Optimal. Leaf size=217 \[ \frac {b^2 x^4}{2 d}+\frac {a^2 x^6}{6}+\frac {2 a b x^4 \text {ArcTan}\left (e^{c+d x^2}\right )}{d}-\frac {b^2 x^2 \log \left (1+e^{2 \left (c+d x^2\right )}\right )}{d^2}-\frac {2 i a b x^2 \text {PolyLog}\left (2,-i e^{c+d x^2}\right )}{d^2}+\frac {2 i a b x^2 \text {PolyLog}\left (2,i e^{c+d x^2}\right )}{d^2}-\frac {b^2 \text {PolyLog}\left (2,-e^{2 \left (c+d x^2\right )}\right )}{2 d^3}+\frac {2 i a b \text {PolyLog}\left (3,-i e^{c+d x^2}\right )}{d^3}-\frac {2 i a b \text {PolyLog}\left (3,i e^{c+d x^2}\right )}{d^3}+\frac {b^2 x^4 \tanh \left (c+d x^2\right )}{2 d} \]
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Rubi [A]
time = 0.26, antiderivative size = 217, normalized size of antiderivative = 1.00, number of steps
used = 15, number of rules used = 11, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.611, Rules used = {5544, 4275,
4265, 2611, 2320, 6724, 4269, 3799, 2221, 2317, 2438} \begin {gather*} \frac {a^2 x^6}{6}+\frac {2 a b x^4 \text {ArcTan}\left (e^{c+d x^2}\right )}{d}+\frac {2 i a b \text {Li}_3\left (-i e^{d x^2+c}\right )}{d^3}-\frac {2 i a b \text {Li}_3\left (i e^{d x^2+c}\right )}{d^3}-\frac {2 i a b x^2 \text {Li}_2\left (-i e^{d x^2+c}\right )}{d^2}+\frac {2 i a b x^2 \text {Li}_2\left (i e^{d x^2+c}\right )}{d^2}-\frac {b^2 \text {Li}_2\left (-e^{2 \left (d x^2+c\right )}\right )}{2 d^3}-\frac {b^2 x^2 \log \left (e^{2 \left (c+d x^2\right )}+1\right )}{d^2}+\frac {b^2 x^4 \tanh \left (c+d x^2\right )}{2 d}+\frac {b^2 x^4}{2 d} \end {gather*}
Antiderivative was successfully verified.
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Rule 2221
Rule 2317
Rule 2320
Rule 2438
Rule 2611
Rule 3799
Rule 4265
Rule 4269
Rule 4275
Rule 5544
Rule 6724
Rubi steps
\begin {align*} \int x^5 \left (a+b \text {sech}\left (c+d x^2\right )\right )^2 \, dx &=\frac {1}{2} \text {Subst}\left (\int x^2 (a+b \text {sech}(c+d x))^2 \, dx,x,x^2\right )\\ &=\frac {1}{2} \text {Subst}\left (\int \left (a^2 x^2+2 a b x^2 \text {sech}(c+d x)+b^2 x^2 \text {sech}^2(c+d x)\right ) \, dx,x,x^2\right )\\ &=\frac {a^2 x^6}{6}+(a b) \text {Subst}\left (\int x^2 \text {sech}(c+d x) \, dx,x,x^2\right )+\frac {1}{2} b^2 \text {Subst}\left (\int x^2 \text {sech}^2(c+d x) \, dx,x,x^2\right )\\ &=\frac {a^2 x^6}{6}+\frac {2 a b x^4 \tan ^{-1}\left (e^{c+d x^2}\right )}{d}+\frac {b^2 x^4 \tanh \left (c+d x^2\right )}{2 d}-\frac {(2 i a b) \text {Subst}\left (\int x \log \left (1-i e^{c+d x}\right ) \, dx,x,x^2\right )}{d}+\frac {(2 i a b) \text {Subst}\left (\int x \log \left (1+i e^{c+d x}\right ) \, dx,x,x^2\right )}{d}-\frac {b^2 \text {Subst}\left (\int x \tanh (c+d x) \, dx,x,x^2\right )}{d}\\ &=\frac {b^2 x^4}{2 d}+\frac {a^2 x^6}{6}+\frac {2 a b x^4 \tan ^{-1}\left (e^{c+d x^2}\right )}{d}-\frac {2 i a b x^2 \text {Li}_2\left (-i e^{c+d x^2}\right )}{d^2}+\frac {2 i a b x^2 \text {Li}_2\left (i e^{c+d x^2}\right )}{d^2}+\frac {b^2 x^4 \tanh \left (c+d x^2\right )}{2 d}+\frac {(2 i a b) \text {Subst}\left (\int \text {Li}_2\left (-i e^{c+d x}\right ) \, dx,x,x^2\right )}{d^2}-\frac {(2 i a b) \text {Subst}\left (\int \text {Li}_2\left (i e^{c+d x}\right ) \, dx,x,x^2\right )}{d^2}-\frac {\left (2 b^2\right ) \text {Subst}\left (\int \frac {e^{2 (c+d x)} x}{1+e^{2 (c+d x)}} \, dx,x,x^2\right )}{d}\\ &=\frac {b^2 x^4}{2 d}+\frac {a^2 x^6}{6}+\frac {2 a b x^4 \tan ^{-1}\left (e^{c+d x^2}\right )}{d}-\frac {b^2 x^2 \log \left (1+e^{2 \left (c+d x^2\right )}\right )}{d^2}-\frac {2 i a b x^2 \text {Li}_2\left (-i e^{c+d x^2}\right )}{d^2}+\frac {2 i a b x^2 \text {Li}_2\left (i e^{c+d x^2}\right )}{d^2}+\frac {b^2 x^4 \tanh \left (c+d x^2\right )}{2 d}+\frac {(2 i a b) \text {Subst}\left (\int \frac {\text {Li}_2(-i x)}{x} \, dx,x,e^{c+d x^2}\right )}{d^3}-\frac {(2 i a b) \text {Subst}\left (\int \frac {\text {Li}_2(i x)}{x} \, dx,x,e^{c+d x^2}\right )}{d^3}+\frac {b^2 \text {Subst}\left (\int \log \left (1+e^{2 (c+d x)}\right ) \, dx,x,x^2\right )}{d^2}\\ &=\frac {b^2 x^4}{2 d}+\frac {a^2 x^6}{6}+\frac {2 a b x^4 \tan ^{-1}\left (e^{c+d x^2}\right )}{d}-\frac {b^2 x^2 \log \left (1+e^{2 \left (c+d x^2\right )}\right )}{d^2}-\frac {2 i a b x^2 \text {Li}_2\left (-i e^{c+d x^2}\right )}{d^2}+\frac {2 i a b x^2 \text {Li}_2\left (i e^{c+d x^2}\right )}{d^2}+\frac {2 i a b \text {Li}_3\left (-i e^{c+d x^2}\right )}{d^3}-\frac {2 i a b \text {Li}_3\left (i e^{c+d x^2}\right )}{d^3}+\frac {b^2 x^4 \tanh \left (c+d x^2\right )}{2 d}+\frac {b^2 \text {Subst}\left (\int \frac {\log (1+x)}{x} \, dx,x,e^{2 \left (c+d x^2\right )}\right )}{2 d^3}\\ &=\frac {b^2 x^4}{2 d}+\frac {a^2 x^6}{6}+\frac {2 a b x^4 \tan ^{-1}\left (e^{c+d x^2}\right )}{d}-\frac {b^2 x^2 \log \left (1+e^{2 \left (c+d x^2\right )}\right )}{d^2}-\frac {2 i a b x^2 \text {Li}_2\left (-i e^{c+d x^2}\right )}{d^2}+\frac {2 i a b x^2 \text {Li}_2\left (i e^{c+d x^2}\right )}{d^2}-\frac {b^2 \text {Li}_2\left (-e^{2 \left (c+d x^2\right )}\right )}{2 d^3}+\frac {2 i a b \text {Li}_3\left (-i e^{c+d x^2}\right )}{d^3}-\frac {2 i a b \text {Li}_3\left (i e^{c+d x^2}\right )}{d^3}+\frac {b^2 x^4 \tanh \left (c+d x^2\right )}{2 d}\\ \end {align*}
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Mathematica [A]
time = 3.25, size = 294, normalized size = 1.35 \begin {gather*} \frac {\cosh \left (c+d x^2\right ) \left (a+b \text {sech}\left (c+d x^2\right )\right )^2 \left (a^2 x^6 \cosh \left (c+d x^2\right )+\frac {3 b \cosh \left (c+d x^2\right ) \left (\frac {2 b d^2 e^{2 c} x^4}{1+e^{2 c}}+2 i a d^2 x^4 \log \left (1-i e^{c+d x^2}\right )-2 i a d^2 x^4 \log \left (1+i e^{c+d x^2}\right )-2 b d x^2 \log \left (1+e^{2 \left (c+d x^2\right )}\right )-4 i a d x^2 \text {PolyLog}\left (2,-i e^{c+d x^2}\right )+4 i a d x^2 \text {PolyLog}\left (2,i e^{c+d x^2}\right )-b \text {PolyLog}\left (2,-e^{2 \left (c+d x^2\right )}\right )+4 i a \text {PolyLog}\left (3,-i e^{c+d x^2}\right )-4 i a \text {PolyLog}\left (3,i e^{c+d x^2}\right )\right )}{d^3}+\frac {3 b^2 x^4 \text {sech}(c) \sinh \left (d x^2\right )}{d}\right )}{6 \left (b+a \cosh \left (c+d x^2\right )\right )^2} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 1.18, size = 0, normalized size = 0.00 \[\int x^{5} \left (a +b \,\mathrm {sech}\left (d \,x^{2}+c \right )\right )^{2}\, dx\]
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. 1198 vs. \(2 (185) = 370\).
time = 0.40, size = 1198, normalized size = 5.52 \begin {gather*} \frac {a^{2} d^{3} x^{6} - 6 \, b^{2} c^{2} + {\left (a^{2} d^{3} x^{6} + 6 \, b^{2} d^{2} x^{4} - 6 \, b^{2} c^{2}\right )} \cosh \left (d x^{2} + c\right )^{2} + 2 \, {\left (a^{2} d^{3} x^{6} + 6 \, b^{2} d^{2} x^{4} - 6 \, b^{2} c^{2}\right )} \cosh \left (d x^{2} + c\right ) \sinh \left (d x^{2} + c\right ) + {\left (a^{2} d^{3} x^{6} + 6 \, b^{2} d^{2} x^{4} - 6 \, b^{2} c^{2}\right )} \sinh \left (d x^{2} + c\right )^{2} - 6 \, {\left (-2 i \, a b d x^{2} + {\left (-2 i \, a b d x^{2} + b^{2}\right )} \cosh \left (d x^{2} + c\right )^{2} + 2 \, {\left (-2 i \, a b d x^{2} + b^{2}\right )} \cosh \left (d x^{2} + c\right ) \sinh \left (d x^{2} + c\right ) + {\left (-2 i \, a b d x^{2} + b^{2}\right )} \sinh \left (d x^{2} + c\right )^{2} + b^{2}\right )} {\rm Li}_2\left (i \, \cosh \left (d x^{2} + c\right ) + i \, \sinh \left (d x^{2} + c\right )\right ) - 6 \, {\left (2 i \, a b d x^{2} + {\left (2 i \, a b d x^{2} + b^{2}\right )} \cosh \left (d x^{2} + c\right )^{2} + 2 \, {\left (2 i \, a b d x^{2} + b^{2}\right )} \cosh \left (d x^{2} + c\right ) \sinh \left (d x^{2} + c\right ) + {\left (2 i \, a b d x^{2} + b^{2}\right )} \sinh \left (d x^{2} + c\right )^{2} + b^{2}\right )} {\rm Li}_2\left (-i \, \cosh \left (d x^{2} + c\right ) - i \, \sinh \left (d x^{2} + c\right )\right ) - 6 \, {\left (-i \, a b c^{2} - b^{2} c + {\left (-i \, a b c^{2} - b^{2} c\right )} \cosh \left (d x^{2} + c\right )^{2} + 2 \, {\left (-i \, a b c^{2} - b^{2} c\right )} \cosh \left (d x^{2} + c\right ) \sinh \left (d x^{2} + c\right ) + {\left (-i \, a b c^{2} - b^{2} c\right )} \sinh \left (d x^{2} + c\right )^{2}\right )} \log \left (\cosh \left (d x^{2} + c\right ) + \sinh \left (d x^{2} + c\right ) + i\right ) - 6 \, {\left (i \, a b c^{2} - b^{2} c + {\left (i \, a b c^{2} - b^{2} c\right )} \cosh \left (d x^{2} + c\right )^{2} + 2 \, {\left (i \, a b c^{2} - b^{2} c\right )} \cosh \left (d x^{2} + c\right ) \sinh \left (d x^{2} + c\right ) + {\left (i \, a b c^{2} - b^{2} c\right )} \sinh \left (d x^{2} + c\right )^{2}\right )} \log \left (\cosh \left (d x^{2} + c\right ) + \sinh \left (d x^{2} + c\right ) - i\right ) - 6 \, {\left (i \, a b d^{2} x^{4} + b^{2} d x^{2} - i \, a b c^{2} + b^{2} c + {\left (i \, a b d^{2} x^{4} + b^{2} d x^{2} - i \, a b c^{2} + b^{2} c\right )} \cosh \left (d x^{2} + c\right )^{2} + 2 \, {\left (i \, a b d^{2} x^{4} + b^{2} d x^{2} - i \, a b c^{2} + b^{2} c\right )} \cosh \left (d x^{2} + c\right ) \sinh \left (d x^{2} + c\right ) + {\left (i \, a b d^{2} x^{4} + b^{2} d x^{2} - i \, a b c^{2} + b^{2} c\right )} \sinh \left (d x^{2} + c\right )^{2}\right )} \log \left (i \, \cosh \left (d x^{2} + c\right ) + i \, \sinh \left (d x^{2} + c\right ) + 1\right ) - 6 \, {\left (-i \, a b d^{2} x^{4} + b^{2} d x^{2} + i \, a b c^{2} + b^{2} c + {\left (-i \, a b d^{2} x^{4} + b^{2} d x^{2} + i \, a b c^{2} + b^{2} c\right )} \cosh \left (d x^{2} + c\right )^{2} + 2 \, {\left (-i \, a b d^{2} x^{4} + b^{2} d x^{2} + i \, a b c^{2} + b^{2} c\right )} \cosh \left (d x^{2} + c\right ) \sinh \left (d x^{2} + c\right ) + {\left (-i \, a b d^{2} x^{4} + b^{2} d x^{2} + i \, a b c^{2} + b^{2} c\right )} \sinh \left (d x^{2} + c\right )^{2}\right )} \log \left (-i \, \cosh \left (d x^{2} + c\right ) - i \, \sinh \left (d x^{2} + c\right ) + 1\right ) - 12 \, {\left (i \, a b \cosh \left (d x^{2} + c\right )^{2} + 2 i \, a b \cosh \left (d x^{2} + c\right ) \sinh \left (d x^{2} + c\right ) + i \, a b \sinh \left (d x^{2} + c\right )^{2} + i \, a b\right )} {\rm polylog}\left (3, i \, \cosh \left (d x^{2} + c\right ) + i \, \sinh \left (d x^{2} + c\right )\right ) - 12 \, {\left (-i \, a b \cosh \left (d x^{2} + c\right )^{2} - 2 i \, a b \cosh \left (d x^{2} + c\right ) \sinh \left (d x^{2} + c\right ) - i \, a b \sinh \left (d x^{2} + c\right )^{2} - i \, a b\right )} {\rm polylog}\left (3, -i \, \cosh \left (d x^{2} + c\right ) - i \, \sinh \left (d x^{2} + c\right )\right )}{6 \, {\left (d^{3} \cosh \left (d x^{2} + c\right )^{2} + 2 \, d^{3} \cosh \left (d x^{2} + c\right ) \sinh \left (d x^{2} + c\right ) + d^{3} \sinh \left (d x^{2} + c\right )^{2} + d^{3}\right )}} \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^{5} \left (a + b \operatorname {sech}{\left (c + d x^{2} \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 = -0.00 \begin {gather*} \int x^5\,{\left (a+\frac {b}{\mathrm {cosh}\left (d\,x^2+c\right )}\right )}^2 \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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