Integrand size = 25, antiderivative size = 252 \[ \int \frac {\left (f+g x^2\right )^2 \log \left (c \left (d+e x^2\right )^p\right )}{x^8} \, dx=-\frac {2 e f^2 p}{35 d x^5}+\frac {2 e^2 f^2 p}{21 d^2 x^3}-\frac {4 e f g p}{15 d x^3}-\frac {2 e^3 f^2 p}{7 d^3 x}+\frac {4 e^2 f g p}{5 d^2 x}-\frac {2 e g^2 p}{3 d x}-\frac {2 e^{7/2} f^2 p \arctan \left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{7 d^{7/2}}+\frac {4 e^{5/2} f g p \arctan \left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{5 d^{5/2}}-\frac {2 e^{3/2} g^2 p \arctan \left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{3 d^{3/2}}-\frac {f^2 \log \left (c \left (d+e x^2\right )^p\right )}{7 x^7}-\frac {2 f g \log \left (c \left (d+e x^2\right )^p\right )}{5 x^5}-\frac {g^2 \log \left (c \left (d+e x^2\right )^p\right )}{3 x^3} \]
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Time = 0.13 (sec) , antiderivative size = 252, normalized size of antiderivative = 1.00, number of steps used = 14, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.160, Rules used = {2526, 2505, 331, 211} \[ \int \frac {\left (f+g x^2\right )^2 \log \left (c \left (d+e x^2\right )^p\right )}{x^8} \, dx=-\frac {2 e^{7/2} f^2 p \arctan \left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{7 d^{7/2}}+\frac {4 e^{5/2} f g p \arctan \left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{5 d^{5/2}}-\frac {2 e^{3/2} g^2 p \arctan \left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{3 d^{3/2}}-\frac {f^2 \log \left (c \left (d+e x^2\right )^p\right )}{7 x^7}-\frac {2 f g \log \left (c \left (d+e x^2\right )^p\right )}{5 x^5}-\frac {g^2 \log \left (c \left (d+e x^2\right )^p\right )}{3 x^3}-\frac {2 e^3 f^2 p}{7 d^3 x}+\frac {2 e^2 f^2 p}{21 d^2 x^3}+\frac {4 e^2 f g p}{5 d^2 x}-\frac {2 e f^2 p}{35 d x^5}-\frac {4 e f g p}{15 d x^3}-\frac {2 e g^2 p}{3 d x} \]
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Rule 211
Rule 331
Rule 2505
Rule 2526
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {f^2 \log \left (c \left (d+e x^2\right )^p\right )}{x^8}+\frac {2 f g \log \left (c \left (d+e x^2\right )^p\right )}{x^6}+\frac {g^2 \log \left (c \left (d+e x^2\right )^p\right )}{x^4}\right ) \, dx \\ & = f^2 \int \frac {\log \left (c \left (d+e x^2\right )^p\right )}{x^8} \, dx+(2 f g) \int \frac {\log \left (c \left (d+e x^2\right )^p\right )}{x^6} \, dx+g^2 \int \frac {\log \left (c \left (d+e x^2\right )^p\right )}{x^4} \, dx \\ & = -\frac {f^2 \log \left (c \left (d+e x^2\right )^p\right )}{7 x^7}-\frac {2 f g \log \left (c \left (d+e x^2\right )^p\right )}{5 x^5}-\frac {g^2 \log \left (c \left (d+e x^2\right )^p\right )}{3 x^3}+\frac {1}{7} \left (2 e f^2 p\right ) \int \frac {1}{x^6 \left (d+e x^2\right )} \, dx+\frac {1}{5} (4 e f g p) \int \frac {1}{x^4 \left (d+e x^2\right )} \, dx+\frac {1}{3} \left (2 e g^2 p\right ) \int \frac {1}{x^2 \left (d+e x^2\right )} \, dx \\ & = -\frac {2 e f^2 p}{35 d x^5}-\frac {4 e f g p}{15 d x^3}-\frac {2 e g^2 p}{3 d x}-\frac {f^2 \log \left (c \left (d+e x^2\right )^p\right )}{7 x^7}-\frac {2 f g \log \left (c \left (d+e x^2\right )^p\right )}{5 x^5}-\frac {g^2 \log \left (c \left (d+e x^2\right )^p\right )}{3 x^3}-\frac {\left (2 e^2 f^2 p\right ) \int \frac {1}{x^4 \left (d+e x^2\right )} \, dx}{7 d}-\frac {\left (4 e^2 f g p\right ) \int \frac {1}{x^2 \left (d+e x^2\right )} \, dx}{5 d}-\frac {\left (2 e^2 g^2 p\right ) \int \frac {1}{d+e x^2} \, dx}{3 d} \\ & = -\frac {2 e f^2 p}{35 d x^5}+\frac {2 e^2 f^2 p}{21 d^2 x^3}-\frac {4 e f g p}{15 d x^3}+\frac {4 e^2 f g p}{5 d^2 x}-\frac {2 e g^2 p}{3 d x}-\frac {2 e^{3/2} g^2 p \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{3 d^{3/2}}-\frac {f^2 \log \left (c \left (d+e x^2\right )^p\right )}{7 x^7}-\frac {2 f g \log \left (c \left (d+e x^2\right )^p\right )}{5 x^5}-\frac {g^2 \log \left (c \left (d+e x^2\right )^p\right )}{3 x^3}+\frac {\left (2 e^3 f^2 p\right ) \int \frac {1}{x^2 \left (d+e x^2\right )} \, dx}{7 d^2}+\frac {\left (4 e^3 f g p\right ) \int \frac {1}{d+e x^2} \, dx}{5 d^2} \\ & = -\frac {2 e f^2 p}{35 d x^5}+\frac {2 e^2 f^2 p}{21 d^2 x^3}-\frac {4 e f g p}{15 d x^3}-\frac {2 e^3 f^2 p}{7 d^3 x}+\frac {4 e^2 f g p}{5 d^2 x}-\frac {2 e g^2 p}{3 d x}+\frac {4 e^{5/2} f g p \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{5 d^{5/2}}-\frac {2 e^{3/2} g^2 p \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{3 d^{3/2}}-\frac {f^2 \log \left (c \left (d+e x^2\right )^p\right )}{7 x^7}-\frac {2 f g \log \left (c \left (d+e x^2\right )^p\right )}{5 x^5}-\frac {g^2 \log \left (c \left (d+e x^2\right )^p\right )}{3 x^3}-\frac {\left (2 e^4 f^2 p\right ) \int \frac {1}{d+e x^2} \, dx}{7 d^3} \\ & = -\frac {2 e f^2 p}{35 d x^5}+\frac {2 e^2 f^2 p}{21 d^2 x^3}-\frac {4 e f g p}{15 d x^3}-\frac {2 e^3 f^2 p}{7 d^3 x}+\frac {4 e^2 f g p}{5 d^2 x}-\frac {2 e g^2 p}{3 d x}-\frac {2 e^{7/2} f^2 p \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{7 d^{7/2}}+\frac {4 e^{5/2} f g p \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{5 d^{5/2}}-\frac {2 e^{3/2} g^2 p \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{3 d^{3/2}}-\frac {f^2 \log \left (c \left (d+e x^2\right )^p\right )}{7 x^7}-\frac {2 f g \log \left (c \left (d+e x^2\right )^p\right )}{5 x^5}-\frac {g^2 \log \left (c \left (d+e x^2\right )^p\right )}{3 x^3} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.
Time = 0.02 (sec) , antiderivative size = 161, normalized size of antiderivative = 0.64 \[ \int \frac {\left (f+g x^2\right )^2 \log \left (c \left (d+e x^2\right )^p\right )}{x^8} \, dx=-\frac {2 e f^2 p \operatorname {Hypergeometric2F1}\left (-\frac {5}{2},1,-\frac {3}{2},-\frac {e x^2}{d}\right )}{35 d x^5}-\frac {4 e f g p \operatorname {Hypergeometric2F1}\left (-\frac {3}{2},1,-\frac {1}{2},-\frac {e x^2}{d}\right )}{15 d x^3}-\frac {2 e g^2 p \operatorname {Hypergeometric2F1}\left (-\frac {1}{2},1,\frac {1}{2},-\frac {e x^2}{d}\right )}{3 d x}-\frac {f^2 \log \left (c \left (d+e x^2\right )^p\right )}{7 x^7}-\frac {2 f g \log \left (c \left (d+e x^2\right )^p\right )}{5 x^5}-\frac {g^2 \log \left (c \left (d+e x^2\right )^p\right )}{3 x^3} \]
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Time = 2.39 (sec) , antiderivative size = 167, normalized size of antiderivative = 0.66
method | result | size |
parts | \(-\frac {g^{2} \ln \left (c \left (e \,x^{2}+d \right )^{p}\right )}{3 x^{3}}-\frac {2 f g \ln \left (c \left (e \,x^{2}+d \right )^{p}\right )}{5 x^{5}}-\frac {f^{2} \ln \left (c \left (e \,x^{2}+d \right )^{p}\right )}{7 x^{7}}-\frac {2 p e \left (-\frac {-35 g^{2} d^{2}+42 d e f g -15 e^{2} f^{2}}{d^{3} x}+\frac {3 f^{2}}{d \,x^{5}}+\frac {f \left (14 d g -5 e f \right )}{d^{2} x^{3}}+\frac {e \left (35 g^{2} d^{2}-42 d e f g +15 e^{2} f^{2}\right ) \arctan \left (\frac {x e}{\sqrt {d e}}\right )}{d^{3} \sqrt {d e}}\right )}{105}\) | \(167\) |
risch | \(-\frac {\left (35 g^{2} x^{4}+42 f g \,x^{2}+15 f^{2}\right ) \ln \left (\left (e \,x^{2}+d \right )^{p}\right )}{105 x^{7}}-\frac {30 \ln \left (c \right ) d^{4} f^{2}-70 \sqrt {-d e}\, p e \ln \left (-e x +\sqrt {-d e}\right ) g^{2} d^{2} x^{7}+70 \sqrt {-d e}\, p e \ln \left (-e x -\sqrt {-d e}\right ) g^{2} d^{2} x^{7}+84 \sqrt {-d e}\, p \,e^{2} \ln \left (-e x +\sqrt {-d e}\right ) f g d \,x^{7}-84 \sqrt {-d e}\, p \,e^{2} \ln \left (-e x -\sqrt {-d e}\right ) f g d \,x^{7}+30 \sqrt {-d e}\, p \,e^{3} \ln \left (-e x -\sqrt {-d e}\right ) f^{2} x^{7}-35 i \pi \,d^{4} g^{2} x^{4} \operatorname {csgn}\left (i \left (e \,x^{2}+d \right )^{p}\right ) \operatorname {csgn}\left (i c \left (e \,x^{2}+d \right )^{p}\right ) \operatorname {csgn}\left (i c \right )+140 d^{3} e \,g^{2} p \,x^{6}+60 d \,e^{3} f^{2} p \,x^{6}-20 d^{2} e^{2} f^{2} p \,x^{4}+12 d^{3} e \,f^{2} p \,x^{2}-168 d^{2} e^{2} f g p \,x^{6}+56 d^{3} e f g p \,x^{4}+84 \ln \left (c \right ) d^{4} f g \,x^{2}-42 i \pi \,d^{4} f g \,x^{2} \operatorname {csgn}\left (i \left (e \,x^{2}+d \right )^{p}\right ) \operatorname {csgn}\left (i c \left (e \,x^{2}+d \right )^{p}\right ) \operatorname {csgn}\left (i c \right )+42 i \pi \,d^{4} f g \,x^{2} \operatorname {csgn}\left (i \left (e \,x^{2}+d \right )^{p}\right ) {\operatorname {csgn}\left (i c \left (e \,x^{2}+d \right )^{p}\right )}^{2}+42 i \pi \,d^{4} f g \,x^{2} {\operatorname {csgn}\left (i c \left (e \,x^{2}+d \right )^{p}\right )}^{2} \operatorname {csgn}\left (i c \right )+70 \ln \left (c \right ) d^{4} g^{2} x^{4}-30 \sqrt {-d e}\, p \,e^{3} \ln \left (-e x +\sqrt {-d e}\right ) f^{2} x^{7}-15 i \pi \,d^{4} f^{2} \operatorname {csgn}\left (i \left (e \,x^{2}+d \right )^{p}\right ) \operatorname {csgn}\left (i c \left (e \,x^{2}+d \right )^{p}\right ) \operatorname {csgn}\left (i c \right )+35 i \pi \,d^{4} g^{2} x^{4} {\operatorname {csgn}\left (i c \left (e \,x^{2}+d \right )^{p}\right )}^{2} \operatorname {csgn}\left (i c \right )+35 i \pi \,d^{4} g^{2} x^{4} \operatorname {csgn}\left (i \left (e \,x^{2}+d \right )^{p}\right ) {\operatorname {csgn}\left (i c \left (e \,x^{2}+d \right )^{p}\right )}^{2}-42 i \pi \,d^{4} f g \,x^{2} {\operatorname {csgn}\left (i c \left (e \,x^{2}+d \right )^{p}\right )}^{3}-15 i \pi \,d^{4} f^{2} {\operatorname {csgn}\left (i c \left (e \,x^{2}+d \right )^{p}\right )}^{3}-35 i \pi \,d^{4} g^{2} x^{4} {\operatorname {csgn}\left (i c \left (e \,x^{2}+d \right )^{p}\right )}^{3}+15 i \pi \,d^{4} f^{2} \operatorname {csgn}\left (i \left (e \,x^{2}+d \right )^{p}\right ) {\operatorname {csgn}\left (i c \left (e \,x^{2}+d \right )^{p}\right )}^{2}+15 i \pi \,d^{4} f^{2} {\operatorname {csgn}\left (i c \left (e \,x^{2}+d \right )^{p}\right )}^{2} \operatorname {csgn}\left (i c \right )}{210 d^{4} x^{7}}\) | \(784\) |
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Time = 0.34 (sec) , antiderivative size = 429, normalized size of antiderivative = 1.70 \[ \int \frac {\left (f+g x^2\right )^2 \log \left (c \left (d+e x^2\right )^p\right )}{x^8} \, dx=\left [\frac {{\left (15 \, e^{3} f^{2} - 42 \, d e^{2} f g + 35 \, d^{2} e g^{2}\right )} p x^{7} \sqrt {-\frac {e}{d}} \log \left (\frac {e x^{2} - 2 \, d x \sqrt {-\frac {e}{d}} - d}{e x^{2} + d}\right ) - 6 \, d^{2} e f^{2} p x^{2} - 2 \, {\left (15 \, e^{3} f^{2} - 42 \, d e^{2} f g + 35 \, d^{2} e g^{2}\right )} p x^{6} + 2 \, {\left (5 \, d e^{2} f^{2} - 14 \, d^{2} e f g\right )} p x^{4} - {\left (35 \, d^{3} g^{2} p x^{4} + 42 \, d^{3} f g p x^{2} + 15 \, d^{3} f^{2} p\right )} \log \left (e x^{2} + d\right ) - {\left (35 \, d^{3} g^{2} x^{4} + 42 \, d^{3} f g x^{2} + 15 \, d^{3} f^{2}\right )} \log \left (c\right )}{105 \, d^{3} x^{7}}, -\frac {2 \, {\left (15 \, e^{3} f^{2} - 42 \, d e^{2} f g + 35 \, d^{2} e g^{2}\right )} p x^{7} \sqrt {\frac {e}{d}} \arctan \left (x \sqrt {\frac {e}{d}}\right ) + 6 \, d^{2} e f^{2} p x^{2} + 2 \, {\left (15 \, e^{3} f^{2} - 42 \, d e^{2} f g + 35 \, d^{2} e g^{2}\right )} p x^{6} - 2 \, {\left (5 \, d e^{2} f^{2} - 14 \, d^{2} e f g\right )} p x^{4} + {\left (35 \, d^{3} g^{2} p x^{4} + 42 \, d^{3} f g p x^{2} + 15 \, d^{3} f^{2} p\right )} \log \left (e x^{2} + d\right ) + {\left (35 \, d^{3} g^{2} x^{4} + 42 \, d^{3} f g x^{2} + 15 \, d^{3} f^{2}\right )} \log \left (c\right )}{105 \, d^{3} x^{7}}\right ] \]
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Timed out. \[ \int \frac {\left (f+g x^2\right )^2 \log \left (c \left (d+e x^2\right )^p\right )}{x^8} \, dx=\text {Timed out} \]
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Exception generated. \[ \int \frac {\left (f+g x^2\right )^2 \log \left (c \left (d+e x^2\right )^p\right )}{x^8} \, dx=\text {Exception raised: ValueError} \]
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Time = 0.34 (sec) , antiderivative size = 207, normalized size of antiderivative = 0.82 \[ \int \frac {\left (f+g x^2\right )^2 \log \left (c \left (d+e x^2\right )^p\right )}{x^8} \, dx=-\frac {2 \, {\left (15 \, e^{4} f^{2} p - 42 \, d e^{3} f g p + 35 \, d^{2} e^{2} g^{2} p\right )} \arctan \left (\frac {e x}{\sqrt {d e}}\right )}{105 \, \sqrt {d e} d^{3}} - \frac {{\left (35 \, g^{2} p x^{4} + 42 \, f g p x^{2} + 15 \, f^{2} p\right )} \log \left (e x^{2} + d\right )}{105 \, x^{7}} - \frac {30 \, e^{3} f^{2} p x^{6} - 84 \, d e^{2} f g p x^{6} + 70 \, d^{2} e g^{2} p x^{6} - 10 \, d e^{2} f^{2} p x^{4} + 28 \, d^{2} e f g p x^{4} + 35 \, d^{3} g^{2} x^{4} \log \left (c\right ) + 6 \, d^{2} e f^{2} p x^{2} + 42 \, d^{3} f g x^{2} \log \left (c\right ) + 15 \, d^{3} f^{2} \log \left (c\right )}{105 \, d^{3} x^{7}} \]
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Time = 1.66 (sec) , antiderivative size = 149, normalized size of antiderivative = 0.59 \[ \int \frac {\left (f+g x^2\right )^2 \log \left (c \left (d+e x^2\right )^p\right )}{x^8} \, dx=-\frac {\frac {6\,e\,f^2\,p}{d}+\frac {2\,e\,p\,x^4\,\left (35\,d^2\,g^2-42\,d\,e\,f\,g+15\,e^2\,f^2\right )}{d^3}+\frac {2\,e\,f\,p\,x^2\,\left (14\,d\,g-5\,e\,f\right )}{d^2}}{105\,x^5}-\frac {\ln \left (c\,{\left (e\,x^2+d\right )}^p\right )\,\left (\frac {f^2}{7}+\frac {2\,f\,g\,x^2}{5}+\frac {g^2\,x^4}{3}\right )}{x^7}-\frac {2\,e^{3/2}\,p\,\mathrm {atan}\left (\frac {\sqrt {e}\,x}{\sqrt {d}}\right )\,\left (35\,d^2\,g^2-42\,d\,e\,f\,g+15\,e^2\,f^2\right )}{105\,d^{7/2}} \]
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