+b \arctan (c x))}{3 d^4 \sqrt {d+e x^2}}+\frac {(b c) \text {Subst}\left (\int \frac {1}{x^2 (d+e x)^{3/2}} \, dx,x,x^2\right )}{6 d}-\frac {\left (b c \left (c^2 d+6 e\right )\right ) \text {Subst}\left (\int \frac {1}{x (d+e x)^{3/2}} \, dx,x,x^2\right )}{6 d^2}+\frac {\left (b \left (c^2 d-2 e\right ) \left (c^4 d^2+8 c^2 d e-8 e^2\right )\right ) \text {Subst}\left (\int \frac {1}{\left (1+c^2 x\right ) (d+e x)^{3/2}} \, dx,x,x^2\right )}{6 c d^4} \\ & = \frac {16 b e^2}{3 c d^4 \sqrt {d+e x^2}}-\frac {b c \left (c^2 d+6 e\right )}{3 d^3 \sqrt {d+e x^2}}+\frac {b \left (c^2 d-2 e\right ) \left (c^4 d^2+8 c^2 d e-8 e^2\right )}{3 c d^4 \left (c^2 d-e\right ) \sqrt {d+e x^2}}-\frac {b c}{6 d^2 x^2 \sqrt {d+e x^2}}-\frac {a+b \arctan (c x)}{3 d x^3 \left (d+e x^2\right )^{3/2}}+\frac {2 e (a+b \arctan (c x))}{d^2 x \left (d+e x^2\right )^{3/2}}+\frac {8 e^2 x (a+b \arctan (c x))}{3 d^3 \left (d+e x^2\right )^{3/2}}+\frac {16 e^2 x (a+b \arctan (c x))}{3 d^4 \sqrt {d+e x^2}}-\frac {(b c e) \text {Subst}\left (\int \frac {1}{x (d+e x)^{3/2}} \, dx,x,x^2\right )}{4 d^2}-\frac {\left (b c \left (c^2 d+6 e\right )\right ) \text {Subst}\left (\int \frac {1}{x \sqrt {d+e x}} \, dx,x,x^2\right )}{6 d^3}+\frac {\left (b c \left (c^2 d-2 e\right ) \left (c^4 d^2+8 c^2 d e-8 e^2\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^4 \left (c^2 d-e\right )} \\ & = -\frac {b c e}{2 d^3 \sqrt {d+e x^2}}+\frac {16 b e^2}{3 c d^4 \sqrt {d+e x^2}}-\frac {b c \left (c^2 d+6 e\right )}{3 d^3 \sqrt {d+e x^2}}+\frac {b \left (c^2 d-2 e\right ) \left (c^4 d^2+8 c^2 d e-8 e^2\right )}{3 c d^4 \left (c^2 d-e\right ) \sqrt {d+e x^2}}-\frac {b c}{6 d^2 x^2 \sqrt {d+e x^2}}-\frac {a+b \arctan (c x)}{3 d x^3 \left (d+e x^2\right )^{3/2}}+\frac {2 e (a+b \arctan (c x))}{d^2 x \left (d+e x^2\right )^{3/2}}+\frac {8 e^2 x (a+b \arctan (c x))}{3 d^3 \left (d+e x^2\right )^{3/2}}+\frac {16 e^2 x (a+b \arctan (c x))}{3 d^4 \sqrt {d+e x^2}}-\frac {(b c e) \text {Subst}\left (\int \frac {1}{x \sqrt {d+e x}} \, dx,x,x^2\right )}{4 d^3}-\frac {\left (b c \left (c^2 d+6 e\right )\right ) \text {Subst}\left (\int \frac {1}{-\frac {d}{e}+\frac {x^2}{e}} \, dx,x,\sqrt {d+e x^2}\right )}{3 d^3 e}+\frac {\left (b c \left (c^2 d-2 e\right ) \left (c^4 d^2+8 c^2 d e-8 e^2\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^4 \left (c^2 d-e\right ) e} \\ & = -\frac {b c e}{2 d^3 \sqrt {d+e x^2}}+\frac {16 b e^2}{3 c d^4 \sqrt {d+e x^2}}-\frac {b c \left (c^2 d+6 e\right )}{3 d^3 \sqrt {d+e x^2}}+\frac {b \left (c^2 d-2 e\right ) \left (c^4 d^2+8 c^2 d e-8 e^2\right )}{3 c d^4 \left (c^2 d-e\right ) \sqrt {d+e x^2}}-\frac {b c}{6 d^2 x^2 \sqrt {d+e x^2}}-\frac {a+b \arctan (c x)}{3 d x^3 \left (d+e x^2\right )^{3/2}}+\frac {2 e (a+b \arctan (c x))}{d^2 x \left (d+e x^2\right )^{3/2}}+\frac {8 e^2 x (a+b \arctan (c x))}{3 d^3 \left (d+e x^2\right )^{3/2}}+\frac {16 e^2 x (a+b \arctan (c x))}{3 d^4 \sqrt {d+e x^2}}+\frac {b c \left (c^2 d+6 e\right ) \text {arctanh}\left (\frac {\sqrt {d+e x^2}}{\sqrt {d}}\right )}{3 d^{7/2}}-\frac {b \left (c^2 d-2 e\right ) \left (c^4 d^2+8 c^2 d e-8 e^2\right ) \text {arctanh}\left (\frac {c \sqrt {d+e x^2}}{\sqrt {c^2 d-e}}\right )}{3 d^4 \left (c^2 d-e\right )^{3/2}}-\frac {(b c) \text {Subst}\left (\int \frac {1}{-\frac {d}{e}+\frac {x^2}{e}} \, dx,x,\sqrt {d+e x^2}\right )}{2 d^3} \\ & = -\frac {b c e}{2 d^3 \sqrt {d+e x^2}}+\frac {16 b e^2}{3 c d^4 \sqrt {d+e x^2}}-\frac {b c \left (c^2 d+6 e\right )}{3 d^3 \sqrt {d+e x^2}}+\frac {b \left (c^2 d-2 e\right ) \left (c^4 d^2+8 c^2 d e-8 e^2\right )}{3 c d^4 \left (c^2 d-e\right ) \sqrt {d+e x^2}}-\frac {b c}{6 d^2 x^2 \sqrt {d+e x^2}}-\frac {a+b \arctan (c x)}{3 d x^3 \left (d+e x^2\right )^{3/2}}+\frac {2 e (a+b \arctan (c x))}{d^2 x \left (d+e x^2\right )^{3/2}}+\frac {8 e^2 x (a+b \arctan (c x))}{3 d^3 \left (d+e x^2\right )^{3/2}}+\frac {16 e^2 x (a+b \arctan (c x))}{3 d^4 \sqrt {d+e x^2}}+\frac {b c e \text {arctanh}\left (\frac {\sqrt {d+e x^2}}{\sqrt {d}}\right )}{2 d^{7/2}}+\frac {b c \left (c^2 d+6 e\right ) \text {arctanh}\left (\frac {\sqrt {d+e x^2}}{\sqrt {d}}\right )}{3 d^{7/2}}-\frac {b \left (c^2 d-2 e\right ) \left (c^4 d^2+8 c^2 d e-8 e^2\right ) \text {arctanh}\left (\frac {c \sqrt {d+e x^2}}{\sqrt {c^2 d-e}}\right )}{3 d^4 \left (c^2 d-e\right )^{3/2}} \\ \end{align*}
Result contains complex when optimal does not.
Time = 1.31 (sec) , antiderivative size = 510, normalized size of antiderivative = 1.21 \[ \int \frac {a+b \arctan (c x)}{x^4 \left (d+e x^2\right )^{5/2}} \, dx=-\frac {\frac {2 a \left (d^3-6 d^2 e x^2-24 d e^2 x^4-16 e^3 x^6\right )}{x^3 \left (d+e x^2\right )^{3/2}}+\frac {b c d \left (e \left (-d+e x^2\right )+c^2 d \left (d+e x^2\right )\right )}{\left (c^2 d-e\right ) x^2 \sqrt {d+e x^2}}+\frac {2 b \left (d^3-6 d^2 e x^2-24 d e^2 x^4-16 e^3 x^6\right ) \arctan (c x)}{x^3 \left (d+e x^2\right )^{3/2}}+b c \sqrt {d} \left (2 c^2 d+15 e\right ) \log (x)-b c \sqrt {d} \left (2 c^2 d+15 e\right ) \log \left (d+\sqrt {d} \sqrt {d+e x^2}\right )+\frac {b \left (c^6 d^3+6 c^4 d^2 e-24 c^2 d e^2+16 e^3\right ) \log \left (\frac {12 c d^4 \sqrt {c^2 d-e} \left (c d-i e x+\sqrt {c^2 d-e} \sqrt {d+e x^2}\right )}{b \left (c^6 d^3+6 c^4 d^2 e-24 c^2 d e^2+16 e^3\right ) (i+c x)}\right )}{\left (c^2 d-e\right )^{3/2}}+\frac {b \left (c^6 d^3+6 c^4 d^2 e-24 c^2 d e^2+16 e^3\right ) \log \left (\frac {12 c d^4 \sqrt {c^2 d-e} \left (c d+i e x+\sqrt {c^2 d-e} \sqrt {d+e x^2}\right )}{b \left (c^6 d^3+6 c^4 d^2 e-24 c^2 d e^2+16 e^3\right ) (-i+c x)}\right )}{\left (c^2 d-e\right )^{3/2}}}{6 d^4} \]
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\[\int \frac {a +b \arctan \left (c x \right )}{x^{4} \left (e \,x^{2}+d \right )^{\frac {5}{2}}}d x\]
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Leaf count of result is larger than twice the leaf count of optimal. 837 vs. \(2 (365) = 730\).
Time = 1.77 (sec) , antiderivative size = 3460, normalized size of antiderivative = 8.18 \[ \int \frac {a+b \arctan (c x)}{x^4 \left (d+e x^2\right )^{5/2}} \, dx=\text {Too large to display} \]
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Timed out. \[ \int \frac {a+b \arctan (c x)}{x^4 \left (d+e x^2\right )^{5/2}} \, dx=\text {Timed out} \]
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Exception generated. \[ \int \frac {a+b \arctan (c x)}{x^4 \left (d+e x^2\right )^{5/2}} \, dx=\text {Exception raised: ValueError} \]
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\[ \int \frac {a+b \arctan (c x)}{x^4 \left (d+e x^2\right )^{5/2}} \, dx=\int { \frac {b \arctan \left (c x\right ) + a}{{\left (e x^{2} + d\right )}^{\frac {5}{2}} x^{4}} \,d x } \]
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Timed out. \[ \int \frac {a+b \arctan (c x)}{x^4 \left (d+e x^2\right )^{5/2}} \, dx=\int \frac {a+b\,\mathrm {atan}\left (c\,x\right )}{x^4\,{\left (e\,x^2+d\right )}^{5/2}} \,d x \]
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