Optimal. Leaf size=157 \[ \frac {c d x}{f}+\frac {d^2 x^2}{2 f}-\frac {(c+d x)^3}{3 d}+\frac {(c+d x)^2 \log \left (1+e^{2 (e+f x)}\right )}{f}+\frac {d^2 \log (\cosh (e+f x))}{f^3}+\frac {d (c+d x) \text {PolyLog}\left (2,-e^{2 (e+f x)}\right )}{f^2}-\frac {d^2 \text {PolyLog}\left (3,-e^{2 (e+f x)}\right )}{2 f^3}-\frac {d (c+d x) \tanh (e+f x)}{f^2}-\frac {(c+d x)^2 \tanh ^2(e+f x)}{2 f} \]
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Rubi [A]
time = 0.17, antiderivative size = 157, normalized size of antiderivative = 1.00, number of steps
used = 9, number of rules used = 7, integrand size = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.438, Rules used = {3801, 3556,
3799, 2221, 2611, 2320, 6724} \begin {gather*} \frac {d (c+d x) \text {Li}_2\left (-e^{2 (e+f x)}\right )}{f^2}-\frac {d (c+d x) \tanh (e+f x)}{f^2}+\frac {(c+d x)^2 \log \left (e^{2 (e+f x)}+1\right )}{f}-\frac {(c+d x)^2 \tanh ^2(e+f x)}{2 f}+\frac {c d x}{f}-\frac {(c+d x)^3}{3 d}-\frac {d^2 \text {Li}_3\left (-e^{2 (e+f x)}\right )}{2 f^3}+\frac {d^2 \log (\cosh (e+f x))}{f^3}+\frac {d^2 x^2}{2 f} \end {gather*}
Antiderivative was successfully verified.
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Rule 2221
Rule 2320
Rule 2611
Rule 3556
Rule 3799
Rule 3801
Rule 6724
Rubi steps
\begin {align*} \int (c+d x)^2 \tanh ^3(e+f x) \, dx &=-\frac {(c+d x)^2 \tanh ^2(e+f x)}{2 f}+\frac {d \int (c+d x) \tanh ^2(e+f x) \, dx}{f}+\int (c+d x)^2 \tanh (e+f x) \, dx\\ &=-\frac {(c+d x)^3}{3 d}-\frac {d (c+d x) \tanh (e+f x)}{f^2}-\frac {(c+d x)^2 \tanh ^2(e+f x)}{2 f}+2 \int \frac {e^{2 (e+f x)} (c+d x)^2}{1+e^{2 (e+f x)}} \, dx+\frac {d^2 \int \tanh (e+f x) \, dx}{f^2}+\frac {d \int (c+d x) \, dx}{f}\\ &=\frac {c d x}{f}+\frac {d^2 x^2}{2 f}-\frac {(c+d x)^3}{3 d}+\frac {(c+d x)^2 \log \left (1+e^{2 (e+f x)}\right )}{f}+\frac {d^2 \log (\cosh (e+f x))}{f^3}-\frac {d (c+d x) \tanh (e+f x)}{f^2}-\frac {(c+d x)^2 \tanh ^2(e+f x)}{2 f}-\frac {(2 d) \int (c+d x) \log \left (1+e^{2 (e+f x)}\right ) \, dx}{f}\\ &=\frac {c d x}{f}+\frac {d^2 x^2}{2 f}-\frac {(c+d x)^3}{3 d}+\frac {(c+d x)^2 \log \left (1+e^{2 (e+f x)}\right )}{f}+\frac {d^2 \log (\cosh (e+f x))}{f^3}+\frac {d (c+d x) \text {Li}_2\left (-e^{2 (e+f x)}\right )}{f^2}-\frac {d (c+d x) \tanh (e+f x)}{f^2}-\frac {(c+d x)^2 \tanh ^2(e+f x)}{2 f}-\frac {d^2 \int \text {Li}_2\left (-e^{2 (e+f x)}\right ) \, dx}{f^2}\\ &=\frac {c d x}{f}+\frac {d^2 x^2}{2 f}-\frac {(c+d x)^3}{3 d}+\frac {(c+d x)^2 \log \left (1+e^{2 (e+f x)}\right )}{f}+\frac {d^2 \log (\cosh (e+f x))}{f^3}+\frac {d (c+d x) \text {Li}_2\left (-e^{2 (e+f x)}\right )}{f^2}-\frac {d (c+d x) \tanh (e+f x)}{f^2}-\frac {(c+d x)^2 \tanh ^2(e+f x)}{2 f}-\frac {d^2 \text {Subst}\left (\int \frac {\text {Li}_2(-x)}{x} \, dx,x,e^{2 (e+f x)}\right )}{2 f^3}\\ &=\frac {c d x}{f}+\frac {d^2 x^2}{2 f}-\frac {(c+d x)^3}{3 d}+\frac {(c+d x)^2 \log \left (1+e^{2 (e+f x)}\right )}{f}+\frac {d^2 \log (\cosh (e+f x))}{f^3}+\frac {d (c+d x) \text {Li}_2\left (-e^{2 (e+f x)}\right )}{f^2}-\frac {d^2 \text {Li}_3\left (-e^{2 (e+f x)}\right )}{2 f^3}-\frac {d (c+d x) \tanh (e+f x)}{f^2}-\frac {(c+d x)^2 \tanh ^2(e+f x)}{2 f}\\ \end {align*}
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Mathematica [C] Result contains complex when optimal does not.
time = 7.31, size = 463, normalized size = 2.95 \begin {gather*} \frac {d^2 e^{-e} \left (-2 f^2 x^2 \left (2 e^{2 e} f x-3 \left (1+e^{2 e}\right ) \log \left (1+e^{2 (e+f x)}\right )\right )+6 \left (1+e^{2 e}\right ) f x \text {PolyLog}\left (2,-e^{2 (e+f x)}\right )-3 \left (1+e^{2 e}\right ) \text {PolyLog}\left (3,-e^{2 (e+f x)}\right )\right ) \text {sech}(e)}{12 f^3}+\frac {(c+d x)^2 \text {sech}^2(e+f x)}{2 f}+\frac {d^2 \text {sech}(e) (\cosh (e) \log (\cosh (e) \cosh (f x)+\sinh (e) \sinh (f x))-f x \sinh (e))}{f^3 \left (\cosh ^2(e)-\sinh ^2(e)\right )}+\frac {c^2 \text {sech}(e) (\cosh (e) \log (\cosh (e) \cosh (f x)+\sinh (e) \sinh (f x))-f x \sinh (e))}{f \left (\cosh ^2(e)-\sinh ^2(e)\right )}+\frac {c d \text {csch}(e) \left (e^{-\tanh ^{-1}(\coth (e))} f^2 x^2-\frac {i \coth (e) \left (-f x \left (-\pi +2 i \tanh ^{-1}(\coth (e))\right )-\pi \log \left (1+e^{2 f x}\right )-2 \left (i f x+i \tanh ^{-1}(\coth (e))\right ) \log \left (1-e^{2 i \left (i f x+i \tanh ^{-1}(\coth (e))\right )}\right )+\pi \log (\cosh (f x))+2 i \tanh ^{-1}(\coth (e)) \log \left (i \sinh \left (f x+\tanh ^{-1}(\coth (e))\right )\right )+i \text {PolyLog}\left (2,e^{2 i \left (i f x+i \tanh ^{-1}(\coth (e))\right )}\right )\right )}{\sqrt {1-\coth ^2(e)}}\right ) \text {sech}(e)}{f^2 \sqrt {\text {csch}^2(e) \left (-\cosh ^2(e)+\sinh ^2(e)\right )}}+\frac {\text {sech}(e) \text {sech}(e+f x) \left (-c d \sinh (f x)-d^2 x \sinh (f x)\right )}{f^2}+\frac {1}{3} x \left (3 c^2+3 c d x+d^2 x^2\right ) \tanh (e) \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. \(374\) vs.
\(2(149)=298\).
time = 1.83, size = 375, normalized size = 2.39
method | result | size |
risch | \(-\frac {d^{2} x^{3}}{3}-d c \,x^{2}+c^{2} x +\frac {c^{3}}{3 d}+\frac {2 d^{2} f \,x^{2} {\mathrm e}^{2 f x +2 e}+4 c d f x \,{\mathrm e}^{2 f x +2 e}+2 c^{2} f \,{\mathrm e}^{2 f x +2 e}+2 d^{2} x \,{\mathrm e}^{2 f x +2 e}+2 c d \,{\mathrm e}^{2 f x +2 e}+2 d^{2} x +2 c d}{f^{2} \left (1+{\mathrm e}^{2 f x +2 e}\right )^{2}}+\frac {c d \polylog \left (2, -{\mathrm e}^{2 f x +2 e}\right )}{f^{2}}+\frac {\polylog \left (2, -{\mathrm e}^{2 f x +2 e}\right ) d^{2} x}{f^{2}}-\frac {4 c d e x}{f}-\frac {2 d c \,e^{2}}{f^{2}}+\frac {\ln \left (1+{\mathrm e}^{2 f x +2 e}\right ) d^{2} x^{2}}{f}+\frac {2 d^{2} e^{2} x}{f^{2}}+\frac {4 d e c \ln \left ({\mathrm e}^{f x +e}\right )}{f^{2}}+\frac {2 c d \ln \left (1+{\mathrm e}^{2 f x +2 e}\right ) x}{f}+\frac {c^{2} \ln \left (1+{\mathrm e}^{2 f x +2 e}\right )}{f}-\frac {2 c^{2} \ln \left ({\mathrm e}^{f x +e}\right )}{f}-\frac {2 d^{2} e^{2} \ln \left ({\mathrm e}^{f x +e}\right )}{f^{3}}+\frac {d^{2} \ln \left (1+{\mathrm e}^{2 f x +2 e}\right )}{f^{3}}-\frac {2 d^{2} \ln \left ({\mathrm e}^{f x +e}\right )}{f^{3}}+\frac {4 d^{2} e^{3}}{3 f^{3}}-\frac {d^{2} \polylog \left (3, -{\mathrm e}^{2 f x +2 e}\right )}{2 f^{3}}\) | \(375\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 402 vs.
\(2 (154) = 308\).
time = 0.55, size = 402, normalized size = 2.56 \begin {gather*} c^{2} {\left (x + \frac {e}{f} + \frac {\log \left (e^{\left (-2 \, f x - 2 \, e\right )} + 1\right )}{f} + \frac {2 \, e^{\left (-2 \, f x - 2 \, e\right )}}{f {\left (2 \, e^{\left (-2 \, f x - 2 \, e\right )} + e^{\left (-4 \, f x - 4 \, e\right )} + 1\right )}}\right )} + \frac {{\left (2 \, f x \log \left (e^{\left (2 \, f x + 2 \, e\right )} + 1\right ) + {\rm Li}_2\left (-e^{\left (2 \, f x + 2 \, e\right )}\right )\right )} c d}{f^{2}} - \frac {2 \, d^{2} x}{f^{2}} + \frac {d^{2} f^{2} x^{3} + 3 \, c d f^{2} x^{2} + 6 \, d^{2} x + 6 \, c d + {\left (d^{2} f^{2} x^{3} e^{\left (4 \, e\right )} + 3 \, c d f^{2} x^{2} e^{\left (4 \, e\right )}\right )} e^{\left (4 \, f x\right )} + 2 \, {\left (d^{2} f^{2} x^{3} e^{\left (2 \, e\right )} + 3 \, {\left (c d f^{2} + d^{2} f\right )} x^{2} e^{\left (2 \, e\right )} + 3 \, c d e^{\left (2 \, e\right )} + 3 \, {\left (2 \, c d f + d^{2}\right )} x e^{\left (2 \, e\right )}\right )} e^{\left (2 \, f x\right )}}{3 \, {\left (f^{2} e^{\left (4 \, f x + 4 \, e\right )} + 2 \, f^{2} e^{\left (2 \, f x + 2 \, e\right )} + f^{2}\right )}} + \frac {{\left (2 \, f^{2} x^{2} \log \left (e^{\left (2 \, f x + 2 \, e\right )} + 1\right ) + 2 \, f x {\rm Li}_2\left (-e^{\left (2 \, f x + 2 \, e\right )}\right ) - {\rm Li}_{3}(-e^{\left (2 \, f x + 2 \, e\right )})\right )} d^{2}}{2 \, f^{3}} + \frac {d^{2} \log \left (e^{\left (2 \, f x + 2 \, e\right )} + 1\right )}{f^{3}} - \frac {2 \, {\left (d^{2} f^{3} x^{3} + 3 \, c d f^{3} x^{2}\right )}}{3 \, f^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [C] Result contains complex when optimal does not.
time = 0.46, size = 4901, normalized size = 31.22 \begin {gather*} \text {Too large to display} \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 (c + d x\right )^{2} \tanh ^{3}{\left (e + f 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 = -0.01 \begin {gather*} \int {\mathrm {tanh}\left (e+f\,x\right )}^3\,{\left (c+d\,x\right )}^2 \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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