Integrand size = 22, antiderivative size = 132 \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{x^4} \, dx=\frac {2 b n}{27 x^3}-\frac {2 b d n}{21 e x^{7/3}}+\frac {2 b d^2 n}{15 e^2 x^{5/3}}-\frac {2 b d^3 n}{9 e^3 x}+\frac {2 b d^4 n}{3 e^4 \sqrt [3]{x}}+\frac {2 b d^{9/2} n \arctan \left (\frac {\sqrt {d} \sqrt [3]{x}}{\sqrt {e}}\right )}{3 e^{9/2}}-\frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{3 x^3} \]
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Time = 0.06 (sec) , antiderivative size = 132, normalized size of antiderivative = 1.00, number of steps used = 9, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.227, Rules used = {2505, 269, 348, 331, 211} \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{x^4} \, dx=-\frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{3 x^3}+\frac {2 b d^{9/2} n \arctan \left (\frac {\sqrt {d} \sqrt [3]{x}}{\sqrt {e}}\right )}{3 e^{9/2}}+\frac {2 b d^4 n}{3 e^4 \sqrt [3]{x}}-\frac {2 b d^3 n}{9 e^3 x}+\frac {2 b d^2 n}{15 e^2 x^{5/3}}-\frac {2 b d n}{21 e x^{7/3}}+\frac {2 b n}{27 x^3} \]
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Rule 211
Rule 269
Rule 331
Rule 348
Rule 2505
Rubi steps \begin{align*} \text {integral}& = -\frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{3 x^3}-\frac {1}{9} (2 b e n) \int \frac {1}{\left (d+\frac {e}{x^{2/3}}\right ) x^{14/3}} \, dx \\ & = -\frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{3 x^3}-\frac {1}{9} (2 b e n) \int \frac {1}{\left (e+d x^{2/3}\right ) x^4} \, dx \\ & = -\frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{3 x^3}-\frac {1}{3} (2 b e n) \text {Subst}\left (\int \frac {1}{x^{10} \left (e+d x^2\right )} \, dx,x,\sqrt [3]{x}\right ) \\ & = \frac {2 b n}{27 x^3}-\frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{3 x^3}+\frac {1}{3} (2 b d n) \text {Subst}\left (\int \frac {1}{x^8 \left (e+d x^2\right )} \, dx,x,\sqrt [3]{x}\right ) \\ & = \frac {2 b n}{27 x^3}-\frac {2 b d n}{21 e x^{7/3}}-\frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{3 x^3}-\frac {\left (2 b d^2 n\right ) \text {Subst}\left (\int \frac {1}{x^6 \left (e+d x^2\right )} \, dx,x,\sqrt [3]{x}\right )}{3 e} \\ & = \frac {2 b n}{27 x^3}-\frac {2 b d n}{21 e x^{7/3}}+\frac {2 b d^2 n}{15 e^2 x^{5/3}}-\frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{3 x^3}+\frac {\left (2 b d^3 n\right ) \text {Subst}\left (\int \frac {1}{x^4 \left (e+d x^2\right )} \, dx,x,\sqrt [3]{x}\right )}{3 e^2} \\ & = \frac {2 b n}{27 x^3}-\frac {2 b d n}{21 e x^{7/3}}+\frac {2 b d^2 n}{15 e^2 x^{5/3}}-\frac {2 b d^3 n}{9 e^3 x}-\frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{3 x^3}-\frac {\left (2 b d^4 n\right ) \text {Subst}\left (\int \frac {1}{x^2 \left (e+d x^2\right )} \, dx,x,\sqrt [3]{x}\right )}{3 e^3} \\ & = \frac {2 b n}{27 x^3}-\frac {2 b d n}{21 e x^{7/3}}+\frac {2 b d^2 n}{15 e^2 x^{5/3}}-\frac {2 b d^3 n}{9 e^3 x}+\frac {2 b d^4 n}{3 e^4 \sqrt [3]{x}}-\frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{3 x^3}+\frac {\left (2 b d^5 n\right ) \text {Subst}\left (\int \frac {1}{e+d x^2} \, dx,x,\sqrt [3]{x}\right )}{3 e^4} \\ & = \frac {2 b n}{27 x^3}-\frac {2 b d n}{21 e x^{7/3}}+\frac {2 b d^2 n}{15 e^2 x^{5/3}}-\frac {2 b d^3 n}{9 e^3 x}+\frac {2 b d^4 n}{3 e^4 \sqrt [3]{x}}+\frac {2 b d^{9/2} n \tan ^{-1}\left (\frac {\sqrt {d} \sqrt [3]{x}}{\sqrt {e}}\right )}{3 e^{9/2}}-\frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{3 x^3} \\ \end{align*}
Time = 0.11 (sec) , antiderivative size = 129, normalized size of antiderivative = 0.98 \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{x^4} \, dx=-\frac {a}{3 x^3}-\frac {2}{9} b e n \left (-\frac {1}{3 e x^3}+\frac {3 d}{7 e^2 x^{7/3}}-\frac {3 d^2}{5 e^3 x^{5/3}}+\frac {d^3}{e^4 x}-\frac {3 d^4}{e^5 \sqrt [3]{x}}+\frac {3 d^{9/2} \arctan \left (\frac {\sqrt {e}}{\sqrt {d} \sqrt [3]{x}}\right )}{e^{11/2}}\right )-\frac {b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{3 x^3} \]
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\[\int \frac {a +b \ln \left (c \left (d +\frac {e}{x^{\frac {2}{3}}}\right )^{n}\right )}{x^{4}}d x\]
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Time = 0.36 (sec) , antiderivative size = 339, normalized size of antiderivative = 2.57 \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{x^4} \, dx=\left [\frac {315 \, b d^{4} n x^{3} \sqrt {-\frac {d}{e}} \log \left (\frac {d^{3} x^{2} - 2 \, d e^{2} x \sqrt {-\frac {d}{e}} - e^{3} + 2 \, {\left (d^{2} e x \sqrt {-\frac {d}{e}} + d e^{2}\right )} x^{\frac {2}{3}} - 2 \, {\left (d^{2} e x - e^{3} \sqrt {-\frac {d}{e}}\right )} x^{\frac {1}{3}}}{d^{3} x^{2} + e^{3}}\right ) - 210 \, b d^{3} e n x^{2} + 126 \, b d^{2} e^{2} n x^{\frac {4}{3}} - 315 \, b e^{4} n \log \left (\frac {d x + e x^{\frac {1}{3}}}{x}\right ) + 70 \, b e^{4} n - 315 \, b e^{4} \log \left (c\right ) - 315 \, a e^{4} + 90 \, {\left (7 \, b d^{4} n x^{2} - b d e^{3} n\right )} x^{\frac {2}{3}}}{945 \, e^{4} x^{3}}, \frac {630 \, b d^{4} n x^{3} \sqrt {\frac {d}{e}} \arctan \left (x^{\frac {1}{3}} \sqrt {\frac {d}{e}}\right ) - 210 \, b d^{3} e n x^{2} + 126 \, b d^{2} e^{2} n x^{\frac {4}{3}} - 315 \, b e^{4} n \log \left (\frac {d x + e x^{\frac {1}{3}}}{x}\right ) + 70 \, b e^{4} n - 315 \, b e^{4} \log \left (c\right ) - 315 \, a e^{4} + 90 \, {\left (7 \, b d^{4} n x^{2} - b d e^{3} n\right )} x^{\frac {2}{3}}}{945 \, e^{4} x^{3}}\right ] \]
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Timed out. \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{x^4} \, dx=\text {Timed out} \]
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Exception generated. \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{x^4} \, dx=\text {Exception raised: ValueError} \]
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Time = 0.39 (sec) , antiderivative size = 111, normalized size of antiderivative = 0.84 \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{x^4} \, dx=\frac {1}{945} \, {\left (2 \, e {\left (\frac {315 \, d^{5} \arctan \left (\frac {d x^{\frac {1}{3}}}{\sqrt {d e}}\right )}{\sqrt {d e} e^{5}} + \frac {315 \, d^{4} x^{\frac {8}{3}} - 105 \, d^{3} e x^{2} + 63 \, d^{2} e^{2} x^{\frac {4}{3}} - 45 \, d e^{3} x^{\frac {2}{3}} + 35 \, e^{4}}{e^{5} x^{3}}\right )} - \frac {315 \, \log \left (d + \frac {e}{x^{\frac {2}{3}}}\right )}{x^{3}}\right )} b n - \frac {b \log \left (c\right )}{3 \, x^{3}} - \frac {a}{3 \, x^{3}} \]
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Timed out. \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )}{x^4} \, dx=\int \frac {a+b\,\ln \left (c\,{\left (d+\frac {e}{x^{2/3}}\right )}^n\right )}{x^4} \,d x \]
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