Optimal. Leaf size=74 \[ c \left (a+b \coth ^{-1}\left (\frac {x}{c}\right )\right )^2+x \left (a+b \coth ^{-1}\left (\frac {x}{c}\right )\right )^2-2 b c \left (a+b \coth ^{-1}\left (\frac {x}{c}\right )\right ) \log \left (\frac {2 c}{c-x}\right )-b^2 c \text {PolyLog}\left (2,-\frac {c+x}{c-x}\right ) \]
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Rubi [A]
time = 0.08, antiderivative size = 74, normalized size of antiderivative = 1.00, number of steps
used = 6, number of rules used = 6, integrand size = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {6025, 6022,
6132, 6056, 2449, 2352} \begin {gather*} c \left (a+b \coth ^{-1}\left (\frac {x}{c}\right )\right )^2+x \left (a+b \coth ^{-1}\left (\frac {x}{c}\right )\right )^2-2 b c \log \left (\frac {2 c}{c-x}\right ) \left (a+b \coth ^{-1}\left (\frac {x}{c}\right )\right )+b^2 (-c) \text {Li}_2\left (-\frac {c+x}{c-x}\right ) \end {gather*}
Antiderivative was successfully verified.
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Rule 2352
Rule 2449
Rule 6022
Rule 6025
Rule 6056
Rule 6132
Rubi steps
\begin {align*} \int \left (a+b \tanh ^{-1}\left (\frac {c}{x}\right )\right )^2 \, dx &=\int \left (a^2-a b \log \left (1-\frac {c}{x}\right )+\frac {1}{4} b^2 \log ^2\left (1-\frac {c}{x}\right )+a b \log \left (1+\frac {c}{x}\right )-\frac {1}{2} b^2 \log \left (1-\frac {c}{x}\right ) \log \left (1+\frac {c}{x}\right )+\frac {1}{4} b^2 \log ^2\left (1+\frac {c}{x}\right )\right ) \, dx\\ &=a^2 x-(a b) \int \log \left (1-\frac {c}{x}\right ) \, dx+(a b) \int \log \left (1+\frac {c}{x}\right ) \, dx+\frac {1}{4} b^2 \int \log ^2\left (1-\frac {c}{x}\right ) \, dx+\frac {1}{4} b^2 \int \log ^2\left (1+\frac {c}{x}\right ) \, dx-\frac {1}{2} b^2 \int \log \left (1-\frac {c}{x}\right ) \log \left (1+\frac {c}{x}\right ) \, dx\\ &=a^2 x-a b x \log \left (1-\frac {c}{x}\right )-\frac {1}{4} b^2 (c-x) \log ^2\left (1-\frac {c}{x}\right )+a b x \log \left (1+\frac {c}{x}\right )-\frac {1}{2} b^2 x \log \left (1-\frac {c}{x}\right ) \log \left (1+\frac {c}{x}\right )+\frac {1}{4} b^2 (c+x) \log ^2\left (1+\frac {c}{x}\right )+\frac {1}{2} b^2 \int \frac {c \log \left (1-\frac {c}{x}\right )}{-c-x} \, dx+\frac {1}{2} b^2 \int \frac {c \log \left (1+\frac {c}{x}\right )}{-c+x} \, dx+(a b c) \int \frac {1}{\left (1-\frac {c}{x}\right ) x} \, dx+(a b c) \int \frac {1}{\left (1+\frac {c}{x}\right ) x} \, dx-\frac {1}{2} \left (b^2 c\right ) \int \frac {\log \left (1-\frac {c}{x}\right )}{x} \, dx+\frac {1}{2} \left (b^2 c\right ) \int \frac {\log \left (1+\frac {c}{x}\right )}{x} \, dx\\ &=a^2 x-a b x \log \left (1-\frac {c}{x}\right )-\frac {1}{4} b^2 (c-x) \log ^2\left (1-\frac {c}{x}\right )+a b x \log \left (1+\frac {c}{x}\right )-\frac {1}{2} b^2 x \log \left (1-\frac {c}{x}\right ) \log \left (1+\frac {c}{x}\right )+\frac {1}{4} b^2 (c+x) \log ^2\left (1+\frac {c}{x}\right )+\frac {1}{2} b^2 c \text {Li}_2\left (-\frac {c}{x}\right )-\frac {1}{2} b^2 c \text {Li}_2\left (\frac {c}{x}\right )+(a b c) \int \frac {1}{-c+x} \, dx+(a b c) \int \frac {1}{c+x} \, dx+\frac {1}{2} \left (b^2 c\right ) \int \frac {\log \left (1-\frac {c}{x}\right )}{-c-x} \, dx+\frac {1}{2} \left (b^2 c\right ) \int \frac {\log \left (1+\frac {c}{x}\right )}{-c+x} \, dx\\ &=a^2 x-a b x \log \left (1-\frac {c}{x}\right )-\frac {1}{4} b^2 (c-x) \log ^2\left (1-\frac {c}{x}\right )+a b x \log \left (1+\frac {c}{x}\right )-\frac {1}{2} b^2 x \log \left (1-\frac {c}{x}\right ) \log \left (1+\frac {c}{x}\right )+\frac {1}{4} b^2 (c+x) \log ^2\left (1+\frac {c}{x}\right )-\frac {1}{2} b^2 c \log \left (1-\frac {c}{x}\right ) \log (-c-x)+a b c \log (c-x)+\frac {1}{2} b^2 c \log \left (1+\frac {c}{x}\right ) \log (-c+x)+a b c \log (c+x)+\frac {1}{2} b^2 c \text {Li}_2\left (-\frac {c}{x}\right )-\frac {1}{2} b^2 c \text {Li}_2\left (\frac {c}{x}\right )+\frac {1}{2} \left (b^2 c^2\right ) \int \frac {\log (-c-x)}{\left (1-\frac {c}{x}\right ) x^2} \, dx+\frac {1}{2} \left (b^2 c^2\right ) \int \frac {\log (-c+x)}{\left (1+\frac {c}{x}\right ) x^2} \, dx\\ &=a^2 x-a b x \log \left (1-\frac {c}{x}\right )-\frac {1}{4} b^2 (c-x) \log ^2\left (1-\frac {c}{x}\right )+a b x \log \left (1+\frac {c}{x}\right )-\frac {1}{2} b^2 x \log \left (1-\frac {c}{x}\right ) \log \left (1+\frac {c}{x}\right )+\frac {1}{4} b^2 (c+x) \log ^2\left (1+\frac {c}{x}\right )-\frac {1}{2} b^2 c \log \left (1-\frac {c}{x}\right ) \log (-c-x)+a b c \log (c-x)+\frac {1}{2} b^2 c \log \left (1+\frac {c}{x}\right ) \log (-c+x)+a b c \log (c+x)+\frac {1}{2} b^2 c \text {Li}_2\left (-\frac {c}{x}\right )-\frac {1}{2} b^2 c \text {Li}_2\left (\frac {c}{x}\right )+\frac {1}{2} \left (b^2 c^2\right ) \int \left (-\frac {\log (-c-x)}{c (c-x)}-\frac {\log (-c-x)}{c x}\right ) \, dx+\frac {1}{2} \left (b^2 c^2\right ) \int \left (\frac {\log (-c+x)}{c x}-\frac {\log (-c+x)}{c (c+x)}\right ) \, dx\\ &=a^2 x-a b x \log \left (1-\frac {c}{x}\right )-\frac {1}{4} b^2 (c-x) \log ^2\left (1-\frac {c}{x}\right )+a b x \log \left (1+\frac {c}{x}\right )-\frac {1}{2} b^2 x \log \left (1-\frac {c}{x}\right ) \log \left (1+\frac {c}{x}\right )+\frac {1}{4} b^2 (c+x) \log ^2\left (1+\frac {c}{x}\right )-\frac {1}{2} b^2 c \log \left (1-\frac {c}{x}\right ) \log (-c-x)+a b c \log (c-x)+\frac {1}{2} b^2 c \log \left (1+\frac {c}{x}\right ) \log (-c+x)+a b c \log (c+x)+\frac {1}{2} b^2 c \text {Li}_2\left (-\frac {c}{x}\right )-\frac {1}{2} b^2 c \text {Li}_2\left (\frac {c}{x}\right )-\frac {1}{2} \left (b^2 c\right ) \int \frac {\log (-c-x)}{c-x} \, dx-\frac {1}{2} \left (b^2 c\right ) \int \frac {\log (-c-x)}{x} \, dx+\frac {1}{2} \left (b^2 c\right ) \int \frac {\log (-c+x)}{x} \, dx-\frac {1}{2} \left (b^2 c\right ) \int \frac {\log (-c+x)}{c+x} \, dx\\ &=a^2 x-a b x \log \left (1-\frac {c}{x}\right )-\frac {1}{4} b^2 (c-x) \log ^2\left (1-\frac {c}{x}\right )+a b x \log \left (1+\frac {c}{x}\right )-\frac {1}{2} b^2 x \log \left (1-\frac {c}{x}\right ) \log \left (1+\frac {c}{x}\right )+\frac {1}{4} b^2 (c+x) \log ^2\left (1+\frac {c}{x}\right )-\frac {1}{2} b^2 c \log \left (1-\frac {c}{x}\right ) \log (-c-x)+a b c \log (c-x)+\frac {1}{2} b^2 c \log (-c-x) \log \left (\frac {c-x}{2 c}\right )-\frac {1}{2} b^2 c \log (-c-x) \log \left (-\frac {x}{c}\right )+\frac {1}{2} b^2 c \log \left (1+\frac {c}{x}\right ) \log (-c+x)+\frac {1}{2} b^2 c \log \left (\frac {x}{c}\right ) \log (-c+x)+a b c \log (c+x)-\frac {1}{2} b^2 c \log (-c+x) \log \left (\frac {c+x}{2 c}\right )+\frac {1}{2} b^2 c \text {Li}_2\left (-\frac {c}{x}\right )-\frac {1}{2} b^2 c \text {Li}_2\left (\frac {c}{x}\right )-\frac {1}{2} \left (b^2 c\right ) \int \frac {\log \left (-\frac {x}{c}\right )}{-c-x} \, dx-\frac {1}{2} \left (b^2 c\right ) \int \frac {\log \left (\frac {x}{c}\right )}{-c+x} \, dx+\frac {1}{2} \left (b^2 c\right ) \int \frac {\log \left (-\frac {-c+x}{2 c}\right )}{-c-x} \, dx+\frac {1}{2} \left (b^2 c\right ) \int \frac {\log \left (\frac {c+x}{2 c}\right )}{-c+x} \, dx\\ &=a^2 x-a b x \log \left (1-\frac {c}{x}\right )-\frac {1}{4} b^2 (c-x) \log ^2\left (1-\frac {c}{x}\right )+a b x \log \left (1+\frac {c}{x}\right )-\frac {1}{2} b^2 x \log \left (1-\frac {c}{x}\right ) \log \left (1+\frac {c}{x}\right )+\frac {1}{4} b^2 (c+x) \log ^2\left (1+\frac {c}{x}\right )-\frac {1}{2} b^2 c \log \left (1-\frac {c}{x}\right ) \log (-c-x)+a b c \log (c-x)+\frac {1}{2} b^2 c \log (-c-x) \log \left (\frac {c-x}{2 c}\right )-\frac {1}{2} b^2 c \log (-c-x) \log \left (-\frac {x}{c}\right )+\frac {1}{2} b^2 c \log \left (1+\frac {c}{x}\right ) \log (-c+x)+\frac {1}{2} b^2 c \log \left (\frac {x}{c}\right ) \log (-c+x)+a b c \log (c+x)-\frac {1}{2} b^2 c \log (-c+x) \log \left (\frac {c+x}{2 c}\right )+\frac {1}{2} b^2 c \text {Li}_2\left (-\frac {c}{x}\right )-\frac {1}{2} b^2 c \text {Li}_2\left (\frac {c}{x}\right )+\frac {1}{2} b^2 c \text {Li}_2\left (1-\frac {x}{c}\right )-\frac {1}{2} b^2 c \text {Li}_2\left (1+\frac {x}{c}\right )-\frac {1}{2} \left (b^2 c\right ) \text {Subst}\left (\int \frac {\log \left (1+\frac {x}{2 c}\right )}{x} \, dx,x,-c-x\right )+\frac {1}{2} \left (b^2 c\right ) \text {Subst}\left (\int \frac {\log \left (1+\frac {x}{2 c}\right )}{x} \, dx,x,-c+x\right )\\ &=a^2 x-a b x \log \left (1-\frac {c}{x}\right )-\frac {1}{4} b^2 (c-x) \log ^2\left (1-\frac {c}{x}\right )+a b x \log \left (1+\frac {c}{x}\right )-\frac {1}{2} b^2 x \log \left (1-\frac {c}{x}\right ) \log \left (1+\frac {c}{x}\right )+\frac {1}{4} b^2 (c+x) \log ^2\left (1+\frac {c}{x}\right )-\frac {1}{2} b^2 c \log \left (1-\frac {c}{x}\right ) \log (-c-x)+a b c \log (c-x)+\frac {1}{2} b^2 c \log (-c-x) \log \left (\frac {c-x}{2 c}\right )-\frac {1}{2} b^2 c \log (-c-x) \log \left (-\frac {x}{c}\right )+\frac {1}{2} b^2 c \log \left (1+\frac {c}{x}\right ) \log (-c+x)+\frac {1}{2} b^2 c \log \left (\frac {x}{c}\right ) \log (-c+x)+a b c \log (c+x)-\frac {1}{2} b^2 c \log (-c+x) \log \left (\frac {c+x}{2 c}\right )-\frac {1}{2} b^2 c \text {Li}_2\left (\frac {c-x}{2 c}\right )+\frac {1}{2} b^2 c \text {Li}_2\left (-\frac {c}{x}\right )-\frac {1}{2} b^2 c \text {Li}_2\left (\frac {c}{x}\right )+\frac {1}{2} b^2 c \text {Li}_2\left (\frac {c+x}{2 c}\right )+\frac {1}{2} b^2 c \text {Li}_2\left (1-\frac {x}{c}\right )-\frac {1}{2} b^2 c \text {Li}_2\left (1+\frac {x}{c}\right )\\ \end {align*}
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Mathematica [A]
time = 0.08, size = 97, normalized size = 1.31 \begin {gather*} b^2 (-c+x) \tanh ^{-1}\left (\frac {c}{x}\right )^2+2 b \tanh ^{-1}\left (\frac {c}{x}\right ) \left (a x-b c \log \left (1-e^{-2 \tanh ^{-1}\left (\frac {c}{x}\right )}\right )\right )+a \left (a x+b c \log \left (1-\frac {c^2}{x^2}\right )-2 b c \log \left (\frac {c}{x}\right )\right )+b^2 c \text {PolyLog}\left (2,e^{-2 \tanh ^{-1}\left (\frac {c}{x}\right )}\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(286\) vs.
\(2(77)=154\).
time = 0.22, size = 287, normalized size = 3.88
method | result | size |
derivativedivides | \(-c \left (-\frac {a^{2} x}{c}-\frac {b^{2} x \arctanh \left (\frac {c}{x}\right )^{2}}{c}-b^{2} \arctanh \left (\frac {c}{x}\right ) \ln \left (1+\frac {c}{x}\right )+2 b^{2} \ln \left (\frac {c}{x}\right ) \arctanh \left (\frac {c}{x}\right )-b^{2} \arctanh \left (\frac {c}{x}\right ) \ln \left (\frac {c}{x}-1\right )-\frac {b^{2} \ln \left (\frac {c}{x}-1\right )^{2}}{4}+b^{2} \dilog \left (\frac {c}{2 x}+\frac {1}{2}\right )+\frac {b^{2} \ln \left (\frac {c}{x}-1\right ) \ln \left (\frac {c}{2 x}+\frac {1}{2}\right )}{2}+\frac {b^{2} \ln \left (1+\frac {c}{x}\right )^{2}}{4}+\frac {b^{2} \ln \left (-\frac {c}{2 x}+\frac {1}{2}\right ) \ln \left (\frac {c}{2 x}+\frac {1}{2}\right )}{2}-\frac {b^{2} \ln \left (-\frac {c}{2 x}+\frac {1}{2}\right ) \ln \left (1+\frac {c}{x}\right )}{2}-b^{2} \dilog \left (1+\frac {c}{x}\right )-b^{2} \ln \left (\frac {c}{x}\right ) \ln \left (1+\frac {c}{x}\right )-b^{2} \dilog \left (\frac {c}{x}\right )-\frac {2 a b x \arctanh \left (\frac {c}{x}\right )}{c}-a b \ln \left (1+\frac {c}{x}\right )+2 a b \ln \left (\frac {c}{x}\right )-a b \ln \left (\frac {c}{x}-1\right )\right )\) | \(287\) |
default | \(-c \left (-\frac {a^{2} x}{c}-\frac {b^{2} x \arctanh \left (\frac {c}{x}\right )^{2}}{c}-b^{2} \arctanh \left (\frac {c}{x}\right ) \ln \left (1+\frac {c}{x}\right )+2 b^{2} \ln \left (\frac {c}{x}\right ) \arctanh \left (\frac {c}{x}\right )-b^{2} \arctanh \left (\frac {c}{x}\right ) \ln \left (\frac {c}{x}-1\right )-\frac {b^{2} \ln \left (\frac {c}{x}-1\right )^{2}}{4}+b^{2} \dilog \left (\frac {c}{2 x}+\frac {1}{2}\right )+\frac {b^{2} \ln \left (\frac {c}{x}-1\right ) \ln \left (\frac {c}{2 x}+\frac {1}{2}\right )}{2}+\frac {b^{2} \ln \left (1+\frac {c}{x}\right )^{2}}{4}+\frac {b^{2} \ln \left (-\frac {c}{2 x}+\frac {1}{2}\right ) \ln \left (\frac {c}{2 x}+\frac {1}{2}\right )}{2}-\frac {b^{2} \ln \left (-\frac {c}{2 x}+\frac {1}{2}\right ) \ln \left (1+\frac {c}{x}\right )}{2}-b^{2} \dilog \left (1+\frac {c}{x}\right )-b^{2} \ln \left (\frac {c}{x}\right ) \ln \left (1+\frac {c}{x}\right )-b^{2} \dilog \left (\frac {c}{x}\right )-\frac {2 a b x \arctanh \left (\frac {c}{x}\right )}{c}-a b \ln \left (1+\frac {c}{x}\right )+2 a b \ln \left (\frac {c}{x}\right )-a b \ln \left (\frac {c}{x}-1\right )\right )\) | \(287\) |
risch | \(\text {Expression too large to display}\) | \(5973\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \left (a + b \operatorname {atanh}{\left (\frac {c}{x} \right )}\right )^{2}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int {\left (a+b\,\mathrm {atanh}\left (\frac {c}{x}\right )\right )}^2 \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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