Optimal. Leaf size=351 \[ \frac {1}{3} x^3 \cot ^{-1}(c+d \coth (a+b x))-\frac {1}{6} i x^3 \log \left (1-\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )+\frac {1}{6} i x^3 \log \left (1-\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )-\frac {i x^2 \text {PolyLog}\left (2,\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )}{4 b}+\frac {i x^2 \text {PolyLog}\left (2,\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )}{4 b}+\frac {i x \text {PolyLog}\left (3,\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )}{4 b^2}-\frac {i x \text {PolyLog}\left (3,\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )}{4 b^2}-\frac {i \text {PolyLog}\left (4,\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )}{8 b^3}+\frac {i \text {PolyLog}\left (4,\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )}{8 b^3} \]
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Rubi [A]
time = 0.34, antiderivative size = 351, normalized size of antiderivative = 1.00, number of steps
used = 11, number of rules used = 6, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.400, Rules used = {5310, 2221,
2611, 6744, 2320, 6724} \begin {gather*} -\frac {i \text {Li}_4\left (\frac {(-c-d+i) e^{2 a+2 b x}}{-c+d+i}\right )}{8 b^3}+\frac {i \text {Li}_4\left (\frac {(c+d+i) e^{2 a+2 b x}}{c-d+i}\right )}{8 b^3}+\frac {i x \text {Li}_3\left (\frac {(-c-d+i) e^{2 a+2 b x}}{-c+d+i}\right )}{4 b^2}-\frac {i x \text {Li}_3\left (\frac {(c+d+i) e^{2 a+2 b x}}{c-d+i}\right )}{4 b^2}-\frac {i x^2 \text {Li}_2\left (\frac {(-c-d+i) e^{2 a+2 b x}}{-c+d+i}\right )}{4 b}+\frac {i x^2 \text {Li}_2\left (\frac {(c+d+i) e^{2 a+2 b x}}{c-d+i}\right )}{4 b}-\frac {1}{6} i x^3 \log \left (1-\frac {(-c-d+i) e^{2 a+2 b x}}{-c+d+i}\right )+\frac {1}{6} i x^3 \log \left (1-\frac {(c+d+i) e^{2 a+2 b x}}{c-d+i}\right )+\frac {1}{3} x^3 \cot ^{-1}(d \coth (a+b x)+c) \end {gather*}
Antiderivative was successfully verified.
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Rule 2221
Rule 2320
Rule 2611
Rule 5310
Rule 6724
Rule 6744
Rubi steps
\begin {align*} \int x^2 \cot ^{-1}(c+d \coth (a+b x)) \, dx &=\frac {1}{3} x^3 \cot ^{-1}(c+d \coth (a+b x))+\frac {1}{3} (b (1-i (c+d))) \int \frac {e^{2 a+2 b x} x^3}{i+c-d+(-i-c-d) e^{2 a+2 b x}} \, dx-\frac {1}{3} (b (1+i (c+d))) \int \frac {e^{2 a+2 b x} x^3}{i-c+d+(-i+c+d) e^{2 a+2 b x}} \, dx\\ &=\frac {1}{3} x^3 \cot ^{-1}(c+d \coth (a+b x))-\frac {1}{6} i x^3 \log \left (1-\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )+\frac {1}{6} i x^3 \log \left (1-\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )-\frac {1}{2} i \int x^2 \log \left (1+\frac {(-i-c-d) e^{2 a+2 b x}}{i+c-d}\right ) \, dx+\frac {1}{2} i \int x^2 \log \left (1+\frac {(-i+c+d) e^{2 a+2 b x}}{i-c+d}\right ) \, dx\\ &=\frac {1}{3} x^3 \cot ^{-1}(c+d \coth (a+b x))-\frac {1}{6} i x^3 \log \left (1-\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )+\frac {1}{6} i x^3 \log \left (1-\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )-\frac {i x^2 \text {Li}_2\left (\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )}{4 b}+\frac {i x^2 \text {Li}_2\left (\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )}{4 b}-\frac {i \int x \text {Li}_2\left (-\frac {(-i-c-d) e^{2 a+2 b x}}{i+c-d}\right ) \, dx}{2 b}+\frac {i \int x \text {Li}_2\left (-\frac {(-i+c+d) e^{2 a+2 b x}}{i-c+d}\right ) \, dx}{2 b}\\ &=\frac {1}{3} x^3 \cot ^{-1}(c+d \coth (a+b x))-\frac {1}{6} i x^3 \log \left (1-\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )+\frac {1}{6} i x^3 \log \left (1-\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )-\frac {i x^2 \text {Li}_2\left (\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )}{4 b}+\frac {i x^2 \text {Li}_2\left (\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )}{4 b}+\frac {i x \text {Li}_3\left (\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )}{4 b^2}-\frac {i x \text {Li}_3\left (\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )}{4 b^2}+\frac {i \int \text {Li}_3\left (-\frac {(-i-c-d) e^{2 a+2 b x}}{i+c-d}\right ) \, dx}{4 b^2}-\frac {i \int \text {Li}_3\left (-\frac {(-i+c+d) e^{2 a+2 b x}}{i-c+d}\right ) \, dx}{4 b^2}\\ &=\frac {1}{3} x^3 \cot ^{-1}(c+d \coth (a+b x))-\frac {1}{6} i x^3 \log \left (1-\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )+\frac {1}{6} i x^3 \log \left (1-\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )-\frac {i x^2 \text {Li}_2\left (\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )}{4 b}+\frac {i x^2 \text {Li}_2\left (\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )}{4 b}+\frac {i x \text {Li}_3\left (\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )}{4 b^2}-\frac {i x \text {Li}_3\left (\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )}{4 b^2}-\frac {i \text {Subst}\left (\int \frac {\text {Li}_3\left (\frac {(-i+c+d) x}{-i+c-d}\right )}{x} \, dx,x,e^{2 a+2 b x}\right )}{8 b^3}+\frac {i \text {Subst}\left (\int \frac {\text {Li}_3\left (\frac {(i+c+d) x}{i+c-d}\right )}{x} \, dx,x,e^{2 a+2 b x}\right )}{8 b^3}\\ &=\frac {1}{3} x^3 \cot ^{-1}(c+d \coth (a+b x))-\frac {1}{6} i x^3 \log \left (1-\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )+\frac {1}{6} i x^3 \log \left (1-\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )-\frac {i x^2 \text {Li}_2\left (\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )}{4 b}+\frac {i x^2 \text {Li}_2\left (\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )}{4 b}+\frac {i x \text {Li}_3\left (\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )}{4 b^2}-\frac {i x \text {Li}_3\left (\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )}{4 b^2}-\frac {i \text {Li}_4\left (\frac {(i-c-d) e^{2 a+2 b x}}{i-c+d}\right )}{8 b^3}+\frac {i \text {Li}_4\left (\frac {(i+c+d) e^{2 a+2 b x}}{i+c-d}\right )}{8 b^3}\\ \end {align*}
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Mathematica [A]
time = 3.40, size = 299, normalized size = 0.85 \begin {gather*} \frac {1}{3} x^3 \cot ^{-1}(c+d \coth (a+b x))-\frac {i \left (4 b^3 x^3 \log \left (1+\frac {(-i+c+d) e^{2 (a+b x)}}{i-c+d}\right )-4 b^3 x^3 \log \left (1+\frac {(i+c+d) e^{2 (a+b x)}}{-i-c+d}\right )+6 b^2 x^2 \text {PolyLog}\left (2,\frac {(-i+c+d) e^{2 (a+b x)}}{-i+c-d}\right )-6 b^2 x^2 \text {PolyLog}\left (2,\frac {(i+c+d) e^{2 (a+b x)}}{i+c-d}\right )-6 b x \text {PolyLog}\left (3,\frac {(-i+c+d) e^{2 (a+b x)}}{-i+c-d}\right )+6 b x \text {PolyLog}\left (3,\frac {(i+c+d) e^{2 (a+b x)}}{i+c-d}\right )+3 \text {PolyLog}\left (4,\frac {(-i+c+d) e^{2 (a+b x)}}{-i+c-d}\right )-3 \text {PolyLog}\left (4,\frac {(i+c+d) e^{2 (a+b x)}}{i+c-d}\right )\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 = 26.91, size = 6888, normalized size = 19.62
method | result | size |
risch | \(\text {Expression too large to display}\) | \(6888\) |
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. 1269 vs. \(2 (259) = 518\).
time = 2.26, size = 1269, normalized size = 3.62 \begin {gather*} \frac {2 \, b^{3} x^{3} \arctan \left (\frac {\sinh \left (b x + a\right )}{d \cosh \left (b x + a\right ) + c \sinh \left (b x + a\right )}\right ) - 3 i \, b^{2} x^{2} {\rm Li}_2\left (\sqrt {\frac {c^{2} - d^{2} + 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )}\right ) - 3 i \, b^{2} x^{2} {\rm Li}_2\left (-\sqrt {\frac {c^{2} - d^{2} + 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )}\right ) + 3 i \, b^{2} x^{2} {\rm Li}_2\left (\sqrt {\frac {c^{2} - d^{2} - 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )}\right ) + 3 i \, b^{2} x^{2} {\rm Li}_2\left (-\sqrt {\frac {c^{2} - d^{2} - 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )}\right ) + i \, a^{3} \log \left (2 \, {\left (c^{2} + 2 \, c d + d^{2} + 1\right )} \cosh \left (b x + a\right ) + 2 \, {\left (c^{2} + 2 \, c d + d^{2} + 1\right )} \sinh \left (b x + a\right ) + 2 \, {\left (c^{2} - d^{2} - 2 i \, d + 1\right )} \sqrt {\frac {c^{2} - d^{2} + 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}}\right ) + i \, a^{3} \log \left (2 \, {\left (c^{2} + 2 \, c d + d^{2} + 1\right )} \cosh \left (b x + a\right ) + 2 \, {\left (c^{2} + 2 \, c d + d^{2} + 1\right )} \sinh \left (b x + a\right ) - 2 \, {\left (c^{2} - d^{2} - 2 i \, d + 1\right )} \sqrt {\frac {c^{2} - d^{2} + 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}}\right ) - i \, a^{3} \log \left (2 \, {\left (c^{2} + 2 \, c d + d^{2} + 1\right )} \cosh \left (b x + a\right ) + 2 \, {\left (c^{2} + 2 \, c d + d^{2} + 1\right )} \sinh \left (b x + a\right ) + 2 \, {\left (c^{2} - d^{2} + 2 i \, d + 1\right )} \sqrt {\frac {c^{2} - d^{2} - 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}}\right ) - i \, a^{3} \log \left (2 \, {\left (c^{2} + 2 \, c d + d^{2} + 1\right )} \cosh \left (b x + a\right ) + 2 \, {\left (c^{2} + 2 \, c d + d^{2} + 1\right )} \sinh \left (b x + a\right ) - 2 \, {\left (c^{2} - d^{2} + 2 i \, d + 1\right )} \sqrt {\frac {c^{2} - d^{2} - 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}}\right ) + 6 i \, b x {\rm polylog}\left (3, \sqrt {\frac {c^{2} - d^{2} + 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )}\right ) + 6 i \, b x {\rm polylog}\left (3, -\sqrt {\frac {c^{2} - d^{2} + 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )}\right ) - 6 i \, b x {\rm polylog}\left (3, \sqrt {\frac {c^{2} - d^{2} - 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )}\right ) - 6 i \, b x {\rm polylog}\left (3, -\sqrt {\frac {c^{2} - d^{2} - 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )}\right ) + {\left (-i \, b^{3} x^{3} - i \, a^{3}\right )} \log \left (\sqrt {\frac {c^{2} - d^{2} + 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )} + 1\right ) + {\left (-i \, b^{3} x^{3} - i \, a^{3}\right )} \log \left (-\sqrt {\frac {c^{2} - d^{2} + 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )} + 1\right ) + {\left (i \, b^{3} x^{3} + i \, a^{3}\right )} \log \left (\sqrt {\frac {c^{2} - d^{2} - 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )} + 1\right ) + {\left (i \, b^{3} x^{3} + i \, a^{3}\right )} \log \left (-\sqrt {\frac {c^{2} - d^{2} - 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )} + 1\right ) - 6 i \, {\rm polylog}\left (4, \sqrt {\frac {c^{2} - d^{2} + 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )}\right ) - 6 i \, {\rm polylog}\left (4, -\sqrt {\frac {c^{2} - d^{2} + 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )}\right ) + 6 i \, {\rm polylog}\left (4, \sqrt {\frac {c^{2} - d^{2} - 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )}\right ) + 6 i \, {\rm polylog}\left (4, -\sqrt {\frac {c^{2} - d^{2} - 2 i \, d + 1}{c^{2} - 2 \, c d + d^{2} + 1}} {\left (\cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )}\right )}{6 \, b^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] Timed out
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \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^2\,\mathrm {acot}\left (c+d\,\mathrm {coth}\left (a+b\,x\right )\right ) \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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