Integrand size = 22, antiderivative size = 141 \[ \int \frac {a+b \log \left (c \left (d+e \sqrt {x}\right )^n\right )}{x^4} \, dx=-\frac {b e n}{15 d x^{5/2}}+\frac {b e^2 n}{12 d^2 x^2}-\frac {b e^3 n}{9 d^3 x^{3/2}}+\frac {b e^4 n}{6 d^4 x}-\frac {b e^5 n}{3 d^5 \sqrt {x}}+\frac {b e^6 n \log \left (d+e \sqrt {x}\right )}{3 d^6}-\frac {a+b \log \left (c \left (d+e \sqrt {x}\right )^n\right )}{3 x^3}-\frac {b e^6 n \log (x)}{6 d^6} \]
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Time = 0.07 (sec) , antiderivative size = 141, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.136, Rules used = {2504, 2442, 46} \[ \int \frac {a+b \log \left (c \left (d+e \sqrt {x}\right )^n\right )}{x^4} \, dx=-\frac {a+b \log \left (c \left (d+e \sqrt {x}\right )^n\right )}{3 x^3}+\frac {b e^6 n \log \left (d+e \sqrt {x}\right )}{3 d^6}-\frac {b e^6 n \log (x)}{6 d^6}-\frac {b e^5 n}{3 d^5 \sqrt {x}}+\frac {b e^4 n}{6 d^4 x}-\frac {b e^3 n}{9 d^3 x^{3/2}}+\frac {b e^2 n}{12 d^2 x^2}-\frac {b e n}{15 d x^{5/2}} \]
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Rule 46
Rule 2442
Rule 2504
Rubi steps \begin{align*} \text {integral}& = 2 \text {Subst}\left (\int \frac {a+b \log \left (c (d+e x)^n\right )}{x^7} \, dx,x,\sqrt {x}\right ) \\ & = -\frac {a+b \log \left (c \left (d+e \sqrt {x}\right )^n\right )}{3 x^3}+\frac {1}{3} (b e n) \text {Subst}\left (\int \frac {1}{x^6 (d+e x)} \, dx,x,\sqrt {x}\right ) \\ & = -\frac {a+b \log \left (c \left (d+e \sqrt {x}\right )^n\right )}{3 x^3}+\frac {1}{3} (b e n) \text {Subst}\left (\int \left (\frac {1}{d x^6}-\frac {e}{d^2 x^5}+\frac {e^2}{d^3 x^4}-\frac {e^3}{d^4 x^3}+\frac {e^4}{d^5 x^2}-\frac {e^5}{d^6 x}+\frac {e^6}{d^6 (d+e x)}\right ) \, dx,x,\sqrt {x}\right ) \\ & = -\frac {b e n}{15 d x^{5/2}}+\frac {b e^2 n}{12 d^2 x^2}-\frac {b e^3 n}{9 d^3 x^{3/2}}+\frac {b e^4 n}{6 d^4 x}-\frac {b e^5 n}{3 d^5 \sqrt {x}}+\frac {b e^6 n \log \left (d+e \sqrt {x}\right )}{3 d^6}-\frac {a+b \log \left (c \left (d+e \sqrt {x}\right )^n\right )}{3 x^3}-\frac {b e^6 n \log (x)}{6 d^6} \\ \end{align*}
Time = 0.09 (sec) , antiderivative size = 128, normalized size of antiderivative = 0.91 \[ \int \frac {a+b \log \left (c \left (d+e \sqrt {x}\right )^n\right )}{x^4} \, dx=-\frac {a}{3 x^3}-\frac {b \log \left (c \left (d+e \sqrt {x}\right )^n\right )}{3 x^3}+\frac {1}{6} b e n \left (-\frac {2}{5 d x^{5/2}}+\frac {e}{2 d^2 x^2}-\frac {2 e^2}{3 d^3 x^{3/2}}+\frac {e^3}{d^4 x}-\frac {2 e^4}{d^5 \sqrt {x}}+\frac {2 e^5 \log \left (d+e \sqrt {x}\right )}{d^6}-\frac {e^5 \log (x)}{d^6}\right ) \]
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\[\int \frac {a +b \ln \left (c \left (d +e \sqrt {x}\right )^{n}\right )}{x^{4}}d x\]
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Time = 0.35 (sec) , antiderivative size = 124, normalized size of antiderivative = 0.88 \[ \int \frac {a+b \log \left (c \left (d+e \sqrt {x}\right )^n\right )}{x^4} \, dx=-\frac {60 \, b e^{6} n x^{3} \log \left (\sqrt {x}\right ) - 30 \, b d^{2} e^{4} n x^{2} - 15 \, b d^{4} e^{2} n x + 60 \, b d^{6} \log \left (c\right ) + 60 \, a d^{6} - 60 \, {\left (b e^{6} n x^{3} - b d^{6} n\right )} \log \left (e \sqrt {x} + d\right ) + 4 \, {\left (15 \, b d e^{5} n x^{2} + 5 \, b d^{3} e^{3} n x + 3 \, b d^{5} e n\right )} \sqrt {x}}{180 \, d^{6} x^{3}} \]
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Timed out. \[ \int \frac {a+b \log \left (c \left (d+e \sqrt {x}\right )^n\right )}{x^4} \, dx=\text {Timed out} \]
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Time = 0.19 (sec) , antiderivative size = 106, normalized size of antiderivative = 0.75 \[ \int \frac {a+b \log \left (c \left (d+e \sqrt {x}\right )^n\right )}{x^4} \, dx=\frac {1}{180} \, b e n {\left (\frac {60 \, e^{5} \log \left (e \sqrt {x} + d\right )}{d^{6}} - \frac {30 \, e^{5} \log \left (x\right )}{d^{6}} - \frac {60 \, e^{4} x^{2} - 30 \, d e^{3} x^{\frac {3}{2}} + 20 \, d^{2} e^{2} x - 15 \, d^{3} e \sqrt {x} + 12 \, d^{4}}{d^{5} x^{\frac {5}{2}}}\right )} - \frac {b \log \left ({\left (e \sqrt {x} + d\right )}^{n} c\right )}{3 \, x^{3}} - \frac {a}{3 \, x^{3}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 343 vs. \(2 (115) = 230\).
Time = 0.41 (sec) , antiderivative size = 343, normalized size of antiderivative = 2.43 \[ \int \frac {a+b \log \left (c \left (d+e \sqrt {x}\right )^n\right )}{x^4} \, dx=-\frac {\frac {60 \, b e^{7} n \log \left (e \sqrt {x} + d\right )}{{\left (e \sqrt {x} + d\right )}^{6} - 6 \, {\left (e \sqrt {x} + d\right )}^{5} d + 15 \, {\left (e \sqrt {x} + d\right )}^{4} d^{2} - 20 \, {\left (e \sqrt {x} + d\right )}^{3} d^{3} + 15 \, {\left (e \sqrt {x} + d\right )}^{2} d^{4} - 6 \, {\left (e \sqrt {x} + d\right )} d^{5} + d^{6}} - \frac {60 \, b e^{7} n \log \left (e \sqrt {x} + d\right )}{d^{6}} + \frac {60 \, b e^{7} n \log \left (e \sqrt {x}\right )}{d^{6}} + \frac {60 \, {\left (e \sqrt {x} + d\right )}^{5} b e^{7} n - 330 \, {\left (e \sqrt {x} + d\right )}^{4} b d e^{7} n + 740 \, {\left (e \sqrt {x} + d\right )}^{3} b d^{2} e^{7} n - 855 \, {\left (e \sqrt {x} + d\right )}^{2} b d^{3} e^{7} n + 522 \, {\left (e \sqrt {x} + d\right )} b d^{4} e^{7} n - 137 \, b d^{5} e^{7} n + 60 \, b d^{5} e^{7} \log \left (c\right ) + 60 \, a d^{5} e^{7}}{{\left (e \sqrt {x} + d\right )}^{6} d^{5} - 6 \, {\left (e \sqrt {x} + d\right )}^{5} d^{6} + 15 \, {\left (e \sqrt {x} + d\right )}^{4} d^{7} - 20 \, {\left (e \sqrt {x} + d\right )}^{3} d^{8} + 15 \, {\left (e \sqrt {x} + d\right )}^{2} d^{9} - 6 \, {\left (e \sqrt {x} + d\right )} d^{10} + d^{11}}}{180 \, e} \]
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Time = 1.88 (sec) , antiderivative size = 110, normalized size of antiderivative = 0.78 \[ \int \frac {a+b \log \left (c \left (d+e \sqrt {x}\right )^n\right )}{x^4} \, dx=\frac {2\,b\,e^6\,n\,\mathrm {atanh}\left (\frac {2\,e\,\sqrt {x}}{d}+1\right )}{3\,d^6}-\frac {\frac {b\,e\,n}{5\,d}+\frac {b\,e^3\,n\,x}{3\,d^3}-\frac {b\,e^2\,n\,\sqrt {x}}{4\,d^2}+\frac {b\,e^5\,n\,x^2}{d^5}-\frac {b\,e^4\,n\,x^{3/2}}{2\,d^4}}{3\,x^{5/2}}-\frac {b\,\ln \left (c\,{\left (d+e\,\sqrt {x}\right )}^n\right )}{3\,x^3}-\frac {a}{3\,x^3} \]
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