Optimal. Leaf size=211 \[ -\frac {1}{4} x^2 \log \left (1-a-b f^{c+d x}\right )+\frac {1}{4} x^2 \log \left (1+a+b f^{c+d x}\right )+\frac {1}{4} x^2 \log \left (1-\frac {b f^{c+d x}}{1-a}\right )-\frac {1}{4} x^2 \log \left (1+\frac {b f^{c+d x}}{1+a}\right )+\frac {x \text {PolyLog}\left (2,\frac {b f^{c+d x}}{1-a}\right )}{2 d \log (f)}-\frac {x \text {PolyLog}\left (2,-\frac {b f^{c+d x}}{1+a}\right )}{2 d \log (f)}-\frac {\text {PolyLog}\left (3,\frac {b f^{c+d x}}{1-a}\right )}{2 d^2 \log ^2(f)}+\frac {\text {PolyLog}\left (3,-\frac {b f^{c+d x}}{1+a}\right )}{2 d^2 \log ^2(f)} \]
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Rubi [A]
time = 0.11, antiderivative size = 211, normalized size of antiderivative = 1.00, number of steps
used = 9, number of rules used = 5, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.357, Rules used = {6348, 2612,
2611, 2320, 6724} \begin {gather*} -\frac {\text {Li}_3\left (\frac {b f^{c+d x}}{1-a}\right )}{2 d^2 \log ^2(f)}+\frac {\text {Li}_3\left (-\frac {b f^{c+d x}}{a+1}\right )}{2 d^2 \log ^2(f)}+\frac {x \text {Li}_2\left (\frac {b f^{c+d x}}{1-a}\right )}{2 d \log (f)}-\frac {x \text {Li}_2\left (-\frac {b f^{c+d x}}{a+1}\right )}{2 d \log (f)}-\frac {1}{4} x^2 \log \left (-a-b f^{c+d x}+1\right )+\frac {1}{4} x^2 \log \left (a+b f^{c+d x}+1\right )+\frac {1}{4} x^2 \log \left (1-\frac {b f^{c+d x}}{1-a}\right )-\frac {1}{4} x^2 \log \left (\frac {b f^{c+d x}}{a+1}+1\right ) \end {gather*}
Antiderivative was successfully verified.
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Rule 2320
Rule 2611
Rule 2612
Rule 6348
Rule 6724
Rubi steps
\begin {align*} \int x \tanh ^{-1}\left (a+b f^{c+d x}\right ) \, dx &=-\left (\frac {1}{2} \int x \log \left (1-a-b f^{c+d x}\right ) \, dx\right )+\frac {1}{2} \int x \log \left (1+a+b f^{c+d x}\right ) \, dx\\ &=-\frac {1}{4} x^2 \log \left (1-a-b f^{c+d x}\right )+\frac {1}{4} x^2 \log \left (1+a+b f^{c+d x}\right )+\frac {1}{4} x^2 \log \left (1-\frac {b f^{c+d x}}{1-a}\right )-\frac {1}{4} x^2 \log \left (1+\frac {b f^{c+d x}}{1+a}\right )-\frac {1}{2} \int x \log \left (1-\frac {b f^{c+d x}}{1-a}\right ) \, dx+\frac {1}{2} \int x \log \left (1+\frac {b f^{c+d x}}{1+a}\right ) \, dx\\ &=-\frac {1}{4} x^2 \log \left (1-a-b f^{c+d x}\right )+\frac {1}{4} x^2 \log \left (1+a+b f^{c+d x}\right )+\frac {1}{4} x^2 \log \left (1-\frac {b f^{c+d x}}{1-a}\right )-\frac {1}{4} x^2 \log \left (1+\frac {b f^{c+d x}}{1+a}\right )+\frac {x \text {Li}_2\left (\frac {b f^{c+d x}}{1-a}\right )}{2 d \log (f)}-\frac {x \text {Li}_2\left (-\frac {b f^{c+d x}}{1+a}\right )}{2 d \log (f)}-\frac {\int \text {Li}_2\left (\frac {b f^{c+d x}}{1-a}\right ) \, dx}{2 d \log (f)}+\frac {\int \text {Li}_2\left (-\frac {b f^{c+d x}}{1+a}\right ) \, dx}{2 d \log (f)}\\ &=-\frac {1}{4} x^2 \log \left (1-a-b f^{c+d x}\right )+\frac {1}{4} x^2 \log \left (1+a+b f^{c+d x}\right )+\frac {1}{4} x^2 \log \left (1-\frac {b f^{c+d x}}{1-a}\right )-\frac {1}{4} x^2 \log \left (1+\frac {b f^{c+d x}}{1+a}\right )+\frac {x \text {Li}_2\left (\frac {b f^{c+d x}}{1-a}\right )}{2 d \log (f)}-\frac {x \text {Li}_2\left (-\frac {b f^{c+d x}}{1+a}\right )}{2 d \log (f)}-\frac {\text {Subst}\left (\int \frac {\text {Li}_2\left (\frac {b x}{1-a}\right )}{x} \, dx,x,f^{c+d x}\right )}{2 d^2 \log ^2(f)}+\frac {\text {Subst}\left (\int \frac {\text {Li}_2\left (-\frac {b x}{1+a}\right )}{x} \, dx,x,f^{c+d x}\right )}{2 d^2 \log ^2(f)}\\ &=-\frac {1}{4} x^2 \log \left (1-a-b f^{c+d x}\right )+\frac {1}{4} x^2 \log \left (1+a+b f^{c+d x}\right )+\frac {1}{4} x^2 \log \left (1-\frac {b f^{c+d x}}{1-a}\right )-\frac {1}{4} x^2 \log \left (1+\frac {b f^{c+d x}}{1+a}\right )+\frac {x \text {Li}_2\left (\frac {b f^{c+d x}}{1-a}\right )}{2 d \log (f)}-\frac {x \text {Li}_2\left (-\frac {b f^{c+d x}}{1+a}\right )}{2 d \log (f)}-\frac {\text {Li}_3\left (\frac {b f^{c+d x}}{1-a}\right )}{2 d^2 \log ^2(f)}+\frac {\text {Li}_3\left (-\frac {b f^{c+d x}}{1+a}\right )}{2 d^2 \log ^2(f)}\\ \end {align*}
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Mathematica [A]
time = 0.08, size = 177, normalized size = 0.84 \begin {gather*} \frac {2 d^2 x^2 \tanh ^{-1}\left (a+b f^{c+d x}\right ) \log ^2(f)+d^2 x^2 \log ^2(f) \log \left (1+\frac {b f^{c+d x}}{-1+a}\right )-d^2 x^2 \log ^2(f) \log \left (1+\frac {b f^{c+d x}}{1+a}\right )+2 d x \log (f) \text {PolyLog}\left (2,-\frac {b f^{c+d x}}{-1+a}\right )-2 d x \log (f) \text {PolyLog}\left (2,-\frac {b f^{c+d x}}{1+a}\right )-2 \text {PolyLog}\left (3,-\frac {b f^{c+d x}}{-1+a}\right )+2 \text {PolyLog}\left (3,-\frac {b f^{c+d x}}{1+a}\right )}{4 d^2 \log ^2(f)} \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. \(595\) vs.
\(2(195)=390\).
time = 0.06, size = 596, normalized size = 2.82
method | result | size |
risch | \(\frac {x^{2} \ln \left (1+a +b \,f^{d x +c}\right )}{4}-\frac {x^{2} \ln \left (1-a -b \,f^{d x +c}\right )}{4}+\frac {\ln \left (1-\frac {b \,f^{d x} f^{c}}{1-a}\right ) x^{2}}{4}+\frac {\ln \left (1-\frac {b \,f^{d x} f^{c}}{1-a}\right ) x c}{2 d}+\frac {\ln \left (1-\frac {b \,f^{d x} f^{c}}{1-a}\right ) c^{2}}{4 d^{2}}+\frac {\polylog \left (2, \frac {b \,f^{d x} f^{c}}{1-a}\right ) x}{2 \ln \left (f \right ) d}+\frac {\polylog \left (2, \frac {b \,f^{d x} f^{c}}{1-a}\right ) c}{2 \ln \left (f \right ) d^{2}}-\frac {\polylog \left (3, \frac {b \,f^{d x} f^{c}}{1-a}\right )}{2 \ln \left (f \right )^{2} d^{2}}+\frac {c^{2} \ln \left (1-a -b \,f^{d x} f^{c}\right )}{4 d^{2}}-\frac {c \dilog \left (\frac {b \,f^{d x} f^{c}+a -1}{-1+a}\right )}{2 \ln \left (f \right ) d^{2}}-\frac {c \ln \left (\frac {b \,f^{d x} f^{c}+a -1}{-1+a}\right ) x}{2 d}-\frac {c^{2} \ln \left (\frac {b \,f^{d x} f^{c}+a -1}{-1+a}\right )}{2 d^{2}}-\frac {\ln \left (1-\frac {b \,f^{d x} f^{c}}{-a -1}\right ) x^{2}}{4}-\frac {\ln \left (1-\frac {b \,f^{d x} f^{c}}{-a -1}\right ) x c}{2 d}-\frac {\ln \left (1-\frac {b \,f^{d x} f^{c}}{-a -1}\right ) c^{2}}{4 d^{2}}-\frac {\polylog \left (2, \frac {b \,f^{d x} f^{c}}{-a -1}\right ) x}{2 \ln \left (f \right ) d}-\frac {\polylog \left (2, \frac {b \,f^{d x} f^{c}}{-a -1}\right ) c}{2 \ln \left (f \right ) d^{2}}+\frac {\polylog \left (3, \frac {b \,f^{d x} f^{c}}{-a -1}\right )}{2 \ln \left (f \right )^{2} d^{2}}-\frac {c^{2} \ln \left (1+a +b \,f^{d x} f^{c}\right )}{4 d^{2}}+\frac {c \dilog \left (\frac {1+a +b \,f^{d x} f^{c}}{1+a}\right )}{2 \ln \left (f \right ) d^{2}}+\frac {c \ln \left (\frac {1+a +b \,f^{d x} f^{c}}{1+a}\right ) x}{2 d}+\frac {c^{2} \ln \left (\frac {1+a +b \,f^{d x} f^{c}}{1+a}\right )}{2 d^{2}}\) | \(596\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.30, size = 194, normalized size = 0.92 \begin {gather*} -\frac {1}{4} \, b d {\left (\frac {d^{2} x^{2} \log \left (\frac {b f^{d x} f^{c}}{a + 1} + 1\right ) \log \left (f\right )^{2} + 2 \, d x {\rm Li}_2\left (-\frac {b f^{d x} f^{c}}{a + 1}\right ) \log \left (f\right ) - 2 \, {\rm Li}_{3}(-\frac {b f^{d x} f^{c}}{a + 1})}{b d^{3} \log \left (f\right )^{3}} - \frac {d^{2} x^{2} \log \left (\frac {b f^{d x} f^{c}}{a - 1} + 1\right ) \log \left (f\right )^{2} + 2 \, d x {\rm Li}_2\left (-\frac {b f^{d x} f^{c}}{a - 1}\right ) \log \left (f\right ) - 2 \, {\rm Li}_{3}(-\frac {b f^{d x} f^{c}}{a - 1})}{b d^{3} \log \left (f\right )^{3}}\right )} \log \left (f\right ) + \frac {1}{2} \, x^{2} \operatorname {artanh}\left (b f^{d x + c} + a\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 396 vs.
\(2 (188) = 376\).
time = 0.40, size = 396, normalized size = 1.88 \begin {gather*} \frac {d^{2} x^{2} \log \left (f\right )^{2} \log \left (-\frac {b \cosh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + b \sinh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + a + 1}{b \cosh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + b \sinh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + a - 1}\right ) - c^{2} \log \left (b \cosh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + b \sinh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + a + 1\right ) \log \left (f\right )^{2} + c^{2} \log \left (b \cosh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + b \sinh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + a - 1\right ) \log \left (f\right )^{2} - 2 \, d x {\rm Li}_2\left (-\frac {b \cosh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + b \sinh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + a + 1}{a + 1} + 1\right ) \log \left (f\right ) + 2 \, d x {\rm Li}_2\left (-\frac {b \cosh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + b \sinh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + a - 1}{a - 1} + 1\right ) \log \left (f\right ) - {\left (d^{2} x^{2} - c^{2}\right )} \log \left (f\right )^{2} \log \left (\frac {b \cosh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + b \sinh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + a + 1}{a + 1}\right ) + {\left (d^{2} x^{2} - c^{2}\right )} \log \left (f\right )^{2} \log \left (\frac {b \cosh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + b \sinh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + a - 1}{a - 1}\right ) + 2 \, {\rm polylog}\left (3, -\frac {b \cosh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + b \sinh \left ({\left (d x + c\right )} \log \left (f\right )\right )}{a + 1}\right ) - 2 \, {\rm polylog}\left (3, -\frac {b \cosh \left ({\left (d x + c\right )} \log \left (f\right )\right ) + b \sinh \left ({\left (d x + c\right )} \log \left (f\right )\right )}{a - 1}\right )}{4 \, d^{2} \log \left (f\right )^{2}} \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 x \operatorname {atanh}{\left (a + b f^{c} f^{d x} \right )}\, 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 = -0.00 \begin {gather*} \int x\,\mathrm {atanh}\left (a+b\,f^{c+d\,x}\right ) \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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