Integrand size = 15, antiderivative size = 132 \[ \int \frac {(a+b x) \cosh (c+d x)}{x^4} \, dx=-\frac {a \cosh (c+d x)}{3 x^3}-\frac {b \cosh (c+d x)}{2 x^2}-\frac {a d^2 \cosh (c+d x)}{6 x}+\frac {1}{2} b d^2 \cosh (c) \text {Chi}(d x)+\frac {1}{6} a d^3 \text {Chi}(d x) \sinh (c)-\frac {a d \sinh (c+d x)}{6 x^2}-\frac {b d \sinh (c+d x)}{2 x}+\frac {1}{6} a d^3 \cosh (c) \text {Shi}(d x)+\frac {1}{2} b d^2 \sinh (c) \text {Shi}(d x) \]
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Time = 0.26 (sec) , antiderivative size = 132, normalized size of antiderivative = 1.00, number of steps used = 13, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {6874, 3378, 3384, 3379, 3382} \[ \int \frac {(a+b x) \cosh (c+d x)}{x^4} \, dx=\frac {1}{6} a d^3 \sinh (c) \text {Chi}(d x)+\frac {1}{6} a d^3 \cosh (c) \text {Shi}(d x)-\frac {a d^2 \cosh (c+d x)}{6 x}-\frac {a \cosh (c+d x)}{3 x^3}-\frac {a d \sinh (c+d x)}{6 x^2}+\frac {1}{2} b d^2 \cosh (c) \text {Chi}(d x)+\frac {1}{2} b d^2 \sinh (c) \text {Shi}(d x)-\frac {b \cosh (c+d x)}{2 x^2}-\frac {b d \sinh (c+d x)}{2 x} \]
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Rule 3378
Rule 3379
Rule 3382
Rule 3384
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {a \cosh (c+d x)}{x^4}+\frac {b \cosh (c+d x)}{x^3}\right ) \, dx \\ & = a \int \frac {\cosh (c+d x)}{x^4} \, dx+b \int \frac {\cosh (c+d x)}{x^3} \, dx \\ & = -\frac {a \cosh (c+d x)}{3 x^3}-\frac {b \cosh (c+d x)}{2 x^2}+\frac {1}{3} (a d) \int \frac {\sinh (c+d x)}{x^3} \, dx+\frac {1}{2} (b d) \int \frac {\sinh (c+d x)}{x^2} \, dx \\ & = -\frac {a \cosh (c+d x)}{3 x^3}-\frac {b \cosh (c+d x)}{2 x^2}-\frac {a d \sinh (c+d x)}{6 x^2}-\frac {b d \sinh (c+d x)}{2 x}+\frac {1}{6} \left (a d^2\right ) \int \frac {\cosh (c+d x)}{x^2} \, dx+\frac {1}{2} \left (b d^2\right ) \int \frac {\cosh (c+d x)}{x} \, dx \\ & = -\frac {a \cosh (c+d x)}{3 x^3}-\frac {b \cosh (c+d x)}{2 x^2}-\frac {a d^2 \cosh (c+d x)}{6 x}-\frac {a d \sinh (c+d x)}{6 x^2}-\frac {b d \sinh (c+d x)}{2 x}+\frac {1}{6} \left (a d^3\right ) \int \frac {\sinh (c+d x)}{x} \, dx+\frac {1}{2} \left (b d^2 \cosh (c)\right ) \int \frac {\cosh (d x)}{x} \, dx+\frac {1}{2} \left (b d^2 \sinh (c)\right ) \int \frac {\sinh (d x)}{x} \, dx \\ & = -\frac {a \cosh (c+d x)}{3 x^3}-\frac {b \cosh (c+d x)}{2 x^2}-\frac {a d^2 \cosh (c+d x)}{6 x}+\frac {1}{2} b d^2 \cosh (c) \text {Chi}(d x)-\frac {a d \sinh (c+d x)}{6 x^2}-\frac {b d \sinh (c+d x)}{2 x}+\frac {1}{2} b d^2 \sinh (c) \text {Shi}(d x)+\frac {1}{6} \left (a d^3 \cosh (c)\right ) \int \frac {\sinh (d x)}{x} \, dx+\frac {1}{6} \left (a d^3 \sinh (c)\right ) \int \frac {\cosh (d x)}{x} \, dx \\ & = -\frac {a \cosh (c+d x)}{3 x^3}-\frac {b \cosh (c+d x)}{2 x^2}-\frac {a d^2 \cosh (c+d x)}{6 x}+\frac {1}{2} b d^2 \cosh (c) \text {Chi}(d x)+\frac {1}{6} a d^3 \text {Chi}(d x) \sinh (c)-\frac {a d \sinh (c+d x)}{6 x^2}-\frac {b d \sinh (c+d x)}{2 x}+\frac {1}{6} a d^3 \cosh (c) \text {Shi}(d x)+\frac {1}{2} b d^2 \sinh (c) \text {Shi}(d x) \\ \end{align*}
Time = 0.23 (sec) , antiderivative size = 110, normalized size of antiderivative = 0.83 \[ \int \frac {(a+b x) \cosh (c+d x)}{x^4} \, dx=-\frac {2 a \cosh (c+d x)+3 b x \cosh (c+d x)+a d^2 x^2 \cosh (c+d x)-d^2 x^3 \text {Chi}(d x) (3 b \cosh (c)+a d \sinh (c))+a d x \sinh (c+d x)+3 b d x^2 \sinh (c+d x)-d^2 x^3 (a d \cosh (c)+3 b \sinh (c)) \text {Shi}(d x)}{6 x^3} \]
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Time = 0.13 (sec) , antiderivative size = 204, normalized size of antiderivative = 1.55
method | result | size |
risch | \(-\frac {{\mathrm e}^{c} \operatorname {Ei}_{1}\left (-d x \right ) a \,d^{3} x^{3}-{\mathrm e}^{-c} \operatorname {Ei}_{1}\left (d x \right ) a \,d^{3} x^{3}+3 \,{\mathrm e}^{c} \operatorname {Ei}_{1}\left (-d x \right ) b \,d^{2} x^{3}+3 \,{\mathrm e}^{-c} \operatorname {Ei}_{1}\left (d x \right ) b \,d^{2} x^{3}+{\mathrm e}^{d x +c} a \,d^{2} x^{2}+{\mathrm e}^{-d x -c} a \,d^{2} x^{2}+3 \,{\mathrm e}^{d x +c} b d \,x^{2}-3 \,{\mathrm e}^{-d x -c} b d \,x^{2}+{\mathrm e}^{d x +c} a d x -{\mathrm e}^{-d x -c} a d x +3 \,{\mathrm e}^{d x +c} b x +3 \,{\mathrm e}^{-d x -c} b x +2 a \,{\mathrm e}^{d x +c}+2 \,{\mathrm e}^{-d x -c} a}{12 x^{3}}\) | \(204\) |
meijerg | \(-\frac {d^{2} b \cosh \left (c \right ) \sqrt {\pi }\, \left (\frac {4}{\sqrt {\pi }\, x^{2} d^{2}}-\frac {2 \left (2 \gamma -3+2 \ln \left (x \right )+2 \ln \left (i d \right )\right )}{\sqrt {\pi }}-\frac {4 \left (\frac {9 x^{2} d^{2}}{2}+3\right )}{3 \sqrt {\pi }\, x^{2} d^{2}}+\frac {4 \cosh \left (d x \right )}{\sqrt {\pi }\, x^{2} d^{2}}+\frac {4 \sinh \left (d x \right )}{\sqrt {\pi }\, x d}-\frac {4 \left (\operatorname {Chi}\left (d x \right )-\ln \left (d x \right )-\gamma \right )}{\sqrt {\pi }}\right )}{8}+\frac {i d^{2} b \sinh \left (c \right ) \sqrt {\pi }\, \left (\frac {4 i \cosh \left (d x \right )}{d x \sqrt {\pi }}+\frac {4 i \sinh \left (d x \right )}{x^{2} d^{2} \sqrt {\pi }}-\frac {4 i \operatorname {Shi}\left (d x \right )}{\sqrt {\pi }}\right )}{8}-\frac {i a \cosh \left (c \right ) \sqrt {\pi }\, d^{3} \left (-\frac {8 i \left (x^{2} d^{2}+2\right ) \cosh \left (d x \right )}{3 d^{3} x^{3} \sqrt {\pi }}-\frac {8 i \sinh \left (d x \right )}{3 x^{2} d^{2} \sqrt {\pi }}+\frac {8 i \operatorname {Shi}\left (d x \right )}{3 \sqrt {\pi }}\right )}{16}-\frac {a \sinh \left (c \right ) \sqrt {\pi }\, d^{3} \left (\frac {8}{\sqrt {\pi }\, x^{2} d^{2}}-\frac {4 \left (2 \gamma -\frac {11}{3}+2 \ln \left (x \right )+2 \ln \left (i d \right )\right )}{3 \sqrt {\pi }}-\frac {8 \left (\frac {55 x^{2} d^{2}}{2}+45\right )}{45 \sqrt {\pi }\, x^{2} d^{2}}+\frac {8 \cosh \left (d x \right )}{3 \sqrt {\pi }\, x^{2} d^{2}}+\frac {16 \left (\frac {5 x^{2} d^{2}}{2}+5\right ) \sinh \left (d x \right )}{15 \sqrt {\pi }\, x^{3} d^{3}}-\frac {8 \left (\operatorname {Chi}\left (d x \right )-\ln \left (d x \right )-\gamma \right )}{3 \sqrt {\pi }}\right )}{16}\) | \(359\) |
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Time = 0.24 (sec) , antiderivative size = 143, normalized size of antiderivative = 1.08 \[ \int \frac {(a+b x) \cosh (c+d x)}{x^4} \, dx=-\frac {2 \, {\left (a d^{2} x^{2} + 3 \, b x + 2 \, a\right )} \cosh \left (d x + c\right ) - {\left ({\left (a d^{3} + 3 \, b d^{2}\right )} x^{3} {\rm Ei}\left (d x\right ) - {\left (a d^{3} - 3 \, b d^{2}\right )} x^{3} {\rm Ei}\left (-d x\right )\right )} \cosh \left (c\right ) + 2 \, {\left (3 \, b d x^{2} + a d x\right )} \sinh \left (d x + c\right ) - {\left ({\left (a d^{3} + 3 \, b d^{2}\right )} x^{3} {\rm Ei}\left (d x\right ) + {\left (a d^{3} - 3 \, b d^{2}\right )} x^{3} {\rm Ei}\left (-d x\right )\right )} \sinh \left (c\right )}{12 \, x^{3}} \]
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Timed out. \[ \int \frac {(a+b x) \cosh (c+d x)}{x^4} \, dx=\text {Timed out} \]
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Time = 0.26 (sec) , antiderivative size = 78, normalized size of antiderivative = 0.59 \[ \int \frac {(a+b x) \cosh (c+d x)}{x^4} \, dx=\frac {1}{12} \, {\left (2 \, a d^{2} e^{\left (-c\right )} \Gamma \left (-2, d x\right ) - 2 \, a d^{2} e^{c} \Gamma \left (-2, -d x\right ) + 3 \, b d e^{\left (-c\right )} \Gamma \left (-1, d x\right ) + 3 \, b d e^{c} \Gamma \left (-1, -d x\right )\right )} d - \frac {{\left (3 \, b x + 2 \, a\right )} \cosh \left (d x + c\right )}{6 \, x^{3}} \]
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Time = 0.37 (sec) , antiderivative size = 199, normalized size of antiderivative = 1.51 \[ \int \frac {(a+b x) \cosh (c+d x)}{x^4} \, dx=-\frac {a d^{3} x^{3} {\rm Ei}\left (-d x\right ) e^{\left (-c\right )} - a d^{3} x^{3} {\rm Ei}\left (d x\right ) e^{c} - 3 \, b d^{2} x^{3} {\rm Ei}\left (-d x\right ) e^{\left (-c\right )} - 3 \, b d^{2} x^{3} {\rm Ei}\left (d x\right ) e^{c} + a d^{2} x^{2} e^{\left (d x + c\right )} + a d^{2} x^{2} e^{\left (-d x - c\right )} + 3 \, b d x^{2} e^{\left (d x + c\right )} - 3 \, b d x^{2} e^{\left (-d x - c\right )} + a d x e^{\left (d x + c\right )} - a d x e^{\left (-d x - c\right )} + 3 \, b x e^{\left (d x + c\right )} + 3 \, b x e^{\left (-d x - c\right )} + 2 \, a e^{\left (d x + c\right )} + 2 \, a e^{\left (-d x - c\right )}}{12 \, x^{3}} \]
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Timed out. \[ \int \frac {(a+b x) \cosh (c+d x)}{x^4} \, dx=\int \frac {\mathrm {cosh}\left (c+d\,x\right )\,\left (a+b\,x\right )}{x^4} \,d x \]
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