Integrand size = 28, antiderivative size = 380 \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3\right )}{\left (a+b x^4\right )^4} \, dx=-\frac {c+d x+e x^2+f x^3}{12 b \left (a+b x^4\right )^3}+\frac {x \left (d+2 e x+3 f x^2\right )}{96 a b \left (a+b x^4\right )^2}+\frac {x \left (7 d+12 e x+15 f x^2\right )}{384 a^2 b \left (a+b x^4\right )}+\frac {e \arctan \left (\frac {\sqrt {b} x^2}{\sqrt {a}}\right )}{32 a^{5/2} b^{3/2}}-\frac {\left (7 \sqrt {b} d+5 \sqrt {a} f\right ) \arctan \left (1-\frac {\sqrt {2} \sqrt [4]{b} x}{\sqrt [4]{a}}\right )}{256 \sqrt {2} a^{11/4} b^{7/4}}+\frac {\left (7 \sqrt {b} d+5 \sqrt {a} f\right ) \arctan \left (1+\frac {\sqrt {2} \sqrt [4]{b} x}{\sqrt [4]{a}}\right )}{256 \sqrt {2} a^{11/4} b^{7/4}}-\frac {\left (7 \sqrt {b} d-5 \sqrt {a} f\right ) \log \left (\sqrt {a}-\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt {b} x^2\right )}{512 \sqrt {2} a^{11/4} b^{7/4}}+\frac {\left (7 \sqrt {b} d-5 \sqrt {a} f\right ) \log \left (\sqrt {a}+\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt {b} x^2\right )}{512 \sqrt {2} a^{11/4} b^{7/4}} \]
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Time = 0.26 (sec) , antiderivative size = 380, normalized size of antiderivative = 1.00, number of steps used = 16, number of rules used = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.393, Rules used = {1837, 1869, 1890, 281, 211, 1182, 1176, 631, 210, 1179, 642} \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3\right )}{\left (a+b x^4\right )^4} \, dx=-\frac {\arctan \left (1-\frac {\sqrt {2} \sqrt [4]{b} x}{\sqrt [4]{a}}\right ) \left (5 \sqrt {a} f+7 \sqrt {b} d\right )}{256 \sqrt {2} a^{11/4} b^{7/4}}+\frac {\arctan \left (\frac {\sqrt {2} \sqrt [4]{b} x}{\sqrt [4]{a}}+1\right ) \left (5 \sqrt {a} f+7 \sqrt {b} d\right )}{256 \sqrt {2} a^{11/4} b^{7/4}}+\frac {e \arctan \left (\frac {\sqrt {b} x^2}{\sqrt {a}}\right )}{32 a^{5/2} b^{3/2}}-\frac {\left (7 \sqrt {b} d-5 \sqrt {a} f\right ) \log \left (-\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt {a}+\sqrt {b} x^2\right )}{512 \sqrt {2} a^{11/4} b^{7/4}}+\frac {\left (7 \sqrt {b} d-5 \sqrt {a} f\right ) \log \left (\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt {a}+\sqrt {b} x^2\right )}{512 \sqrt {2} a^{11/4} b^{7/4}}+\frac {x \left (7 d+12 e x+15 f x^2\right )}{384 a^2 b \left (a+b x^4\right )}-\frac {c+d x+e x^2+f x^3}{12 b \left (a+b x^4\right )^3}+\frac {x \left (d+2 e x+3 f x^2\right )}{96 a b \left (a+b x^4\right )^2} \]
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Rule 210
Rule 211
Rule 281
Rule 631
Rule 642
Rule 1176
Rule 1179
Rule 1182
Rule 1837
Rule 1869
Rule 1890
Rubi steps \begin{align*} \text {integral}& = -\frac {c+d x+e x^2+f x^3}{12 b \left (a+b x^4\right )^3}+\frac {\int \frac {d+2 e x+3 f x^2}{\left (a+b x^4\right )^3} \, dx}{12 b} \\ & = -\frac {c+d x+e x^2+f x^3}{12 b \left (a+b x^4\right )^3}+\frac {x \left (d+2 e x+3 f x^2\right )}{96 a b \left (a+b x^4\right )^2}-\frac {\int \frac {-7 d-12 e x-15 f x^2}{\left (a+b x^4\right )^2} \, dx}{96 a b} \\ & = -\frac {c+d x+e x^2+f x^3}{12 b \left (a+b x^4\right )^3}+\frac {x \left (d+2 e x+3 f x^2\right )}{96 a b \left (a+b x^4\right )^2}+\frac {x \left (7 d+12 e x+15 f x^2\right )}{384 a^2 b \left (a+b x^4\right )}+\frac {\int \frac {21 d+24 e x+15 f x^2}{a+b x^4} \, dx}{384 a^2 b} \\ & = -\frac {c+d x+e x^2+f x^3}{12 b \left (a+b x^4\right )^3}+\frac {x \left (d+2 e x+3 f x^2\right )}{96 a b \left (a+b x^4\right )^2}+\frac {x \left (7 d+12 e x+15 f x^2\right )}{384 a^2 b \left (a+b x^4\right )}+\frac {\int \left (\frac {24 e x}{a+b x^4}+\frac {21 d+15 f x^2}{a+b x^4}\right ) \, dx}{384 a^2 b} \\ & = -\frac {c+d x+e x^2+f x^3}{12 b \left (a+b x^4\right )^3}+\frac {x \left (d+2 e x+3 f x^2\right )}{96 a b \left (a+b x^4\right )^2}+\frac {x \left (7 d+12 e x+15 f x^2\right )}{384 a^2 b \left (a+b x^4\right )}+\frac {\int \frac {21 d+15 f x^2}{a+b x^4} \, dx}{384 a^2 b}+\frac {e \int \frac {x}{a+b x^4} \, dx}{16 a^2 b} \\ & = -\frac {c+d x+e x^2+f x^3}{12 b \left (a+b x^4\right )^3}+\frac {x \left (d+2 e x+3 f x^2\right )}{96 a b \left (a+b x^4\right )^2}+\frac {x \left (7 d+12 e x+15 f x^2\right )}{384 a^2 b \left (a+b x^4\right )}+\frac {e \text {Subst}\left (\int \frac {1}{a+b x^2} \, dx,x,x^2\right )}{32 a^2 b}+\frac {\left (\frac {7 \sqrt {b} d}{\sqrt {a}}-5 f\right ) \int \frac {\sqrt {a} \sqrt {b}-b x^2}{a+b x^4} \, dx}{256 a^2 b^2}+\frac {\left (\frac {7 \sqrt {b} d}{\sqrt {a}}+5 f\right ) \int \frac {\sqrt {a} \sqrt {b}+b x^2}{a+b x^4} \, dx}{256 a^2 b^2} \\ & = -\frac {c+d x+e x^2+f x^3}{12 b \left (a+b x^4\right )^3}+\frac {x \left (d+2 e x+3 f x^2\right )}{96 a b \left (a+b x^4\right )^2}+\frac {x \left (7 d+12 e x+15 f x^2\right )}{384 a^2 b \left (a+b x^4\right )}+\frac {e \tan ^{-1}\left (\frac {\sqrt {b} x^2}{\sqrt {a}}\right )}{32 a^{5/2} b^{3/2}}-\frac {\left (\frac {7 \sqrt {b} d}{\sqrt {a}}-5 f\right ) \int \frac {\frac {\sqrt {2} \sqrt [4]{a}}{\sqrt [4]{b}}+2 x}{-\frac {\sqrt {a}}{\sqrt {b}}-\frac {\sqrt {2} \sqrt [4]{a} x}{\sqrt [4]{b}}-x^2} \, dx}{512 \sqrt {2} a^{9/4} b^{7/4}}-\frac {\left (\frac {7 \sqrt {b} d}{\sqrt {a}}-5 f\right ) \int \frac {\frac {\sqrt {2} \sqrt [4]{a}}{\sqrt [4]{b}}-2 x}{-\frac {\sqrt {a}}{\sqrt {b}}+\frac {\sqrt {2} \sqrt [4]{a} x}{\sqrt [4]{b}}-x^2} \, dx}{512 \sqrt {2} a^{9/4} b^{7/4}}+\frac {\left (\frac {7 \sqrt {b} d}{\sqrt {a}}+5 f\right ) \int \frac {1}{\frac {\sqrt {a}}{\sqrt {b}}-\frac {\sqrt {2} \sqrt [4]{a} x}{\sqrt [4]{b}}+x^2} \, dx}{512 a^2 b^2}+\frac {\left (\frac {7 \sqrt {b} d}{\sqrt {a}}+5 f\right ) \int \frac {1}{\frac {\sqrt {a}}{\sqrt {b}}+\frac {\sqrt {2} \sqrt [4]{a} x}{\sqrt [4]{b}}+x^2} \, dx}{512 a^2 b^2} \\ & = -\frac {c+d x+e x^2+f x^3}{12 b \left (a+b x^4\right )^3}+\frac {x \left (d+2 e x+3 f x^2\right )}{96 a b \left (a+b x^4\right )^2}+\frac {x \left (7 d+12 e x+15 f x^2\right )}{384 a^2 b \left (a+b x^4\right )}+\frac {e \tan ^{-1}\left (\frac {\sqrt {b} x^2}{\sqrt {a}}\right )}{32 a^{5/2} b^{3/2}}-\frac {\left (\frac {7 \sqrt {b} d}{\sqrt {a}}-5 f\right ) \log \left (\sqrt {a}-\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt {b} x^2\right )}{512 \sqrt {2} a^{9/4} b^{7/4}}+\frac {\left (\frac {7 \sqrt {b} d}{\sqrt {a}}-5 f\right ) \log \left (\sqrt {a}+\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt {b} x^2\right )}{512 \sqrt {2} a^{9/4} b^{7/4}}+\frac {\left (7 \sqrt {b} d+5 \sqrt {a} f\right ) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\frac {\sqrt {2} \sqrt [4]{b} x}{\sqrt [4]{a}}\right )}{256 \sqrt {2} a^{11/4} b^{7/4}}-\frac {\left (7 \sqrt {b} d+5 \sqrt {a} f\right ) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\frac {\sqrt {2} \sqrt [4]{b} x}{\sqrt [4]{a}}\right )}{256 \sqrt {2} a^{11/4} b^{7/4}} \\ & = -\frac {c+d x+e x^2+f x^3}{12 b \left (a+b x^4\right )^3}+\frac {x \left (d+2 e x+3 f x^2\right )}{96 a b \left (a+b x^4\right )^2}+\frac {x \left (7 d+12 e x+15 f x^2\right )}{384 a^2 b \left (a+b x^4\right )}+\frac {e \tan ^{-1}\left (\frac {\sqrt {b} x^2}{\sqrt {a}}\right )}{32 a^{5/2} b^{3/2}}-\frac {\left (7 \sqrt {b} d+5 \sqrt {a} f\right ) \tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt [4]{b} x}{\sqrt [4]{a}}\right )}{256 \sqrt {2} a^{11/4} b^{7/4}}+\frac {\left (7 \sqrt {b} d+5 \sqrt {a} f\right ) \tan ^{-1}\left (1+\frac {\sqrt {2} \sqrt [4]{b} x}{\sqrt [4]{a}}\right )}{256 \sqrt {2} a^{11/4} b^{7/4}}-\frac {\left (\frac {7 \sqrt {b} d}{\sqrt {a}}-5 f\right ) \log \left (\sqrt {a}-\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt {b} x^2\right )}{512 \sqrt {2} a^{9/4} b^{7/4}}+\frac {\left (\frac {7 \sqrt {b} d}{\sqrt {a}}-5 f\right ) \log \left (\sqrt {a}+\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt {b} x^2\right )}{512 \sqrt {2} a^{9/4} b^{7/4}} \\ \end{align*}
Time = 0.44 (sec) , antiderivative size = 366, normalized size of antiderivative = 0.96 \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3\right )}{\left (a+b x^4\right )^4} \, dx=\frac {\frac {32 b^{3/4} x (d+x (2 e+3 f x))}{a \left (a+b x^4\right )^2}+\frac {8 b^{3/4} x (7 d+3 x (4 e+5 f x))}{a^2 \left (a+b x^4\right )}-\frac {256 b^{3/4} (c+x (d+x (e+f x)))}{\left (a+b x^4\right )^3}-\frac {6 \left (7 \sqrt {2} \sqrt {b} d+16 \sqrt [4]{a} \sqrt [4]{b} e+5 \sqrt {2} \sqrt {a} f\right ) \arctan \left (1-\frac {\sqrt {2} \sqrt [4]{b} x}{\sqrt [4]{a}}\right )}{a^{11/4}}+\frac {6 \left (7 \sqrt {2} \sqrt {b} d-16 \sqrt [4]{a} \sqrt [4]{b} e+5 \sqrt {2} \sqrt {a} f\right ) \arctan \left (1+\frac {\sqrt {2} \sqrt [4]{b} x}{\sqrt [4]{a}}\right )}{a^{11/4}}+\frac {3 \sqrt {2} \left (-7 \sqrt {b} d+5 \sqrt {a} f\right ) \log \left (\sqrt {a}-\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt {b} x^2\right )}{a^{11/4}}+\frac {3 \sqrt {2} \left (7 \sqrt {b} d-5 \sqrt {a} f\right ) \log \left (\sqrt {a}+\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt {b} x^2\right )}{a^{11/4}}}{3072 b^{7/4}} \]
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Result contains higher order function than in optimal. Order 9 vs. order 3.
Time = 1.56 (sec) , antiderivative size = 144, normalized size of antiderivative = 0.38
method | result | size |
risch | \(\frac {\frac {5 b f \,x^{11}}{128 a^{2}}+\frac {b e \,x^{10}}{32 a^{2}}+\frac {7 b d \,x^{9}}{384 a^{2}}+\frac {7 f \,x^{7}}{64 a}+\frac {e \,x^{6}}{12 a}+\frac {3 d \,x^{5}}{64 a}-\frac {5 f \,x^{3}}{384 b}-\frac {e \,x^{2}}{32 b}-\frac {7 d x}{128 b}-\frac {c}{12 b}}{\left (b \,x^{4}+a \right )^{3}}+\frac {\munderset {\textit {\_R} =\operatorname {RootOf}\left (\textit {\_Z}^{4} b +a \right )}{\sum }\frac {\left (5 f \,\textit {\_R}^{2}+8 e \textit {\_R} +7 d \right ) \ln \left (x -\textit {\_R} \right )}{\textit {\_R}^{3}}}{512 a^{2} b^{2}}\) | \(144\) |
default | \(\frac {\frac {5 b f \,x^{11}}{128 a^{2}}+\frac {b e \,x^{10}}{32 a^{2}}+\frac {7 b d \,x^{9}}{384 a^{2}}+\frac {7 f \,x^{7}}{64 a}+\frac {e \,x^{6}}{12 a}+\frac {3 d \,x^{5}}{64 a}-\frac {5 f \,x^{3}}{384 b}-\frac {e \,x^{2}}{32 b}-\frac {7 d x}{128 b}-\frac {c}{12 b}}{\left (b \,x^{4}+a \right )^{3}}+\frac {\frac {7 d \left (\frac {a}{b}\right )^{\frac {1}{4}} \sqrt {2}\, \left (\ln \left (\frac {x^{2}+\left (\frac {a}{b}\right )^{\frac {1}{4}} x \sqrt {2}+\sqrt {\frac {a}{b}}}{x^{2}-\left (\frac {a}{b}\right )^{\frac {1}{4}} x \sqrt {2}+\sqrt {\frac {a}{b}}}\right )+2 \arctan \left (\frac {\sqrt {2}\, x}{\left (\frac {a}{b}\right )^{\frac {1}{4}}}+1\right )+2 \arctan \left (\frac {\sqrt {2}\, x}{\left (\frac {a}{b}\right )^{\frac {1}{4}}}-1\right )\right )}{8 a}+\frac {4 e \arctan \left (x^{2} \sqrt {\frac {b}{a}}\right )}{\sqrt {a b}}+\frac {5 f \sqrt {2}\, \left (\ln \left (\frac {x^{2}-\left (\frac {a}{b}\right )^{\frac {1}{4}} x \sqrt {2}+\sqrt {\frac {a}{b}}}{x^{2}+\left (\frac {a}{b}\right )^{\frac {1}{4}} x \sqrt {2}+\sqrt {\frac {a}{b}}}\right )+2 \arctan \left (\frac {\sqrt {2}\, x}{\left (\frac {a}{b}\right )^{\frac {1}{4}}}+1\right )+2 \arctan \left (\frac {\sqrt {2}\, x}{\left (\frac {a}{b}\right )^{\frac {1}{4}}}-1\right )\right )}{8 b \left (\frac {a}{b}\right )^{\frac {1}{4}}}}{128 a^{2} b}\) | \(334\) |
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Result contains complex when optimal does not.
Time = 21.92 (sec) , antiderivative size = 125996, normalized size of antiderivative = 331.57 \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3\right )}{\left (a+b x^4\right )^4} \, dx=\text {Too large to display} \]
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Timed out. \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3\right )}{\left (a+b x^4\right )^4} \, dx=\text {Timed out} \]
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Time = 0.31 (sec) , antiderivative size = 396, normalized size of antiderivative = 1.04 \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3\right )}{\left (a+b x^4\right )^4} \, dx=\frac {15 \, b^{2} f x^{11} + 12 \, b^{2} e x^{10} + 7 \, b^{2} d x^{9} + 42 \, a b f x^{7} + 32 \, a b e x^{6} + 18 \, a b d x^{5} - 5 \, a^{2} f x^{3} - 12 \, a^{2} e x^{2} - 21 \, a^{2} d x - 32 \, a^{2} c}{384 \, {\left (a^{2} b^{4} x^{12} + 3 \, a^{3} b^{3} x^{8} + 3 \, a^{4} b^{2} x^{4} + a^{5} b\right )}} + \frac {\frac {\sqrt {2} {\left (7 \, \sqrt {b} d - 5 \, \sqrt {a} f\right )} \log \left (\sqrt {b} x^{2} + \sqrt {2} a^{\frac {1}{4}} b^{\frac {1}{4}} x + \sqrt {a}\right )}{a^{\frac {3}{4}} b^{\frac {3}{4}}} - \frac {\sqrt {2} {\left (7 \, \sqrt {b} d - 5 \, \sqrt {a} f\right )} \log \left (\sqrt {b} x^{2} - \sqrt {2} a^{\frac {1}{4}} b^{\frac {1}{4}} x + \sqrt {a}\right )}{a^{\frac {3}{4}} b^{\frac {3}{4}}} + \frac {2 \, {\left (7 \, \sqrt {2} a^{\frac {1}{4}} b^{\frac {3}{4}} d + 5 \, \sqrt {2} a^{\frac {3}{4}} b^{\frac {1}{4}} f - 16 \, \sqrt {a} \sqrt {b} e\right )} \arctan \left (\frac {\sqrt {2} {\left (2 \, \sqrt {b} x + \sqrt {2} a^{\frac {1}{4}} b^{\frac {1}{4}}\right )}}{2 \, \sqrt {\sqrt {a} \sqrt {b}}}\right )}{a^{\frac {3}{4}} \sqrt {\sqrt {a} \sqrt {b}} b^{\frac {3}{4}}} + \frac {2 \, {\left (7 \, \sqrt {2} a^{\frac {1}{4}} b^{\frac {3}{4}} d + 5 \, \sqrt {2} a^{\frac {3}{4}} b^{\frac {1}{4}} f + 16 \, \sqrt {a} \sqrt {b} e\right )} \arctan \left (\frac {\sqrt {2} {\left (2 \, \sqrt {b} x - \sqrt {2} a^{\frac {1}{4}} b^{\frac {1}{4}}\right )}}{2 \, \sqrt {\sqrt {a} \sqrt {b}}}\right )}{a^{\frac {3}{4}} \sqrt {\sqrt {a} \sqrt {b}} b^{\frac {3}{4}}}}{1024 \, a^{2} b} \]
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Time = 0.27 (sec) , antiderivative size = 375, normalized size of antiderivative = 0.99 \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3\right )}{\left (a+b x^4\right )^4} \, dx=\frac {\sqrt {2} {\left (8 \, \sqrt {2} \sqrt {a b} b^{2} e + 7 \, \left (a b^{3}\right )^{\frac {1}{4}} b^{2} d + 5 \, \left (a b^{3}\right )^{\frac {3}{4}} f\right )} \arctan \left (\frac {\sqrt {2} {\left (2 \, x + \sqrt {2} \left (\frac {a}{b}\right )^{\frac {1}{4}}\right )}}{2 \, \left (\frac {a}{b}\right )^{\frac {1}{4}}}\right )}{512 \, a^{3} b^{4}} + \frac {\sqrt {2} {\left (8 \, \sqrt {2} \sqrt {a b} b^{2} e + 7 \, \left (a b^{3}\right )^{\frac {1}{4}} b^{2} d + 5 \, \left (a b^{3}\right )^{\frac {3}{4}} f\right )} \arctan \left (\frac {\sqrt {2} {\left (2 \, x - \sqrt {2} \left (\frac {a}{b}\right )^{\frac {1}{4}}\right )}}{2 \, \left (\frac {a}{b}\right )^{\frac {1}{4}}}\right )}{512 \, a^{3} b^{4}} + \frac {\sqrt {2} {\left (7 \, \left (a b^{3}\right )^{\frac {1}{4}} b^{2} d - 5 \, \left (a b^{3}\right )^{\frac {3}{4}} f\right )} \log \left (x^{2} + \sqrt {2} x \left (\frac {a}{b}\right )^{\frac {1}{4}} + \sqrt {\frac {a}{b}}\right )}{1024 \, a^{3} b^{4}} - \frac {\sqrt {2} {\left (7 \, \left (a b^{3}\right )^{\frac {1}{4}} b^{2} d - 5 \, \left (a b^{3}\right )^{\frac {3}{4}} f\right )} \log \left (x^{2} - \sqrt {2} x \left (\frac {a}{b}\right )^{\frac {1}{4}} + \sqrt {\frac {a}{b}}\right )}{1024 \, a^{3} b^{4}} + \frac {15 \, b^{2} f x^{11} + 12 \, b^{2} e x^{10} + 7 \, b^{2} d x^{9} + 42 \, a b f x^{7} + 32 \, a b e x^{6} + 18 \, a b d x^{5} - 5 \, a^{2} f x^{3} - 12 \, a^{2} e x^{2} - 21 \, a^{2} d x - 32 \, a^{2} c}{384 \, {\left (b x^{4} + a\right )}^{3} a^{2} b} \]
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Time = 0.50 (sec) , antiderivative size = 888, normalized size of antiderivative = 2.34 \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3\right )}{\left (a+b x^4\right )^4} \, dx=\frac {\frac {3\,d\,x^5}{64\,a}-\frac {c}{12\,b}+\frac {e\,x^6}{12\,a}-\frac {e\,x^2}{32\,b}+\frac {7\,f\,x^7}{64\,a}-\frac {5\,f\,x^3}{384\,b}-\frac {7\,d\,x}{128\,b}+\frac {7\,b\,d\,x^9}{384\,a^2}+\frac {b\,e\,x^{10}}{32\,a^2}+\frac {5\,b\,f\,x^{11}}{128\,a^2}}{a^3+3\,a^2\,b\,x^4+3\,a\,b^2\,x^8+b^3\,x^{12}}+\left (\sum _{k=1}^4\ln \left (-\frac {125\,a\,f^3-448\,b\,d\,e^2+245\,b\,d^2\,f-512\,b\,e^3\,x+{\mathrm {root}\left (68719476736\,a^{11}\,b^7\,z^4+36700160\,a^6\,b^4\,d\,f\,z^2+33554432\,a^6\,b^4\,e^2\,z^2+409600\,a^4\,b^2\,e\,f^2\,z-802816\,a^3\,b^3\,d^2\,e\,z-8960\,a\,b\,d\,e^2\,f+2450\,a\,b\,d^2\,f^2+4096\,a\,b\,e^4+625\,a^2\,f^4+2401\,b^2\,d^4,z,k\right )}^2\,a^5\,b^4\,d\,1835008+560\,b\,d\,e\,f\,x+\mathrm {root}\left (68719476736\,a^{11}\,b^7\,z^4+36700160\,a^6\,b^4\,d\,f\,z^2+33554432\,a^6\,b^4\,e^2\,z^2+409600\,a^4\,b^2\,e\,f^2\,z-802816\,a^3\,b^3\,d^2\,e\,z-8960\,a\,b\,d\,e^2\,f+2450\,a\,b\,d^2\,f^2+4096\,a\,b\,e^4+625\,a^2\,f^4+2401\,b^2\,d^4,z,k\right )\,a^2\,b^3\,d^2\,x\,25088-{\mathrm {root}\left (68719476736\,a^{11}\,b^7\,z^4+36700160\,a^6\,b^4\,d\,f\,z^2+33554432\,a^6\,b^4\,e^2\,z^2+409600\,a^4\,b^2\,e\,f^2\,z-802816\,a^3\,b^3\,d^2\,e\,z-8960\,a\,b\,d\,e^2\,f+2450\,a\,b\,d^2\,f^2+4096\,a\,b\,e^4+625\,a^2\,f^4+2401\,b^2\,d^4,z,k\right )}^2\,a^5\,b^4\,e\,x\,2097152-\mathrm {root}\left (68719476736\,a^{11}\,b^7\,z^4+36700160\,a^6\,b^4\,d\,f\,z^2+33554432\,a^6\,b^4\,e^2\,z^2+409600\,a^4\,b^2\,e\,f^2\,z-802816\,a^3\,b^3\,d^2\,e\,z-8960\,a\,b\,d\,e^2\,f+2450\,a\,b\,d^2\,f^2+4096\,a\,b\,e^4+625\,a^2\,f^4+2401\,b^2\,d^4,z,k\right )\,a^3\,b^2\,f^2\,x\,12800+\mathrm {root}\left (68719476736\,a^{11}\,b^7\,z^4+36700160\,a^6\,b^4\,d\,f\,z^2+33554432\,a^6\,b^4\,e^2\,z^2+409600\,a^4\,b^2\,e\,f^2\,z-802816\,a^3\,b^3\,d^2\,e\,z-8960\,a\,b\,d\,e^2\,f+2450\,a\,b\,d^2\,f^2+4096\,a\,b\,e^4+625\,a^2\,f^4+2401\,b^2\,d^4,z,k\right )\,a^3\,b^2\,e\,f\,40960}{a^6\,b^2\,2097152}\right )\,\mathrm {root}\left (68719476736\,a^{11}\,b^7\,z^4+36700160\,a^6\,b^4\,d\,f\,z^2+33554432\,a^6\,b^4\,e^2\,z^2+409600\,a^4\,b^2\,e\,f^2\,z-802816\,a^3\,b^3\,d^2\,e\,z-8960\,a\,b\,d\,e^2\,f+2450\,a\,b\,d^2\,f^2+4096\,a\,b\,e^4+625\,a^2\,f^4+2401\,b^2\,d^4,z,k\right )\right ) \]
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