Integrand size = 21, antiderivative size = 111 \[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))}{x^7} \, dx=-\frac {b c d^2}{30 x^5}+\frac {b c d \left (c^2 d-3 e\right )}{18 x^3}-\frac {b c \left (c^4 d^2-3 c^2 d e+3 e^2\right )}{6 x}-\frac {b \left (c^2 d-e\right )^3 \arctan (c x)}{6 d}-\frac {\left (d+e x^2\right )^3 (a+b \arctan (c x))}{6 d x^6} \]
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Time = 0.10 (sec) , antiderivative size = 111, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.238, Rules used = {270, 5096, 12, 472, 209} \[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))}{x^7} \, dx=-\frac {\left (d+e x^2\right )^3 (a+b \arctan (c x))}{6 d x^6}-\frac {b \arctan (c x) \left (c^2 d-e\right )^3}{6 d}+\frac {b c d \left (c^2 d-3 e\right )}{18 x^3}-\frac {b c \left (c^4 d^2-3 c^2 d e+3 e^2\right )}{6 x}-\frac {b c d^2}{30 x^5} \]
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Rule 12
Rule 209
Rule 270
Rule 472
Rule 5096
Rubi steps \begin{align*} \text {integral}& = -\frac {\left (d+e x^2\right )^3 (a+b \arctan (c x))}{6 d x^6}-(b c) \int \frac {\left (d+e x^2\right )^3}{6 x^6 \left (-d-c^2 d x^2\right )} \, dx \\ & = -\frac {\left (d+e x^2\right )^3 (a+b \arctan (c x))}{6 d x^6}-\frac {1}{6} (b c) \int \frac {\left (d+e x^2\right )^3}{x^6 \left (-d-c^2 d x^2\right )} \, dx \\ & = -\frac {\left (d+e x^2\right )^3 (a+b \arctan (c x))}{6 d x^6}-\frac {1}{6} (b c) \int \left (-\frac {d^2}{x^6}+\frac {d \left (c^2 d-3 e\right )}{x^4}+\frac {-c^4 d^2+3 c^2 d e-3 e^2}{x^2}+\frac {\left (c^2 d-e\right )^3}{d \left (1+c^2 x^2\right )}\right ) \, dx \\ & = -\frac {b c d^2}{30 x^5}+\frac {b c d \left (c^2 d-3 e\right )}{18 x^3}-\frac {b c \left (c^4 d^2-3 c^2 d e+3 e^2\right )}{6 x}-\frac {\left (d+e x^2\right )^3 (a+b \arctan (c x))}{6 d x^6}-\frac {\left (b c \left (c^2 d-e\right )^3\right ) \int \frac {1}{1+c^2 x^2} \, dx}{6 d} \\ & = -\frac {b c d^2}{30 x^5}+\frac {b c d \left (c^2 d-3 e\right )}{18 x^3}-\frac {b c \left (c^4 d^2-3 c^2 d e+3 e^2\right )}{6 x}-\frac {b \left (c^2 d-e\right )^3 \arctan (c x)}{6 d}-\frac {\left (d+e x^2\right )^3 (a+b \arctan (c x))}{6 d x^6} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.
Time = 0.07 (sec) , antiderivative size = 112, normalized size of antiderivative = 1.01 \[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))}{x^7} \, dx=-\frac {b c d^2 x \operatorname {Hypergeometric2F1}\left (-\frac {5}{2},1,-\frac {3}{2},-c^2 x^2\right )+5 \left (\left (d^2+3 d e x^2+3 e^2 x^4\right ) (a+b \arctan (c x))+b c d e x^3 \operatorname {Hypergeometric2F1}\left (-\frac {3}{2},1,-\frac {1}{2},-c^2 x^2\right )+3 b c e^2 x^5 \operatorname {Hypergeometric2F1}\left (-\frac {1}{2},1,\frac {1}{2},-c^2 x^2\right )\right )}{30 x^6} \]
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Time = 0.26 (sec) , antiderivative size = 167, normalized size of antiderivative = 1.50
method | result | size |
parts | \(a \left (-\frac {d^{2}}{6 x^{6}}-\frac {e d}{2 x^{4}}-\frac {e^{2}}{2 x^{2}}\right )+b \,c^{6} \left (-\frac {\arctan \left (c x \right ) d^{2}}{6 c^{6} x^{6}}-\frac {\arctan \left (c x \right ) d e}{2 c^{6} x^{4}}-\frac {\arctan \left (c x \right ) e^{2}}{2 c^{6} x^{2}}-\frac {-\frac {-c^{4} d^{2}+3 c^{2} d e -3 e^{2}}{c x}-\frac {d \left (c^{2} d -3 e \right )}{3 c \,x^{3}}+\frac {d^{2}}{5 c \,x^{5}}+\left (c^{4} d^{2}-3 c^{2} d e +3 e^{2}\right ) \arctan \left (c x \right )}{6 c^{4}}\right )\) | \(167\) |
derivativedivides | \(c^{6} \left (\frac {a \left (-\frac {d^{2}}{6 c^{2} x^{6}}-\frac {d e}{2 c^{2} x^{4}}-\frac {e^{2}}{2 c^{2} x^{2}}\right )}{c^{4}}+\frac {b \left (-\frac {\arctan \left (c x \right ) d^{2}}{6 c^{2} x^{6}}-\frac {\arctan \left (c x \right ) d e}{2 c^{2} x^{4}}-\frac {\arctan \left (c x \right ) e^{2}}{2 c^{2} x^{2}}-\frac {\left (c^{4} d^{2}-3 c^{2} d e +3 e^{2}\right ) \arctan \left (c x \right )}{6}+\frac {-c^{4} d^{2}+3 c^{2} d e -3 e^{2}}{6 c x}+\frac {d \left (c^{2} d -3 e \right )}{18 c \,x^{3}}-\frac {d^{2}}{30 c \,x^{5}}\right )}{c^{4}}\right )\) | \(178\) |
default | \(c^{6} \left (\frac {a \left (-\frac {d^{2}}{6 c^{2} x^{6}}-\frac {d e}{2 c^{2} x^{4}}-\frac {e^{2}}{2 c^{2} x^{2}}\right )}{c^{4}}+\frac {b \left (-\frac {\arctan \left (c x \right ) d^{2}}{6 c^{2} x^{6}}-\frac {\arctan \left (c x \right ) d e}{2 c^{2} x^{4}}-\frac {\arctan \left (c x \right ) e^{2}}{2 c^{2} x^{2}}-\frac {\left (c^{4} d^{2}-3 c^{2} d e +3 e^{2}\right ) \arctan \left (c x \right )}{6}+\frac {-c^{4} d^{2}+3 c^{2} d e -3 e^{2}}{6 c x}+\frac {d \left (c^{2} d -3 e \right )}{18 c \,x^{3}}-\frac {d^{2}}{30 c \,x^{5}}\right )}{c^{4}}\right )\) | \(178\) |
parallelrisch | \(-\frac {15 x^{6} \arctan \left (c x \right ) b \,c^{6} d^{2}-45 x^{6} \arctan \left (c x \right ) b \,c^{4} d e +15 b \,c^{5} d^{2} x^{5}+45 x^{6} \arctan \left (c x \right ) b \,c^{2} e^{2}-45 a \,c^{2} e^{2} x^{6}-45 b \,c^{3} d e \,x^{5}+45 b c \,e^{2} x^{5}-5 x^{3} b \,c^{3} d^{2}+45 x^{4} \arctan \left (c x \right ) b \,e^{2}+45 a \,e^{2} x^{4}+15 b c e d \,x^{3}+45 x^{2} \arctan \left (c x \right ) b d e +45 a d e \,x^{2}+3 b c \,d^{2} x +15 b \,d^{2} \arctan \left (c x \right )+15 d^{2} a}{90 x^{6}}\) | \(186\) |
risch | \(\frac {i b \left (3 x^{4} e^{2}+3 x^{2} e d +d^{2}\right ) \ln \left (i c x +1\right )}{12 x^{6}}-\frac {45 i \ln \left (-c x +i\right ) b \,c^{4} d e \,x^{6}-45 i \ln \left (-c x +i\right ) b \,c^{2} e^{2} x^{6}+15 i \ln \left (-c x -i\right ) b \,c^{6} d^{2} x^{6}-15 i \ln \left (-c x +i\right ) b \,c^{6} d^{2} x^{6}+45 i \ln \left (-c x -i\right ) b \,c^{2} e^{2} x^{6}+45 i b \,e^{2} \ln \left (-i c x +1\right ) x^{4}+30 b \,c^{5} d^{2} x^{5}-90 b \,c^{3} d e \,x^{5}+45 i b d e \ln \left (-i c x +1\right ) x^{2}-10 x^{3} b \,c^{3} d^{2}+90 b c \,e^{2} x^{5}+15 i b \,d^{2} \ln \left (-i c x +1\right )+90 a \,e^{2} x^{4}+30 b c e d \,x^{3}-45 i \ln \left (-c x -i\right ) b \,c^{4} d e \,x^{6}+90 a d e \,x^{2}+6 b c \,d^{2} x +30 d^{2} a}{180 x^{6}}\) | \(301\) |
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Time = 0.27 (sec) , antiderivative size = 145, normalized size of antiderivative = 1.31 \[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))}{x^7} \, dx=-\frac {45 \, a e^{2} x^{4} + 15 \, {\left (b c^{5} d^{2} - 3 \, b c^{3} d e + 3 \, b c e^{2}\right )} x^{5} + 3 \, b c d^{2} x + 45 \, a d e x^{2} - 5 \, {\left (b c^{3} d^{2} - 3 \, b c d e\right )} x^{3} + 15 \, a d^{2} + 15 \, {\left (3 \, b e^{2} x^{4} + {\left (b c^{6} d^{2} - 3 \, b c^{4} d e + 3 \, b c^{2} e^{2}\right )} x^{6} + 3 \, b d e x^{2} + b d^{2}\right )} \arctan \left (c x\right )}{90 \, x^{6}} \]
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Time = 0.42 (sec) , antiderivative size = 192, normalized size of antiderivative = 1.73 \[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))}{x^7} \, dx=- \frac {a d^{2}}{6 x^{6}} - \frac {a d e}{2 x^{4}} - \frac {a e^{2}}{2 x^{2}} - \frac {b c^{6} d^{2} \operatorname {atan}{\left (c x \right )}}{6} - \frac {b c^{5} d^{2}}{6 x} + \frac {b c^{4} d e \operatorname {atan}{\left (c x \right )}}{2} + \frac {b c^{3} d^{2}}{18 x^{3}} + \frac {b c^{3} d e}{2 x} - \frac {b c^{2} e^{2} \operatorname {atan}{\left (c x \right )}}{2} - \frac {b c d^{2}}{30 x^{5}} - \frac {b c d e}{6 x^{3}} - \frac {b c e^{2}}{2 x} - \frac {b d^{2} \operatorname {atan}{\left (c x \right )}}{6 x^{6}} - \frac {b d e \operatorname {atan}{\left (c x \right )}}{2 x^{4}} - \frac {b e^{2} \operatorname {atan}{\left (c x \right )}}{2 x^{2}} \]
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Time = 0.27 (sec) , antiderivative size = 145, normalized size of antiderivative = 1.31 \[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))}{x^7} \, dx=-\frac {1}{90} \, {\left ({\left (15 \, c^{5} \arctan \left (c x\right ) + \frac {15 \, c^{4} x^{4} - 5 \, c^{2} x^{2} + 3}{x^{5}}\right )} c + \frac {15 \, \arctan \left (c x\right )}{x^{6}}\right )} b d^{2} + \frac {1}{6} \, {\left ({\left (3 \, c^{3} \arctan \left (c x\right ) + \frac {3 \, c^{2} x^{2} - 1}{x^{3}}\right )} c - \frac {3 \, \arctan \left (c x\right )}{x^{4}}\right )} b d e - \frac {1}{2} \, {\left ({\left (c \arctan \left (c x\right ) + \frac {1}{x}\right )} c + \frac {\arctan \left (c x\right )}{x^{2}}\right )} b e^{2} - \frac {a e^{2}}{2 \, x^{2}} - \frac {a d e}{2 \, x^{4}} - \frac {a d^{2}}{6 \, x^{6}} \]
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\[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))}{x^7} \, dx=\int { \frac {{\left (e x^{2} + d\right )}^{2} {\left (b \arctan \left (c x\right ) + a\right )}}{x^{7}} \,d x } \]
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Time = 0.91 (sec) , antiderivative size = 256, normalized size of antiderivative = 2.31 \[ \int \frac {\left (d+e x^2\right )^2 (a+b \arctan (c x))}{x^7} \, dx=-\frac {\frac {a\,d^2}{6}+\frac {b\,d^2\,\mathrm {atan}\left (c\,x\right )}{6}-\frac {a\,c^4\,e^2\,x^8}{2}+\frac {a\,e\,x^4\,\left (d\,c^2+e\right )}{2}+\frac {b\,c\,x^5\,\left (2\,c^4\,d^2-6\,c^2\,d\,e+9\,e^2\right )}{18}+\frac {b\,c\,d^2\,x}{30}+\frac {a\,d\,x^2\,\left (d\,c^2+3\,e\right )}{6}+\frac {b\,c^3\,x^7\,\left (c^4\,d^2-3\,c^2\,d\,e+3\,e^2\right )}{6}+\frac {b\,c\,d\,x^3\,\left (15\,e-2\,c^2\,d\right )}{90}+\frac {b\,d\,x^2\,\mathrm {atan}\left (c\,x\right )\,\left (d\,c^2+3\,e\right )}{6}+\frac {b\,c^2\,e^2\,x^6\,\mathrm {atan}\left (c\,x\right )}{2}+\frac {b\,e\,x^4\,\mathrm {atan}\left (c\,x\right )\,\left (d\,c^2+e\right )}{2}}{c^2\,x^8+x^6}-\frac {\mathrm {atan}\left (\frac {c^2\,x}{\sqrt {c^2}}\right )\,{\left (c^2\right )}^{5/2}\,\left (b\,c^4\,d^2-3\,b\,c^2\,d\,e+3\,b\,e^2\right )}{6\,c^3} \]
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