Optimal. Leaf size=93 \[ -\frac {\cosh \left (a+\frac {b}{x^2}\right )}{2 b x^3}+\frac {3 e^{-a} \sqrt {\pi } \text {Erf}\left (\frac {\sqrt {b}}{x}\right )}{16 b^{5/2}}-\frac {3 e^a \sqrt {\pi } \text {Erfi}\left (\frac {\sqrt {b}}{x}\right )}{16 b^{5/2}}+\frac {3 \sinh \left (a+\frac {b}{x^2}\right )}{4 b^2 x} \]
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Rubi [A]
time = 0.05, antiderivative size = 93, normalized size of antiderivative = 1.00, number of steps
used = 6, number of rules used = 6, integrand size = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {5454, 5432,
5433, 5406, 2235, 2236} \begin {gather*} \frac {3 \sqrt {\pi } e^{-a} \text {Erf}\left (\frac {\sqrt {b}}{x}\right )}{16 b^{5/2}}-\frac {3 \sqrt {\pi } e^a \text {Erfi}\left (\frac {\sqrt {b}}{x}\right )}{16 b^{5/2}}+\frac {3 \sinh \left (a+\frac {b}{x^2}\right )}{4 b^2 x}-\frac {\cosh \left (a+\frac {b}{x^2}\right )}{2 b x^3} \end {gather*}
Antiderivative was successfully verified.
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Rule 2235
Rule 2236
Rule 5406
Rule 5432
Rule 5433
Rule 5454
Rubi steps
\begin {align*} \int \frac {\sinh \left (a+\frac {b}{x^2}\right )}{x^6} \, dx &=-\text {Subst}\left (\int x^4 \sinh \left (a+b x^2\right ) \, dx,x,\frac {1}{x}\right )\\ &=-\frac {\cosh \left (a+\frac {b}{x^2}\right )}{2 b x^3}+\frac {3 \text {Subst}\left (\int x^2 \cosh \left (a+b x^2\right ) \, dx,x,\frac {1}{x}\right )}{2 b}\\ &=-\frac {\cosh \left (a+\frac {b}{x^2}\right )}{2 b x^3}+\frac {3 \sinh \left (a+\frac {b}{x^2}\right )}{4 b^2 x}-\frac {3 \text {Subst}\left (\int \sinh \left (a+b x^2\right ) \, dx,x,\frac {1}{x}\right )}{4 b^2}\\ &=-\frac {\cosh \left (a+\frac {b}{x^2}\right )}{2 b x^3}+\frac {3 \sinh \left (a+\frac {b}{x^2}\right )}{4 b^2 x}+\frac {3 \text {Subst}\left (\int e^{-a-b x^2} \, dx,x,\frac {1}{x}\right )}{8 b^2}-\frac {3 \text {Subst}\left (\int e^{a+b x^2} \, dx,x,\frac {1}{x}\right )}{8 b^2}\\ &=-\frac {\cosh \left (a+\frac {b}{x^2}\right )}{2 b x^3}+\frac {3 e^{-a} \sqrt {\pi } \text {erf}\left (\frac {\sqrt {b}}{x}\right )}{16 b^{5/2}}-\frac {3 e^a \sqrt {\pi } \text {erfi}\left (\frac {\sqrt {b}}{x}\right )}{16 b^{5/2}}+\frac {3 \sinh \left (a+\frac {b}{x^2}\right )}{4 b^2 x}\\ \end {align*}
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Mathematica [A]
time = 0.09, size = 97, normalized size = 1.04 \begin {gather*} \frac {3 \sqrt {\pi } x^3 \text {Erf}\left (\frac {\sqrt {b}}{x}\right ) (\cosh (a)-\sinh (a))-3 \sqrt {\pi } x^3 \text {Erfi}\left (\frac {\sqrt {b}}{x}\right ) (\cosh (a)+\sinh (a))+4 \sqrt {b} \left (-2 b \cosh \left (a+\frac {b}{x^2}\right )+3 x^2 \sinh \left (a+\frac {b}{x^2}\right )\right )}{16 b^{5/2} x^3} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.37, size = 117, normalized size = 1.26
method | result | size |
risch | \(-\frac {{\mathrm e}^{-a} {\mathrm e}^{-\frac {b}{x^{2}}}}{4 b \,x^{3}}-\frac {3 \,{\mathrm e}^{-a} {\mathrm e}^{-\frac {b}{x^{2}}}}{8 b^{2} x}+\frac {3 \,{\mathrm e}^{-a} \sqrt {\pi }\, \erf \left (\frac {\sqrt {b}}{x}\right )}{16 b^{\frac {5}{2}}}-\frac {{\mathrm e}^{a} {\mathrm e}^{\frac {b}{x^{2}}}}{4 x^{3} b}+\frac {3 \,{\mathrm e}^{a} {\mathrm e}^{\frac {b}{x^{2}}}}{8 b^{2} x}-\frac {3 \,{\mathrm e}^{a} \sqrt {\pi }\, \erf \left (\frac {\sqrt {-b}}{x}\right )}{16 b^{2} \sqrt {-b}}\) | \(117\) |
meijerg | \(-\frac {\sqrt {\pi }\, \cosh \left (a \right ) \sqrt {2}\, \sqrt {i b}\, \left (-\frac {\sqrt {2}\, \left (i b \right )^{\frac {7}{2}} \left (-\frac {14 b}{x^{2}}+21\right ) {\mathrm e}^{\frac {b}{x^{2}}}}{112 \sqrt {\pi }\, x \,b^{3}}+\frac {\sqrt {2}\, \left (i b \right )^{\frac {7}{2}} \left (\frac {14 b}{x^{2}}+21\right ) {\mathrm e}^{-\frac {b}{x^{2}}}}{112 \sqrt {\pi }\, x \,b^{3}}-\frac {3 \left (i b \right )^{\frac {7}{2}} \sqrt {2}\, \erf \left (\frac {\sqrt {b}}{x}\right )}{32 b^{\frac {7}{2}}}+\frac {3 \left (i b \right )^{\frac {7}{2}} \sqrt {2}\, \erfi \left (\frac {\sqrt {b}}{x}\right )}{32 b^{\frac {7}{2}}}\right )}{b^{3}}-\frac {i \sqrt {\pi }\, \sinh \left (a \right ) \sqrt {2}\, \sqrt {i b}\, \left (-\frac {\sqrt {2}\, \left (i b \right )^{\frac {5}{2}} \left (\frac {10 b}{x^{2}}+15\right ) {\mathrm e}^{-\frac {b}{x^{2}}}}{80 \sqrt {\pi }\, x \,b^{2}}-\frac {\sqrt {2}\, \left (i b \right )^{\frac {5}{2}} \left (-\frac {10 b}{x^{2}}+15\right ) {\mathrm e}^{\frac {b}{x^{2}}}}{80 \sqrt {\pi }\, x \,b^{2}}+\frac {3 \left (i b \right )^{\frac {5}{2}} \sqrt {2}\, \erf \left (\frac {\sqrt {b}}{x}\right )}{32 b^{\frac {5}{2}}}+\frac {3 \left (i b \right )^{\frac {5}{2}} \sqrt {2}\, \erfi \left (\frac {\sqrt {b}}{x}\right )}{32 b^{\frac {5}{2}}}\right )}{b^{3}}\) | \(269\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.30, size = 62, normalized size = 0.67 \begin {gather*} -\frac {1}{10} \, b {\left (\frac {e^{\left (-a\right )} \Gamma \left (\frac {7}{2}, \frac {b}{x^{2}}\right )}{x^{7} \left (\frac {b}{x^{2}}\right )^{\frac {7}{2}}} + \frac {e^{a} \Gamma \left (\frac {7}{2}, -\frac {b}{x^{2}}\right )}{x^{7} \left (-\frac {b}{x^{2}}\right )^{\frac {7}{2}}}\right )} - \frac {\sinh \left (a + \frac {b}{x^{2}}\right )}{5 \, x^{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 313 vs.
\(2 (71) = 142\).
time = 0.35, size = 313, normalized size = 3.37 \begin {gather*} -\frac {6 \, b x^{2} - 2 \, {\left (3 \, b x^{2} - 2 \, b^{2}\right )} \cosh \left (\frac {a x^{2} + b}{x^{2}}\right )^{2} - 3 \, \sqrt {\pi } {\left (x^{3} \cosh \left (a\right ) \cosh \left (\frac {a x^{2} + b}{x^{2}}\right ) + x^{3} \cosh \left (\frac {a x^{2} + b}{x^{2}}\right ) \sinh \left (a\right ) + {\left (x^{3} \cosh \left (a\right ) + x^{3} \sinh \left (a\right )\right )} \sinh \left (\frac {a x^{2} + b}{x^{2}}\right )\right )} \sqrt {-b} \operatorname {erf}\left (\frac {\sqrt {-b}}{x}\right ) - 3 \, \sqrt {\pi } {\left (x^{3} \cosh \left (a\right ) \cosh \left (\frac {a x^{2} + b}{x^{2}}\right ) - x^{3} \cosh \left (\frac {a x^{2} + b}{x^{2}}\right ) \sinh \left (a\right ) + {\left (x^{3} \cosh \left (a\right ) - x^{3} \sinh \left (a\right )\right )} \sinh \left (\frac {a x^{2} + b}{x^{2}}\right )\right )} \sqrt {b} \operatorname {erf}\left (\frac {\sqrt {b}}{x}\right ) - 4 \, {\left (3 \, b x^{2} - 2 \, b^{2}\right )} \cosh \left (\frac {a x^{2} + b}{x^{2}}\right ) \sinh \left (\frac {a x^{2} + b}{x^{2}}\right ) - 2 \, {\left (3 \, b x^{2} - 2 \, b^{2}\right )} \sinh \left (\frac {a x^{2} + b}{x^{2}}\right )^{2} + 4 \, b^{2}}{16 \, {\left (b^{3} x^{3} \cosh \left (\frac {a x^{2} + b}{x^{2}}\right ) + b^{3} x^{3} \sinh \left (\frac {a x^{2} + b}{x^{2}}\right )\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 \frac {\sinh {\left (a + \frac {b}{x^{2}} \right )}}{x^{6}}\, 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 \frac {\mathrm {sinh}\left (a+\frac {b}{x^2}\right )}{x^6} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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