Integrand size = 22, antiderivative size = 65 \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{\sqrt {x}}\right )^n\right )}{x^2} \, dx=\frac {b n}{2 x}-\frac {b d n}{e \sqrt {x}}+\frac {b d^2 n \log \left (d+\frac {e}{\sqrt {x}}\right )}{e^2}-\frac {a+b \log \left (c \left (d+\frac {e}{\sqrt {x}}\right )^n\right )}{x} \]
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Time = 0.04 (sec) , antiderivative size = 65, 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, 45} \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{\sqrt {x}}\right )^n\right )}{x^2} \, dx=-\frac {a+b \log \left (c \left (d+\frac {e}{\sqrt {x}}\right )^n\right )}{x}+\frac {b d^2 n \log \left (d+\frac {e}{\sqrt {x}}\right )}{e^2}-\frac {b d n}{e \sqrt {x}}+\frac {b n}{2 x} \]
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Rule 45
Rule 2442
Rule 2504
Rubi steps \begin{align*} \text {integral}& = -\left (2 \text {Subst}\left (\int x \left (a+b \log \left (c (d+e x)^n\right )\right ) \, dx,x,\frac {1}{\sqrt {x}}\right )\right ) \\ & = -\frac {a+b \log \left (c \left (d+\frac {e}{\sqrt {x}}\right )^n\right )}{x}+(b e n) \text {Subst}\left (\int \frac {x^2}{d+e x} \, dx,x,\frac {1}{\sqrt {x}}\right ) \\ & = -\frac {a+b \log \left (c \left (d+\frac {e}{\sqrt {x}}\right )^n\right )}{x}+(b e n) \text {Subst}\left (\int \left (-\frac {d}{e^2}+\frac {x}{e}+\frac {d^2}{e^2 (d+e x)}\right ) \, dx,x,\frac {1}{\sqrt {x}}\right ) \\ & = \frac {b n}{2 x}-\frac {b d n}{e \sqrt {x}}+\frac {b d^2 n \log \left (d+\frac {e}{\sqrt {x}}\right )}{e^2}-\frac {a+b \log \left (c \left (d+\frac {e}{\sqrt {x}}\right )^n\right )}{x} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 68, normalized size of antiderivative = 1.05 \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{\sqrt {x}}\right )^n\right )}{x^2} \, dx=-\frac {a}{x}+\frac {b n}{2 x}-\frac {b d n}{e \sqrt {x}}+\frac {b d^2 n \log \left (d+\frac {e}{\sqrt {x}}\right )}{e^2}-\frac {b \log \left (c \left (d+\frac {e}{\sqrt {x}}\right )^n\right )}{x} \]
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Time = 0.51 (sec) , antiderivative size = 63, normalized size of antiderivative = 0.97
method | result | size |
derivativedivides | \(-\frac {a}{x}+\frac {b n}{2 x}-\frac {b \ln \left (c \,{\mathrm e}^{n \ln \left (d +\frac {e}{\sqrt {x}}\right )}\right )}{x}+\frac {b \,d^{2} n \ln \left (d +\frac {e}{\sqrt {x}}\right )}{e^{2}}-\frac {b d n}{e \sqrt {x}}\) | \(63\) |
default | \(-\frac {a}{x}+\frac {b n}{2 x}-\frac {b \ln \left (c \,{\mathrm e}^{n \ln \left (d +\frac {e}{\sqrt {x}}\right )}\right )}{x}+\frac {b \,d^{2} n \ln \left (d +\frac {e}{\sqrt {x}}\right )}{e^{2}}-\frac {b d n}{e \sqrt {x}}\) | \(63\) |
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Time = 0.30 (sec) , antiderivative size = 70, normalized size of antiderivative = 1.08 \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{\sqrt {x}}\right )^n\right )}{x^2} \, dx=-\frac {2 \, b d e n \sqrt {x} - b e^{2} n + 2 \, b e^{2} \log \left (c\right ) + 2 \, a e^{2} - 2 \, {\left (b d^{2} n x - b e^{2} n\right )} \log \left (\frac {d x + e \sqrt {x}}{x}\right )}{2 \, e^{2} x} \]
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Leaf count of result is larger than twice the leaf count of optimal. 391 vs. \(2 (58) = 116\).
Time = 137.10 (sec) , antiderivative size = 391, normalized size of antiderivative = 6.02 \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{\sqrt {x}}\right )^n\right )}{x^2} \, dx=\begin {cases} - \frac {a + b \log {\left (0^{n} c \right )}}{x} & \text {for}\: \left (d = 0 \vee d = - \frac {e}{\sqrt {x}}\right ) \wedge \left (d = - \frac {e}{\sqrt {x}} \vee e = 0\right ) \\- \frac {a + b \log {\left (c d^{n} \right )}}{x} & \text {for}\: e = 0 \\- \frac {2 a d e^{2} x^{3}}{2 d e^{2} x^{4} + 2 e^{3} x^{\frac {7}{2}}} - \frac {2 a e^{3} x^{\frac {5}{2}}}{2 d e^{2} x^{4} + 2 e^{3} x^{\frac {7}{2}}} + \frac {2 b d^{3} x^{4} \log {\left (c \left (d + \frac {e}{\sqrt {x}}\right )^{n} \right )}}{2 d e^{2} x^{4} + 2 e^{3} x^{\frac {7}{2}}} - \frac {2 b d^{2} e n x^{\frac {7}{2}}}{2 d e^{2} x^{4} + 2 e^{3} x^{\frac {7}{2}}} + \frac {2 b d^{2} e x^{\frac {7}{2}} \log {\left (c \left (d + \frac {e}{\sqrt {x}}\right )^{n} \right )}}{2 d e^{2} x^{4} + 2 e^{3} x^{\frac {7}{2}}} - \frac {b d e^{2} n x^{3}}{2 d e^{2} x^{4} + 2 e^{3} x^{\frac {7}{2}}} - \frac {2 b d e^{2} x^{3} \log {\left (c \left (d + \frac {e}{\sqrt {x}}\right )^{n} \right )}}{2 d e^{2} x^{4} + 2 e^{3} x^{\frac {7}{2}}} + \frac {b e^{3} n x^{\frac {5}{2}}}{2 d e^{2} x^{4} + 2 e^{3} x^{\frac {7}{2}}} - \frac {2 b e^{3} x^{\frac {5}{2}} \log {\left (c \left (d + \frac {e}{\sqrt {x}}\right )^{n} \right )}}{2 d e^{2} x^{4} + 2 e^{3} x^{\frac {7}{2}}} & \text {otherwise} \end {cases} \]
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Time = 0.20 (sec) , antiderivative size = 75, normalized size of antiderivative = 1.15 \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{\sqrt {x}}\right )^n\right )}{x^2} \, dx=\frac {1}{2} \, b e n {\left (\frac {2 \, d^{2} \log \left (d \sqrt {x} + e\right )}{e^{3}} - \frac {d^{2} \log \left (x\right )}{e^{3}} - \frac {2 \, d \sqrt {x} - e}{e^{2} x}\right )} - \frac {b \log \left (c {\left (d + \frac {e}{\sqrt {x}}\right )}^{n}\right )}{x} - \frac {a}{x} \]
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Leaf count of result is larger than twice the leaf count of optimal. 116 vs. \(2 (57) = 114\).
Time = 0.31 (sec) , antiderivative size = 116, normalized size of antiderivative = 1.78 \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{\sqrt {x}}\right )^n\right )}{x^2} \, dx=\frac {2 \, {\left (\frac {2 \, {\left (d \sqrt {x} + e\right )} b d n}{e \sqrt {x}} - \frac {{\left (d \sqrt {x} + e\right )}^{2} b n}{e x}\right )} \log \left (\frac {d \sqrt {x} + e}{\sqrt {x}}\right ) + \frac {{\left (b n - 2 \, b \log \left (c\right ) - 2 \, a\right )} {\left (d \sqrt {x} + e\right )}^{2}}{e x} - \frac {4 \, {\left (b d n - b d \log \left (c\right ) - a d\right )} {\left (d \sqrt {x} + e\right )}}{e \sqrt {x}}}{2 \, e} \]
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Time = 1.65 (sec) , antiderivative size = 60, normalized size of antiderivative = 0.92 \[ \int \frac {a+b \log \left (c \left (d+\frac {e}{\sqrt {x}}\right )^n\right )}{x^2} \, dx=\frac {b\,n}{2\,x}-\frac {a}{x}-\frac {b\,\ln \left (c\,{\left (d+\frac {e}{\sqrt {x}}\right )}^n\right )}{x}-\frac {b\,d\,n}{e\,\sqrt {x}}+\frac {b\,d^2\,n\,\ln \left (d+\frac {e}{\sqrt {x}}\right )}{e^2} \]
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