Integrand size = 18, antiderivative size = 46 \[ \int \frac {\log \left (c \left (a+b \sqrt {x}\right )^p\right )}{x} \, dx=2 \log \left (c \left (a+b \sqrt {x}\right )^p\right ) \log \left (-\frac {b \sqrt {x}}{a}\right )+2 p \operatorname {PolyLog}\left (2,1+\frac {b \sqrt {x}}{a}\right ) \]
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Time = 0.03 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {2504, 2441, 2352} \[ \int \frac {\log \left (c \left (a+b \sqrt {x}\right )^p\right )}{x} \, dx=2 \log \left (-\frac {b \sqrt {x}}{a}\right ) \log \left (c \left (a+b \sqrt {x}\right )^p\right )+2 p \operatorname {PolyLog}\left (2,\frac {\sqrt {x} b}{a}+1\right ) \]
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Rule 2352
Rule 2441
Rule 2504
Rubi steps \begin{align*} \text {integral}& = 2 \text {Subst}\left (\int \frac {\log \left (c (a+b x)^p\right )}{x} \, dx,x,\sqrt {x}\right ) \\ & = 2 \log \left (c \left (a+b \sqrt {x}\right )^p\right ) \log \left (-\frac {b \sqrt {x}}{a}\right )-(2 b p) \text {Subst}\left (\int \frac {\log \left (-\frac {b x}{a}\right )}{a+b x} \, dx,x,\sqrt {x}\right ) \\ & = 2 \log \left (c \left (a+b \sqrt {x}\right )^p\right ) \log \left (-\frac {b \sqrt {x}}{a}\right )+2 p \text {Li}_2\left (1+\frac {b \sqrt {x}}{a}\right ) \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 47, normalized size of antiderivative = 1.02 \[ \int \frac {\log \left (c \left (a+b \sqrt {x}\right )^p\right )}{x} \, dx=2 \log \left (c \left (a+b \sqrt {x}\right )^p\right ) \log \left (-\frac {b \sqrt {x}}{a}\right )+2 p \operatorname {PolyLog}\left (2,\frac {a+b \sqrt {x}}{a}\right ) \]
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Time = 0.36 (sec) , antiderivative size = 58, normalized size of antiderivative = 1.26
method | result | size |
parts | \(\ln \left (c \left (a +b \sqrt {x}\right )^{p}\right ) \ln \left (x \right )-\frac {p b \left (\frac {4 \operatorname {dilog}\left (\frac {a +b \sqrt {x}}{a}\right )}{b}+\frac {2 \ln \left (x \right ) \ln \left (\frac {a +b \sqrt {x}}{a}\right )}{b}\right )}{2}\) | \(58\) |
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\[ \int \frac {\log \left (c \left (a+b \sqrt {x}\right )^p\right )}{x} \, dx=\int { \frac {\log \left ({\left (b \sqrt {x} + a\right )}^{p} c\right )}{x} \,d x } \]
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\[ \int \frac {\log \left (c \left (a+b \sqrt {x}\right )^p\right )}{x} \, dx=\int \frac {\log {\left (c \left (a + b \sqrt {x}\right )^{p} \right )}}{x}\, dx \]
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Leaf count of result is larger than twice the leaf count of optimal. 79 vs. \(2 (39) = 78\).
Time = 0.20 (sec) , antiderivative size = 79, normalized size of antiderivative = 1.72 \[ \int \frac {\log \left (c \left (a+b \sqrt {x}\right )^p\right )}{x} \, dx=b p {\left (\frac {\log \left (b \sqrt {x} + a\right ) \log \left (x\right )}{b} - \frac {\log \left (x\right ) \log \left (\frac {b \sqrt {x}}{a} + 1\right ) + 2 \, {\rm Li}_2\left (-\frac {b \sqrt {x}}{a}\right )}{b}\right )} - p \log \left (b \sqrt {x} + a\right ) \log \left (x\right ) + \log \left ({\left (b \sqrt {x} + a\right )}^{p} c\right ) \log \left (x\right ) \]
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\[ \int \frac {\log \left (c \left (a+b \sqrt {x}\right )^p\right )}{x} \, dx=\int { \frac {\log \left ({\left (b \sqrt {x} + a\right )}^{p} c\right )}{x} \,d x } \]
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Timed out. \[ \int \frac {\log \left (c \left (a+b \sqrt {x}\right )^p\right )}{x} \, dx=\int \frac {\ln \left (c\,{\left (a+b\,\sqrt {x}\right )}^p\right )}{x} \,d x \]
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