Integrand size = 17, antiderivative size = 105 \[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x^4} \, dx=-\frac {a \cosh (c+d x)}{3 x^3}-\frac {b \cosh (c+d x)}{x}-\frac {a d^2 \cosh (c+d x)}{6 x}+b d \text {Chi}(d x) \sinh (c)+\frac {1}{6} a d^3 \text {Chi}(d x) \sinh (c)-\frac {a d \sinh (c+d x)}{6 x^2}+b d \cosh (c) \text {Shi}(d x)+\frac {1}{6} a d^3 \cosh (c) \text {Shi}(d x) \]
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Time = 0.20 (sec) , antiderivative size = 105, normalized size of antiderivative = 1.00, number of steps used = 12, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.294, Rules used = {5395, 3378, 3384, 3379, 3382} \[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x^4} \, dx=\frac {1}{6} a d^3 \sinh (c) \text {Chi}(d x)+\frac {1}{6} a d^3 \cosh (c) \text {Shi}(d x)-\frac {a d^2 \cosh (c+d x)}{6 x}-\frac {a \cosh (c+d x)}{3 x^3}-\frac {a d \sinh (c+d x)}{6 x^2}+b d \sinh (c) \text {Chi}(d x)+b d \cosh (c) \text {Shi}(d x)-\frac {b \cosh (c+d x)}{x} \]
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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^2}\right ) \, dx \\ & = a \int \frac {\cosh (c+d x)}{x^4} \, dx+b \int \frac {\cosh (c+d x)}{x^2} \, dx \\ & = -\frac {a \cosh (c+d x)}{3 x^3}-\frac {b \cosh (c+d x)}{x}+\frac {1}{3} (a d) \int \frac {\sinh (c+d x)}{x^3} \, dx+(b d) \int \frac {\sinh (c+d x)}{x} \, dx \\ & = -\frac {a \cosh (c+d x)}{3 x^3}-\frac {b \cosh (c+d x)}{x}-\frac {a d \sinh (c+d x)}{6 x^2}+\frac {1}{6} \left (a d^2\right ) \int \frac {\cosh (c+d x)}{x^2} \, dx+(b d \cosh (c)) \int \frac {\sinh (d x)}{x} \, dx+(b d \sinh (c)) \int \frac {\cosh (d x)}{x} \, dx \\ & = -\frac {a \cosh (c+d x)}{3 x^3}-\frac {b \cosh (c+d x)}{x}-\frac {a d^2 \cosh (c+d x)}{6 x}+b d \text {Chi}(d x) \sinh (c)-\frac {a d \sinh (c+d x)}{6 x^2}+b d \cosh (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 {b \cosh (c+d x)}{x}-\frac {a d^2 \cosh (c+d x)}{6 x}+b d \text {Chi}(d x) \sinh (c)-\frac {a d \sinh (c+d x)}{6 x^2}+b d \cosh (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)}{x}-\frac {a d^2 \cosh (c+d x)}{6 x}+b d \text {Chi}(d x) \sinh (c)+\frac {1}{6} a d^3 \text {Chi}(d x) \sinh (c)-\frac {a d \sinh (c+d x)}{6 x^2}+b d \cosh (c) \text {Shi}(d x)+\frac {1}{6} a d^3 \cosh (c) \text {Shi}(d x) \\ \end{align*}
Time = 0.14 (sec) , antiderivative size = 95, normalized size of antiderivative = 0.90 \[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x^4} \, dx=-\frac {2 a \cosh (c+d x)+6 b x^2 \cosh (c+d x)+a d^2 x^2 \cosh (c+d x)-d \left (6 b+a d^2\right ) x^3 \text {Chi}(d x) \sinh (c)+a d x \sinh (c+d x)-d \left (6 b+a d^2\right ) x^3 \cosh (c) \text {Shi}(d x)}{6 x^3} \]
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Time = 0.10 (sec) , antiderivative size = 175, normalized size of antiderivative = 1.67
method | result | size |
risch | \(-\frac {{\mathrm e}^{c} \operatorname {Ei}_{1}\left (-d x \right ) a \,d^{3} x^{3}-{\mathrm e}^{-c} \operatorname {Ei}_{1}\left (d x \right ) a \,d^{3} x^{3}+6 \,{\mathrm e}^{c} \operatorname {Ei}_{1}\left (-d x \right ) b d \,x^{3}-6 \,{\mathrm e}^{-c} \operatorname {Ei}_{1}\left (d x \right ) b d \,x^{3}+{\mathrm e}^{-d x -c} a \,d^{2} x^{2}+{\mathrm e}^{d x +c} a \,d^{2} x^{2}-{\mathrm e}^{-d x -c} a d x +6 \,{\mathrm e}^{-d x -c} b \,x^{2}+{\mathrm e}^{d x +c} a d x +6 \,{\mathrm e}^{d x +c} b \,x^{2}+2 \,{\mathrm e}^{-d x -c} a +2 a \,{\mathrm e}^{d x +c}}{12 x^{3}}\) | \(175\) |
meijerg | \(\frac {i d b \cosh \left (c \right ) \sqrt {\pi }\, \left (\frac {4 i \cosh \left (d x \right )}{d x \sqrt {\pi }}-\frac {4 i \operatorname {Shi}\left (d x \right )}{\sqrt {\pi }}\right )}{4}+\frac {d b \sinh \left (c \right ) \sqrt {\pi }\, \left (\frac {4 \gamma -4+4 \ln \left (x \right )+4 \ln \left (i d \right )}{\sqrt {\pi }}+\frac {4}{\sqrt {\pi }}-\frac {4 \sinh \left (d x \right )}{\sqrt {\pi }\, x d}+\frac {4 \,\operatorname {Chi}\left (d x \right )-4 \ln \left (d x \right )-4 \gamma }{\sqrt {\pi }}\right )}{4}-\frac {i a \cosh \left (c \right ) \sqrt {\pi }\, d^{3} \left (-\frac {8 i \left (x^{2} d^{2}+2\right ) \cosh \left (d x \right )}{3 d^{3} x^{3} \sqrt {\pi }}-\frac {8 i \sinh \left (d x \right )}{3 x^{2} d^{2} \sqrt {\pi }}+\frac {8 i \operatorname {Shi}\left (d x \right )}{3 \sqrt {\pi }}\right )}{16}-\frac {a \sinh \left (c \right ) \sqrt {\pi }\, d^{3} \left (\frac {8}{\sqrt {\pi }\, x^{2} d^{2}}-\frac {4 \left (2 \gamma -\frac {11}{3}+2 \ln \left (x \right )+2 \ln \left (i d \right )\right )}{3 \sqrt {\pi }}-\frac {8 \left (\frac {55 x^{2} d^{2}}{2}+45\right )}{45 \sqrt {\pi }\, x^{2} d^{2}}+\frac {8 \cosh \left (d x \right )}{3 \sqrt {\pi }\, x^{2} d^{2}}+\frac {16 \left (\frac {5 x^{2} d^{2}}{2}+5\right ) \sinh \left (d x \right )}{15 \sqrt {\pi }\, x^{3} d^{3}}-\frac {8 \left (\operatorname {Chi}\left (d x \right )-\ln \left (d x \right )-\gamma \right )}{3 \sqrt {\pi }}\right )}{16}\) | \(297\) |
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Time = 0.25 (sec) , antiderivative size = 127, normalized size of antiderivative = 1.21 \[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x^4} \, dx=-\frac {2 \, a d x \sinh \left (d x + c\right ) + 2 \, {\left ({\left (a d^{2} + 6 \, b\right )} x^{2} + 2 \, a\right )} \cosh \left (d x + c\right ) - {\left ({\left (a d^{3} + 6 \, b d\right )} x^{3} {\rm Ei}\left (d x\right ) - {\left (a d^{3} + 6 \, b d\right )} x^{3} {\rm Ei}\left (-d x\right )\right )} \cosh \left (c\right ) - {\left ({\left (a d^{3} + 6 \, b d\right )} x^{3} {\rm Ei}\left (d x\right ) + {\left (a d^{3} + 6 \, b d\right )} x^{3} {\rm Ei}\left (-d x\right )\right )} \sinh \left (c\right )}{12 \, x^{3}} \]
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\[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x^4} \, dx=\int \frac {\left (a + b x^{2}\right ) \cosh {\left (c + d x \right )}}{x^{4}}\, dx \]
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Time = 0.25 (sec) , antiderivative size = 73, normalized size of antiderivative = 0.70 \[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x^4} \, dx=\frac {1}{6} \, {\left (a d^{2} e^{\left (-c\right )} \Gamma \left (-2, d x\right ) - a d^{2} e^{c} \Gamma \left (-2, -d x\right ) - 3 \, b {\rm Ei}\left (-d x\right ) e^{\left (-c\right )} + 3 \, b {\rm Ei}\left (d x\right ) e^{c}\right )} d - \frac {{\left (3 \, b x^{2} + a\right )} \cosh \left (d x + c\right )}{3 \, x^{3}} \]
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Time = 0.27 (sec) , antiderivative size = 170, normalized size of antiderivative = 1.62 \[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x^4} \, dx=-\frac {a d^{3} x^{3} {\rm Ei}\left (-d x\right ) e^{\left (-c\right )} - a d^{3} x^{3} {\rm Ei}\left (d x\right ) e^{c} + 6 \, b d x^{3} {\rm Ei}\left (-d x\right ) e^{\left (-c\right )} - 6 \, b d x^{3} {\rm Ei}\left (d x\right ) e^{c} + a d^{2} x^{2} e^{\left (d x + c\right )} + a d^{2} x^{2} e^{\left (-d x - c\right )} + a d x e^{\left (d x + c\right )} + 6 \, b x^{2} e^{\left (d x + c\right )} - a d x e^{\left (-d x - c\right )} + 6 \, b x^{2} e^{\left (-d x - c\right )} + 2 \, a e^{\left (d x + c\right )} + 2 \, a e^{\left (-d x - c\right )}}{12 \, x^{3}} \]
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Timed out. \[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x^4} \, dx=\int \frac {\mathrm {cosh}\left (c+d\,x\right )\,\left (b\,x^2+a\right )}{x^4} \,d x \]
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