Optimal. Leaf size=280 \[ -\frac {2 \tanh ^{-1}\left (\frac {\sqrt [3]{b}-\sqrt [3]{a} \tanh \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^{2/3}+b^{2/3}}}\right )}{3 a^{2/3} d \sqrt {a^{2/3}+b^{2/3}}}-\frac {2 (-1)^{2/3} \tan ^{-1}\left (\frac {\sqrt [6]{-1} \left (\sqrt [6]{-1} \sqrt [3]{b}+i \sqrt [3]{a} \tanh \left (\frac {1}{2} (c+d x)\right )\right )}{\sqrt {\sqrt [3]{-1} a^{2/3}-(-1)^{2/3} b^{2/3}}}\right )}{3 a^{2/3} d \sqrt {\sqrt [3]{-1} a^{2/3}-(-1)^{2/3} b^{2/3}}}-\frac {2 (-1)^{2/3} \tan ^{-1}\left (\frac {\sqrt [6]{-1} \left ((-1)^{5/6} \sqrt [3]{b}+i \sqrt [3]{a} \tanh \left (\frac {1}{2} (c+d x)\right )\right )}{\sqrt {\sqrt [3]{-1} a^{2/3}-b^{2/3}}}\right )}{3 a^{2/3} d \sqrt {\sqrt [3]{-1} a^{2/3}-b^{2/3}}} \]
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Rubi [A] time = 0.25, antiderivative size = 280, normalized size of antiderivative = 1.00, number of steps used = 11, number of rules used = 4, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.286, Rules used = {3213, 2660, 618, 204} \[ -\frac {2 \tanh ^{-1}\left (\frac {\sqrt [3]{b}-\sqrt [3]{a} \tanh \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^{2/3}+b^{2/3}}}\right )}{3 a^{2/3} d \sqrt {a^{2/3}+b^{2/3}}}-\frac {2 (-1)^{2/3} \tan ^{-1}\left (\frac {\sqrt [6]{-1} \left (\sqrt [6]{-1} \sqrt [3]{b}+i \sqrt [3]{a} \tanh \left (\frac {1}{2} (c+d x)\right )\right )}{\sqrt {\sqrt [3]{-1} a^{2/3}-(-1)^{2/3} b^{2/3}}}\right )}{3 a^{2/3} d \sqrt {\sqrt [3]{-1} a^{2/3}-(-1)^{2/3} b^{2/3}}}-\frac {2 (-1)^{2/3} \tan ^{-1}\left (\frac {\sqrt [6]{-1} \left ((-1)^{5/6} \sqrt [3]{b}+i \sqrt [3]{a} \tanh \left (\frac {1}{2} (c+d x)\right )\right )}{\sqrt {\sqrt [3]{-1} a^{2/3}-b^{2/3}}}\right )}{3 a^{2/3} d \sqrt {\sqrt [3]{-1} a^{2/3}-b^{2/3}}} \]
Antiderivative was successfully verified.
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Rule 204
Rule 618
Rule 2660
Rule 3213
Rubi steps
\begin {align*} \int \frac {1}{a+b \sinh ^3(c+d x)} \, dx &=\int \left (\frac {\sqrt [6]{-1}}{3 a^{2/3} \left (\sqrt [6]{-1} \sqrt [3]{a}-i \sqrt [3]{b} \sinh (c+d x)\right )}+\frac {\sqrt [6]{-1}}{3 a^{2/3} \left (\sqrt [6]{-1} \sqrt [3]{a}+\sqrt [6]{-1} \sqrt [3]{b} \sinh (c+d x)\right )}+\frac {\sqrt [6]{-1}}{3 a^{2/3} \left (\sqrt [6]{-1} \sqrt [3]{a}+(-1)^{5/6} \sqrt [3]{b} \sinh (c+d x)\right )}\right ) \, dx\\ &=\frac {\sqrt [6]{-1} \int \frac {1}{\sqrt [6]{-1} \sqrt [3]{a}-i \sqrt [3]{b} \sinh (c+d x)} \, dx}{3 a^{2/3}}+\frac {\sqrt [6]{-1} \int \frac {1}{\sqrt [6]{-1} \sqrt [3]{a}+\sqrt [6]{-1} \sqrt [3]{b} \sinh (c+d x)} \, dx}{3 a^{2/3}}+\frac {\sqrt [6]{-1} \int \frac {1}{\sqrt [6]{-1} \sqrt [3]{a}+(-1)^{5/6} \sqrt [3]{b} \sinh (c+d x)} \, dx}{3 a^{2/3}}\\ &=-\frac {\left (2 (-1)^{2/3}\right ) \operatorname {Subst}\left (\int \frac {1}{\sqrt [6]{-1} \sqrt [3]{a}-2 \sqrt [3]{b} x+\sqrt [6]{-1} \sqrt [3]{a} x^2} \, dx,x,\tan \left (\frac {1}{2} (i c+i d x)\right )\right )}{3 a^{2/3} d}-\frac {\left (2 (-1)^{2/3}\right ) \operatorname {Subst}\left (\int \frac {1}{\sqrt [6]{-1} \sqrt [3]{a}+2 \sqrt [3]{-1} \sqrt [3]{b} x+\sqrt [6]{-1} \sqrt [3]{a} x^2} \, dx,x,\tan \left (\frac {1}{2} (i c+i d x)\right )\right )}{3 a^{2/3} d}-\frac {\left (2 (-1)^{2/3}\right ) \operatorname {Subst}\left (\int \frac {1}{\sqrt [6]{-1} \sqrt [3]{a}-2 (-1)^{2/3} \sqrt [3]{b} x+\sqrt [6]{-1} \sqrt [3]{a} x^2} \, dx,x,\tan \left (\frac {1}{2} (i c+i d x)\right )\right )}{3 a^{2/3} d}\\ &=\frac {\left (4 (-1)^{2/3}\right ) \operatorname {Subst}\left (\int \frac {1}{-4 \left (\sqrt [3]{-1} a^{2/3}-b^{2/3}\right )-x^2} \, dx,x,-2 \sqrt [3]{b}+2 \sqrt [6]{-1} \sqrt [3]{a} \tan \left (\frac {1}{2} (i c+i d x)\right )\right )}{3 a^{2/3} d}+\frac {\left (4 (-1)^{2/3}\right ) \operatorname {Subst}\left (\int \frac {1}{-4 \sqrt [3]{-1} \left (a^{2/3}+b^{2/3}\right )-x^2} \, dx,x,-2 (-1)^{2/3} \sqrt [3]{b}+2 \sqrt [6]{-1} \sqrt [3]{a} \tan \left (\frac {1}{2} (i c+i d x)\right )\right )}{3 a^{2/3} d}+\frac {\left (4 (-1)^{2/3}\right ) \operatorname {Subst}\left (\int \frac {1}{-4 \left (\sqrt [3]{-1} a^{2/3}-(-1)^{2/3} b^{2/3}\right )-x^2} \, dx,x,2 \sqrt [3]{-1} \sqrt [3]{b}+2 \sqrt [6]{-1} \sqrt [3]{a} \tan \left (\frac {1}{2} (i c+i d x)\right )\right )}{3 a^{2/3} d}\\ &=\frac {2 (-1)^{2/3} \tan ^{-1}\left (\frac {\sqrt [3]{b}-(-1)^{2/3} \sqrt [3]{a} \tanh \left (\frac {1}{2} (c+d x)\right )}{\sqrt {\sqrt [3]{-1} a^{2/3}-b^{2/3}}}\right )}{3 a^{2/3} \sqrt {\sqrt [3]{-1} a^{2/3}-b^{2/3}} d}-\frac {2 (-1)^{2/3} \tan ^{-1}\left (\frac {\sqrt [3]{-1} \sqrt [3]{b}+(-1)^{2/3} \sqrt [3]{a} \tanh \left (\frac {1}{2} (c+d x)\right )}{\sqrt {\sqrt [3]{-1} a^{2/3}-(-1)^{2/3} b^{2/3}}}\right )}{3 a^{2/3} \sqrt {\sqrt [3]{-1} a^{2/3}-(-1)^{2/3} b^{2/3}} d}-\frac {2 \tanh ^{-1}\left (\frac {\sqrt [3]{b}-\sqrt [3]{a} \tanh \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^{2/3}+b^{2/3}}}\right )}{3 a^{2/3} \sqrt {a^{2/3}+b^{2/3}} d}\\ \end {align*}
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Mathematica [C] time = 0.17, size = 131, normalized size = 0.47 \[ \frac {2 \text {RootSum}\left [\text {$\#$1}^6 b-3 \text {$\#$1}^4 b+8 \text {$\#$1}^3 a+3 \text {$\#$1}^2 b-b\& ,\frac {2 \text {$\#$1} \log \left (-\text {$\#$1} \sinh \left (\frac {1}{2} (c+d x)\right )+\text {$\#$1} \cosh \left (\frac {1}{2} (c+d x)\right )-\sinh \left (\frac {1}{2} (c+d x)\right )-\cosh \left (\frac {1}{2} (c+d x)\right )\right )+\text {$\#$1} c+\text {$\#$1} d x}{\text {$\#$1}^4 b-2 \text {$\#$1}^2 b+4 \text {$\#$1} a+b}\& \right ]}{3 d} \]
Antiderivative was successfully verified.
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fricas [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
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 \[ \int \frac {1}{b \sinh \left (d x + c\right )^{3} + a}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [C] time = 0.09, size = 87, normalized size = 0.31 \[ \frac {\munderset {\textit {\_R} =\RootOf \left (a \,\textit {\_Z}^{6}-3 a \,\textit {\_Z}^{4}-8 b \,\textit {\_Z}^{3}+3 a \,\textit {\_Z}^{2}-a \right )}{\sum }\frac {\left (-\textit {\_R}^{4}+2 \textit {\_R}^{2}-1\right ) \ln \left (\tanh \left (\frac {d x}{2}+\frac {c}{2}\right )-\textit {\_R} \right )}{\textit {\_R}^{5} a -2 \textit {\_R}^{3} a -4 \textit {\_R}^{2} b +\textit {\_R} a}}{3 d} \]
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 \[ \int \frac {1}{b \sinh \left (d x + c\right )^{3} + a}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 9.49, size = 1261, normalized size = 4.50 \[ \sum _{k=1}^6\ln \left (\frac {\left (-4\,{\mathrm {e}}^{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )+d\,x}+\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )\,b\,d+{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )}^2\,a\,b\,d^2\,12-\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )\,a\,d\,{\mathrm {e}}^{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )+d\,x}\,20+{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )}^2\,a^2\,d^2\,{\mathrm {e}}^{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )+d\,x}\,24+{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )}^3\,a^3\,d^3\,{\mathrm {e}}^{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )+d\,x}\,216+{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )}^4\,a^4\,d^4\,{\mathrm {e}}^{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )+d\,x}\,108-{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )}^5\,a^5\,d^5\,{\mathrm {e}}^{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )+d\,x}\,324+{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )}^3\,a^2\,b\,d^3\,54+{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )}^4\,a^3\,b\,d^4\,108+{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )}^5\,a^4\,b\,d^5\,81-{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )}^4\,a^2\,b^2\,d^4\,{\mathrm {e}}^{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )+d\,x}\,27-{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )}^5\,a^3\,b^2\,d^5\,{\mathrm {e}}^{\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right )+d\,x}\,405\right )\,24576}{b^5}\right )\,\mathrm {root}\left (729\,a^4\,b^2\,d^6\,z^6+729\,a^6\,d^6\,z^6-243\,a^4\,d^4\,z^4+27\,a^2\,d^2\,z^2-1,z,k\right ) \]
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 \[ \int \frac {1}{a + b \sinh ^{3}{\left (c + d x \right )}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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