Optimal. Leaf size=234 \[ \frac {i (e+f x)^3 \text {ArcTan}\left (e^{2 i (a+b x)}\right )}{3 f}+\frac {(e+f x)^3 \tanh ^{-1}(\cot (a+b x))}{3 f}-\frac {i (e+f x)^2 \text {PolyLog}\left (2,-i e^{2 i (a+b x)}\right )}{4 b}+\frac {i (e+f x)^2 \text {PolyLog}\left (2,i e^{2 i (a+b x)}\right )}{4 b}+\frac {f (e+f x) \text {PolyLog}\left (3,-i e^{2 i (a+b x)}\right )}{4 b^2}-\frac {f (e+f x) \text {PolyLog}\left (3,i e^{2 i (a+b x)}\right )}{4 b^2}+\frac {i f^2 \text {PolyLog}\left (4,-i e^{2 i (a+b x)}\right )}{8 b^3}-\frac {i f^2 \text {PolyLog}\left (4,i e^{2 i (a+b x)}\right )}{8 b^3} \]
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Rubi [A]
time = 0.12, antiderivative size = 234, normalized size of antiderivative = 1.00, number of steps
used = 10, number of rules used = 6, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.400, Rules used = {6388, 4266,
2611, 6744, 2320, 6724} \begin {gather*} \frac {i (e+f x)^3 \text {ArcTan}\left (e^{2 i (a+b x)}\right )}{3 f}+\frac {i f^2 \text {Li}_4\left (-i e^{2 i (a+b x)}\right )}{8 b^3}-\frac {i f^2 \text {Li}_4\left (i e^{2 i (a+b x)}\right )}{8 b^3}+\frac {f (e+f x) \text {Li}_3\left (-i e^{2 i (a+b x)}\right )}{4 b^2}-\frac {f (e+f x) \text {Li}_3\left (i e^{2 i (a+b x)}\right )}{4 b^2}-\frac {i (e+f x)^2 \text {Li}_2\left (-i e^{2 i (a+b x)}\right )}{4 b}+\frac {i (e+f x)^2 \text {Li}_2\left (i e^{2 i (a+b x)}\right )}{4 b}+\frac {(e+f x)^3 \tanh ^{-1}(\cot (a+b x))}{3 f} \end {gather*}
Antiderivative was successfully verified.
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Rule 2320
Rule 2611
Rule 4266
Rule 6388
Rule 6724
Rule 6744
Rubi steps
\begin {align*} \int (e+f x)^2 \tanh ^{-1}(\cot (a+b x)) \, dx &=\frac {(e+f x)^3 \tanh ^{-1}(\cot (a+b x))}{3 f}-\frac {b \int (e+f x)^3 \sec (2 a+2 b x) \, dx}{3 f}\\ &=\frac {i (e+f x)^3 \tan ^{-1}\left (e^{2 i (a+b x)}\right )}{3 f}+\frac {(e+f x)^3 \tanh ^{-1}(\cot (a+b x))}{3 f}+\frac {1}{2} \int (e+f x)^2 \log \left (1-i e^{i (2 a+2 b x)}\right ) \, dx-\frac {1}{2} \int (e+f x)^2 \log \left (1+i e^{i (2 a+2 b x)}\right ) \, dx\\ &=\frac {i (e+f x)^3 \tan ^{-1}\left (e^{2 i (a+b x)}\right )}{3 f}+\frac {(e+f x)^3 \tanh ^{-1}(\cot (a+b x))}{3 f}-\frac {i (e+f x)^2 \text {Li}_2\left (-i e^{2 i (a+b x)}\right )}{4 b}+\frac {i (e+f x)^2 \text {Li}_2\left (i e^{2 i (a+b x)}\right )}{4 b}+\frac {(i f) \int (e+f x) \text {Li}_2\left (-i e^{i (2 a+2 b x)}\right ) \, dx}{2 b}-\frac {(i f) \int (e+f x) \text {Li}_2\left (i e^{i (2 a+2 b x)}\right ) \, dx}{2 b}\\ &=\frac {i (e+f x)^3 \tan ^{-1}\left (e^{2 i (a+b x)}\right )}{3 f}+\frac {(e+f x)^3 \tanh ^{-1}(\cot (a+b x))}{3 f}-\frac {i (e+f x)^2 \text {Li}_2\left (-i e^{2 i (a+b x)}\right )}{4 b}+\frac {i (e+f x)^2 \text {Li}_2\left (i e^{2 i (a+b x)}\right )}{4 b}+\frac {f (e+f x) \text {Li}_3\left (-i e^{2 i (a+b x)}\right )}{4 b^2}-\frac {f (e+f x) \text {Li}_3\left (i e^{2 i (a+b x)}\right )}{4 b^2}-\frac {f^2 \int \text {Li}_3\left (-i e^{i (2 a+2 b x)}\right ) \, dx}{4 b^2}+\frac {f^2 \int \text {Li}_3\left (i e^{i (2 a+2 b x)}\right ) \, dx}{4 b^2}\\ &=\frac {i (e+f x)^3 \tan ^{-1}\left (e^{2 i (a+b x)}\right )}{3 f}+\frac {(e+f x)^3 \tanh ^{-1}(\cot (a+b x))}{3 f}-\frac {i (e+f x)^2 \text {Li}_2\left (-i e^{2 i (a+b x)}\right )}{4 b}+\frac {i (e+f x)^2 \text {Li}_2\left (i e^{2 i (a+b x)}\right )}{4 b}+\frac {f (e+f x) \text {Li}_3\left (-i e^{2 i (a+b x)}\right )}{4 b^2}-\frac {f (e+f x) \text {Li}_3\left (i e^{2 i (a+b x)}\right )}{4 b^2}+\frac {\left (i f^2\right ) \text {Subst}\left (\int \frac {\text {Li}_3(-i x)}{x} \, dx,x,e^{i (2 a+2 b x)}\right )}{8 b^3}-\frac {\left (i f^2\right ) \text {Subst}\left (\int \frac {\text {Li}_3(i x)}{x} \, dx,x,e^{i (2 a+2 b x)}\right )}{8 b^3}\\ &=\frac {i (e+f x)^3 \tan ^{-1}\left (e^{2 i (a+b x)}\right )}{3 f}+\frac {(e+f x)^3 \tanh ^{-1}(\cot (a+b x))}{3 f}-\frac {i (e+f x)^2 \text {Li}_2\left (-i e^{2 i (a+b x)}\right )}{4 b}+\frac {i (e+f x)^2 \text {Li}_2\left (i e^{2 i (a+b x)}\right )}{4 b}+\frac {f (e+f x) \text {Li}_3\left (-i e^{2 i (a+b x)}\right )}{4 b^2}-\frac {f (e+f x) \text {Li}_3\left (i e^{2 i (a+b x)}\right )}{4 b^2}+\frac {i f^2 \text {Li}_4\left (-i e^{2 i (a+b x)}\right )}{8 b^3}-\frac {i f^2 \text {Li}_4\left (i e^{2 i (a+b x)}\right )}{8 b^3}\\ \end {align*}
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Mathematica [A]
time = 0.12, size = 409, normalized size = 1.75 \begin {gather*} \frac {1}{3} x \left (3 e^2+3 e f x+f^2 x^2\right ) \tanh ^{-1}(\cot (a+b x))+\frac {-12 b^3 e^2 x \log \left (1-i e^{2 i (a+b x)}\right )-12 b^3 e f x^2 \log \left (1-i e^{2 i (a+b x)}\right )-4 b^3 f^2 x^3 \log \left (1-i e^{2 i (a+b x)}\right )+12 b^3 e^2 x \log \left (1+i e^{2 i (a+b x)}\right )+12 b^3 e f x^2 \log \left (1+i e^{2 i (a+b x)}\right )+4 b^3 f^2 x^3 \log \left (1+i e^{2 i (a+b x)}\right )-6 i b^2 (e+f x)^2 \text {PolyLog}\left (2,-i e^{2 i (a+b x)}\right )+6 i b^2 (e+f x)^2 \text {PolyLog}\left (2,i e^{2 i (a+b x)}\right )+6 b e f \text {PolyLog}\left (3,-i e^{2 i (a+b x)}\right )+6 b f^2 x \text {PolyLog}\left (3,-i e^{2 i (a+b x)}\right )-6 b e f \text {PolyLog}\left (3,i e^{2 i (a+b x)}\right )-6 b f^2 x \text {PolyLog}\left (3,i e^{2 i (a+b x)}\right )+3 i f^2 \text {PolyLog}\left (4,-i e^{2 i (a+b x)}\right )-3 i f^2 \text {PolyLog}\left (4,i e^{2 i (a+b x)}\right )}{24 b^3} \end {gather*}
Antiderivative was successfully verified.
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Maple [C] Result contains higher order function than in optimal. Order 9 vs. order
4.
time = 11.23, size = 5543, normalized size = 23.69
method | result | size |
risch | \(\text {Expression too large to display}\) | \(5543\) |
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 [B] Both result and optimal contain complex but leaf count of result is larger than twice
the leaf count of optimal. 1590 vs. \(2 (186) = 372\).
time = 0.46, size = 1590, normalized size = 6.79 \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 (e + f x\right )^{2} \operatorname {atanh}{\left (\cot {\left (a + b x \right )} \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 \mathrm {atanh}\left (\mathrm {cot}\left (a+b\,x\right )\right )\,{\left (e+f\,x\right )}^2 \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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