Integrand size = 17, antiderivative size = 91 \[ \int \frac {\left (a+b x^3\right ) \cosh (c+d x)}{x^4} \, dx=-\frac {a \cosh (c+d x)}{3 x^3}-\frac {a d^2 \cosh (c+d x)}{6 x}+b \cosh (c) \text {Chi}(d x)+\frac {1}{6} a d^3 \text {Chi}(d x) \sinh (c)-\frac {a d \sinh (c+d x)}{6 x^2}+\frac {1}{6} a d^3 \cosh (c) \text {Shi}(d x)+b \sinh (c) \text {Shi}(d x) \]
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Time = 0.15 (sec) , antiderivative size = 91, normalized size of antiderivative = 1.00, number of steps used = 11, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.294, Rules used = {5395, 3378, 3384, 3379, 3382} \[ \int \frac {\left (a+b x^3\right ) \cosh (c+d x)}{x^4} \, dx=\frac {1}{6} a d^3 \sinh (c) \text {Chi}(d x)+\frac {1}{6} a d^3 \cosh (c) \text {Shi}(d x)-\frac {a d^2 \cosh (c+d x)}{6 x}-\frac {a \cosh (c+d x)}{3 x^3}-\frac {a d \sinh (c+d x)}{6 x^2}+b \cosh (c) \text {Chi}(d x)+b \sinh (c) \text {Shi}(d x) \]
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Rule 3378
Rule 3379
Rule 3382
Rule 3384
Rule 5395
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {a \cosh (c+d x)}{x^4}+\frac {b \cosh (c+d x)}{x}\right ) \, dx \\ & = a \int \frac {\cosh (c+d x)}{x^4} \, dx+b \int \frac {\cosh (c+d x)}{x} \, dx \\ & = -\frac {a \cosh (c+d x)}{3 x^3}+\frac {1}{3} (a d) \int \frac {\sinh (c+d x)}{x^3} \, dx+(b \cosh (c)) \int \frac {\cosh (d x)}{x} \, dx+(b \sinh (c)) \int \frac {\sinh (d x)}{x} \, dx \\ & = -\frac {a \cosh (c+d x)}{3 x^3}+b \cosh (c) \text {Chi}(d x)-\frac {a d \sinh (c+d x)}{6 x^2}+b \sinh (c) \text {Shi}(d x)+\frac {1}{6} \left (a d^2\right ) \int \frac {\cosh (c+d x)}{x^2} \, dx \\ & = -\frac {a \cosh (c+d x)}{3 x^3}-\frac {a d^2 \cosh (c+d x)}{6 x}+b \cosh (c) \text {Chi}(d x)-\frac {a d \sinh (c+d x)}{6 x^2}+b \sinh (c) \text {Shi}(d x)+\frac {1}{6} \left (a d^3\right ) \int \frac {\sinh (c+d x)}{x} \, dx \\ & = -\frac {a \cosh (c+d x)}{3 x^3}-\frac {a d^2 \cosh (c+d x)}{6 x}+b \cosh (c) \text {Chi}(d x)-\frac {a d \sinh (c+d x)}{6 x^2}+b \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 {a d^2 \cosh (c+d x)}{6 x}+b \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 {1}{6} a d^3 \cosh (c) \text {Shi}(d x)+b \sinh (c) \text {Shi}(d x) \\ \end{align*}
Time = 0.16 (sec) , antiderivative size = 73, normalized size of antiderivative = 0.80 \[ \int \frac {\left (a+b x^3\right ) \cosh (c+d x)}{x^4} \, dx=\frac {1}{6} \left (\text {Chi}(d x) \left (6 b \cosh (c)+a d^3 \sinh (c)\right )-\frac {a \left (\left (2+d^2 x^2\right ) \cosh (c+d x)+d x \sinh (c+d x)\right )}{x^3}+\left (a d^3 \cosh (c)+6 b \sinh (c)\right ) \text {Shi}(d x)\right ) \]
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Time = 0.08 (sec) , antiderivative size = 146, normalized size of antiderivative = 1.60
method | result | size |
risch | \(-\frac {{\mathrm e}^{c} \operatorname {Ei}_{1}\left (-d x \right ) a \,d^{3} x^{3}-{\mathrm e}^{-c} \operatorname {Ei}_{1}\left (d x \right ) a \,d^{3} x^{3}+6 \,{\mathrm e}^{c} \operatorname {Ei}_{1}\left (-d x \right ) b \,x^{3}+{\mathrm e}^{-d x -c} a \,d^{2} x^{2}+6 \,{\mathrm e}^{-c} \operatorname {Ei}_{1}\left (d x \right ) b \,x^{3}+{\mathrm e}^{d x +c} a \,d^{2} x^{2}-{\mathrm e}^{-d x -c} a d x +{\mathrm e}^{d x +c} a d x +2 \,{\mathrm e}^{-d x -c} a +2 a \,{\mathrm e}^{d x +c}}{12 x^{3}}\) | \(146\) |
meijerg | \(\frac {b \cosh \left (c \right ) \sqrt {\pi }\, \left (\frac {2 \gamma +2 \ln \left (x \right )+2 \ln \left (i d \right )}{\sqrt {\pi }}+\frac {2 \,\operatorname {Chi}\left (d x \right )-2 \ln \left (d x \right )-2 \gamma }{\sqrt {\pi }}\right )}{2}+b \,\operatorname {Shi}\left (d x \right ) \sinh \left (c \right )-\frac {i a \cosh \left (c \right ) \sqrt {\pi }\, d^{3} \left (-\frac {8 i \left (x^{2} d^{2}+2\right ) \cosh \left (d x \right )}{3 d^{3} x^{3} \sqrt {\pi }}-\frac {8 i \sinh \left (d x \right )}{3 x^{2} d^{2} \sqrt {\pi }}+\frac {8 i \operatorname {Shi}\left (d x \right )}{3 \sqrt {\pi }}\right )}{16}-\frac {a \sinh \left (c \right ) \sqrt {\pi }\, d^{3} \left (\frac {8}{\sqrt {\pi }\, x^{2} d^{2}}-\frac {4 \left (2 \gamma -\frac {11}{3}+2 \ln \left (x \right )+2 \ln \left (i d \right )\right )}{3 \sqrt {\pi }}-\frac {8 \left (\frac {55 x^{2} d^{2}}{2}+45\right )}{45 \sqrt {\pi }\, x^{2} d^{2}}+\frac {8 \cosh \left (d x \right )}{3 \sqrt {\pi }\, x^{2} d^{2}}+\frac {16 \left (\frac {5 x^{2} d^{2}}{2}+5\right ) \sinh \left (d x \right )}{15 \sqrt {\pi }\, x^{3} d^{3}}-\frac {8 \left (\operatorname {Chi}\left (d x \right )-\ln \left (d x \right )-\gamma \right )}{3 \sqrt {\pi }}\right )}{16}\) | \(245\) |
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Time = 0.24 (sec) , antiderivative size = 118, normalized size of antiderivative = 1.30 \[ \int \frac {\left (a+b x^3\right ) \cosh (c+d x)}{x^4} \, dx=-\frac {2 \, a d x \sinh \left (d x + c\right ) + 2 \, {\left (a d^{2} x^{2} + 2 \, a\right )} \cosh \left (d x + c\right ) - {\left ({\left (a d^{3} + 6 \, b\right )} x^{3} {\rm Ei}\left (d x\right ) - {\left (a d^{3} - 6 \, b\right )} x^{3} {\rm Ei}\left (-d x\right )\right )} \cosh \left (c\right ) - {\left ({\left (a d^{3} + 6 \, b\right )} x^{3} {\rm Ei}\left (d x\right ) + {\left (a d^{3} - 6 \, b\right )} x^{3} {\rm Ei}\left (-d x\right )\right )} \sinh \left (c\right )}{12 \, x^{3}} \]
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\[ \int \frac {\left (a+b x^3\right ) \cosh (c+d x)}{x^4} \, dx=\int \frac {\left (a + b x^{3}\right ) \cosh {\left (c + d x \right )}}{x^{4}}\, dx \]
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Time = 0.27 (sec) , antiderivative size = 95, normalized size of antiderivative = 1.04 \[ \int \frac {\left (a+b x^3\right ) \cosh (c+d x)}{x^4} \, dx=\frac {1}{6} \, {\left ({\left (d^{2} e^{\left (-c\right )} \Gamma \left (-2, d x\right ) - d^{2} e^{c} \Gamma \left (-2, -d x\right )\right )} a - \frac {2 \, b \cosh \left (d x + c\right ) \log \left (x^{3}\right )}{d} + \frac {3 \, {\left ({\rm Ei}\left (-d x\right ) e^{\left (-c\right )} + {\rm Ei}\left (d x\right ) e^{c}\right )} b}{d}\right )} d + \frac {1}{3} \, {\left (b \log \left (x^{3}\right ) - \frac {a}{x^{3}}\right )} \cosh \left (d x + c\right ) \]
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Time = 0.26 (sec) , antiderivative size = 141, normalized size of antiderivative = 1.55 \[ \int \frac {\left (a+b x^3\right ) \cosh (c+d x)}{x^4} \, dx=-\frac {a d^{3} x^{3} {\rm Ei}\left (-d x\right ) e^{\left (-c\right )} - a d^{3} x^{3} {\rm Ei}\left (d x\right ) e^{c} + a d^{2} x^{2} e^{\left (d x + c\right )} + a d^{2} x^{2} e^{\left (-d x - c\right )} - 6 \, b x^{3} {\rm Ei}\left (-d x\right ) e^{\left (-c\right )} - 6 \, b x^{3} {\rm Ei}\left (d x\right ) e^{c} + a d x e^{\left (d x + c\right )} - a d x e^{\left (-d x - c\right )} + 2 \, a e^{\left (d x + c\right )} + 2 \, a e^{\left (-d x - c\right )}}{12 \, x^{3}} \]
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Timed out. \[ \int \frac {\left (a+b x^3\right ) \cosh (c+d x)}{x^4} \, dx=\int \frac {\mathrm {cosh}\left (c+d\,x\right )\,\left (b\,x^3+a\right )}{x^4} \,d x \]
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