Integrand size = 19, antiderivative size = 110 \[ \int \frac {\left (a+b x^2\right )^2 \cosh (c+d x)}{x} \, dx=-\frac {6 b^2 \cosh (c+d x)}{d^4}-\frac {2 a b \cosh (c+d x)}{d^2}-\frac {3 b^2 x^2 \cosh (c+d x)}{d^2}+a^2 \cosh (c) \text {Chi}(d x)+\frac {6 b^2 x \sinh (c+d x)}{d^3}+\frac {2 a b x \sinh (c+d x)}{d}+\frac {b^2 x^3 \sinh (c+d x)}{d}+a^2 \sinh (c) \text {Shi}(d x) \]
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Time = 0.14 (sec) , antiderivative size = 110, normalized size of antiderivative = 1.00, number of steps used = 11, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.316, Rules used = {5395, 3384, 3379, 3382, 3377, 2718} \[ \int \frac {\left (a+b x^2\right )^2 \cosh (c+d x)}{x} \, dx=a^2 \cosh (c) \text {Chi}(d x)+a^2 \sinh (c) \text {Shi}(d x)-\frac {2 a b \cosh (c+d x)}{d^2}+\frac {2 a b x \sinh (c+d x)}{d}-\frac {6 b^2 \cosh (c+d x)}{d^4}+\frac {6 b^2 x \sinh (c+d x)}{d^3}-\frac {3 b^2 x^2 \cosh (c+d x)}{d^2}+\frac {b^2 x^3 \sinh (c+d x)}{d} \]
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Rule 2718
Rule 3377
Rule 3379
Rule 3382
Rule 3384
Rule 5395
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {a^2 \cosh (c+d x)}{x}+2 a b x \cosh (c+d x)+b^2 x^3 \cosh (c+d x)\right ) \, dx \\ & = a^2 \int \frac {\cosh (c+d x)}{x} \, dx+(2 a b) \int x \cosh (c+d x) \, dx+b^2 \int x^3 \cosh (c+d x) \, dx \\ & = \frac {2 a b x \sinh (c+d x)}{d}+\frac {b^2 x^3 \sinh (c+d x)}{d}-\frac {(2 a b) \int \sinh (c+d x) \, dx}{d}-\frac {\left (3 b^2\right ) \int x^2 \sinh (c+d x) \, dx}{d}+\left (a^2 \cosh (c)\right ) \int \frac {\cosh (d x)}{x} \, dx+\left (a^2 \sinh (c)\right ) \int \frac {\sinh (d x)}{x} \, dx \\ & = -\frac {2 a b \cosh (c+d x)}{d^2}-\frac {3 b^2 x^2 \cosh (c+d x)}{d^2}+a^2 \cosh (c) \text {Chi}(d x)+\frac {2 a b x \sinh (c+d x)}{d}+\frac {b^2 x^3 \sinh (c+d x)}{d}+a^2 \sinh (c) \text {Shi}(d x)+\frac {\left (6 b^2\right ) \int x \cosh (c+d x) \, dx}{d^2} \\ & = -\frac {2 a b \cosh (c+d x)}{d^2}-\frac {3 b^2 x^2 \cosh (c+d x)}{d^2}+a^2 \cosh (c) \text {Chi}(d x)+\frac {6 b^2 x \sinh (c+d x)}{d^3}+\frac {2 a b x \sinh (c+d x)}{d}+\frac {b^2 x^3 \sinh (c+d x)}{d}+a^2 \sinh (c) \text {Shi}(d x)-\frac {\left (6 b^2\right ) \int \sinh (c+d x) \, dx}{d^3} \\ & = -\frac {6 b^2 \cosh (c+d x)}{d^4}-\frac {2 a b \cosh (c+d x)}{d^2}-\frac {3 b^2 x^2 \cosh (c+d x)}{d^2}+a^2 \cosh (c) \text {Chi}(d x)+\frac {6 b^2 x \sinh (c+d x)}{d^3}+\frac {2 a b x \sinh (c+d x)}{d}+\frac {b^2 x^3 \sinh (c+d x)}{d}+a^2 \sinh (c) \text {Shi}(d x) \\ \end{align*}
Time = 0.28 (sec) , antiderivative size = 82, normalized size of antiderivative = 0.75 \[ \int \frac {\left (a+b x^2\right )^2 \cosh (c+d x)}{x} \, dx=-\frac {b \left (2 a d^2+3 b \left (2+d^2 x^2\right )\right ) \cosh (c+d x)}{d^4}+a^2 \cosh (c) \text {Chi}(d x)+\frac {b x \left (2 a d^2+b \left (6+d^2 x^2\right )\right ) \sinh (c+d x)}{d^3}+a^2 \sinh (c) \text {Shi}(d x) \]
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Leaf count of result is larger than twice the leaf count of optimal. \(225\) vs. \(2(110)=220\).
Time = 0.22 (sec) , antiderivative size = 226, normalized size of antiderivative = 2.05
method | result | size |
risch | \(-\frac {{\mathrm e}^{-d x -c} b^{2} x^{3}}{2 d}+\frac {{\mathrm e}^{d x +c} b^{2} x^{3}}{2 d}-\frac {a^{2} {\mathrm e}^{c} \operatorname {Ei}_{1}\left (-d x \right )}{2}-\frac {a^{2} {\mathrm e}^{-c} \operatorname {Ei}_{1}\left (d x \right )}{2}-\frac {{\mathrm e}^{-d x -c} a b x}{d}-\frac {3 \,{\mathrm e}^{-d x -c} b^{2} x^{2}}{2 d^{2}}+\frac {{\mathrm e}^{d x +c} a b x}{d}-\frac {3 \,{\mathrm e}^{d x +c} b^{2} x^{2}}{2 d^{2}}-\frac {{\mathrm e}^{-d x -c} a b}{d^{2}}-\frac {3 \,{\mathrm e}^{-d x -c} b^{2} x}{d^{3}}-\frac {{\mathrm e}^{d x +c} a b}{d^{2}}+\frac {3 \,{\mathrm e}^{d x +c} b^{2} x}{d^{3}}-\frac {3 \,{\mathrm e}^{-d x -c} b^{2}}{d^{4}}-\frac {3 \,{\mathrm e}^{d x +c} b^{2}}{d^{4}}\) | \(226\) |
meijerg | \(\frac {8 b^{2} \cosh \left (c \right ) \sqrt {\pi }\, \left (\frac {3}{4 \sqrt {\pi }}-\frac {\left (\frac {3 x^{2} d^{2}}{2}+3\right ) \cosh \left (d x \right )}{4 \sqrt {\pi }}+\frac {d x \left (\frac {x^{2} d^{2}}{2}+3\right ) \sinh \left (d x \right )}{4 \sqrt {\pi }}\right )}{d^{4}}-\frac {8 i b^{2} \sinh \left (c \right ) \sqrt {\pi }\, \left (\frac {i x d \left (\frac {5 x^{2} d^{2}}{2}+15\right ) \cosh \left (d x \right )}{20 \sqrt {\pi }}-\frac {i \left (\frac {15 x^{2} d^{2}}{2}+15\right ) \sinh \left (d x \right )}{20 \sqrt {\pi }}\right )}{d^{4}}-\frac {4 b a \cosh \left (c \right ) \sqrt {\pi }\, \left (-\frac {1}{2 \sqrt {\pi }}+\frac {\cosh \left (d x \right )}{2 \sqrt {\pi }}-\frac {d x \sinh \left (d x \right )}{2 \sqrt {\pi }}\right )}{d^{2}}+\frac {2 b a \sinh \left (c \right ) \left (\cosh \left (d x \right ) x d -\sinh \left (d x \right )\right )}{d^{2}}+\frac {a^{2} \cosh \left (c \right ) \sqrt {\pi }\, \left (\frac {2 \gamma +2 \ln \left (x \right )+2 \ln \left (i d \right )}{\sqrt {\pi }}+\frac {2 \,\operatorname {Chi}\left (d x \right )-2 \ln \left (d x \right )-2 \gamma }{\sqrt {\pi }}\right )}{2}+a^{2} \operatorname {Shi}\left (d x \right ) \sinh \left (c \right )\) | \(238\) |
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Time = 0.25 (sec) , antiderivative size = 130, normalized size of antiderivative = 1.18 \[ \int \frac {\left (a+b x^2\right )^2 \cosh (c+d x)}{x} \, dx=-\frac {2 \, {\left (3 \, b^{2} d^{2} x^{2} + 2 \, a b d^{2} + 6 \, b^{2}\right )} \cosh \left (d x + c\right ) - {\left (a^{2} d^{4} {\rm Ei}\left (d x\right ) + a^{2} d^{4} {\rm Ei}\left (-d x\right )\right )} \cosh \left (c\right ) - 2 \, {\left (b^{2} d^{3} x^{3} + 2 \, {\left (a b d^{3} + 3 \, b^{2} d\right )} x\right )} \sinh \left (d x + c\right ) - {\left (a^{2} d^{4} {\rm Ei}\left (d x\right ) - a^{2} d^{4} {\rm Ei}\left (-d x\right )\right )} \sinh \left (c\right )}{2 \, d^{4}} \]
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Time = 1.84 (sec) , antiderivative size = 121, normalized size of antiderivative = 1.10 \[ \int \frac {\left (a+b x^2\right )^2 \cosh (c+d x)}{x} \, dx=a^{2} \sinh {\left (c \right )} \operatorname {Shi}{\left (d x \right )} + a^{2} \cosh {\left (c \right )} \operatorname {Chi}\left (d x\right ) + 2 a b \left (\begin {cases} \frac {x \sinh {\left (c + d x \right )}}{d} - \frac {\cosh {\left (c + d x \right )}}{d^{2}} & \text {for}\: d \neq 0 \\\frac {x^{2} \cosh {\left (c \right )}}{2} & \text {otherwise} \end {cases}\right ) + b^{2} \left (\begin {cases} \frac {x^{3} \sinh {\left (c + d x \right )}}{d} - \frac {3 x^{2} \cosh {\left (c + d x \right )}}{d^{2}} + \frac {6 x \sinh {\left (c + d x \right )}}{d^{3}} - \frac {6 \cosh {\left (c + d x \right )}}{d^{4}} & \text {for}\: d \neq 0 \\\frac {x^{4} \cosh {\left (c \right )}}{4} & \text {otherwise} \end {cases}\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 235 vs. \(2 (110) = 220\).
Time = 0.26 (sec) , antiderivative size = 235, normalized size of antiderivative = 2.14 \[ \int \frac {\left (a+b x^2\right )^2 \cosh (c+d x)}{x} \, dx=-\frac {1}{8} \, {\left (4 \, a b {\left (\frac {{\left (d^{2} x^{2} e^{c} - 2 \, d x e^{c} + 2 \, e^{c}\right )} e^{\left (d x\right )}}{d^{3}} + \frac {{\left (d^{2} x^{2} + 2 \, d x + 2\right )} e^{\left (-d x - c\right )}}{d^{3}}\right )} + b^{2} {\left (\frac {{\left (d^{4} x^{4} e^{c} - 4 \, d^{3} x^{3} e^{c} + 12 \, d^{2} x^{2} e^{c} - 24 \, d x e^{c} + 24 \, e^{c}\right )} e^{\left (d x\right )}}{d^{5}} + \frac {{\left (d^{4} x^{4} + 4 \, d^{3} x^{3} + 12 \, d^{2} x^{2} + 24 \, d x + 24\right )} e^{\left (-d x - c\right )}}{d^{5}}\right )} + \frac {4 \, a^{2} \cosh \left (d x + c\right ) \log \left (x^{2}\right )}{d} - \frac {4 \, {\left ({\rm Ei}\left (-d x\right ) e^{\left (-c\right )} + {\rm Ei}\left (d x\right ) e^{c}\right )} a^{2}}{d}\right )} d + \frac {1}{4} \, {\left (b^{2} x^{4} + 4 \, a b x^{2} + 2 \, a^{2} \log \left (x^{2}\right )\right )} \cosh \left (d x + c\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 222 vs. \(2 (110) = 220\).
Time = 0.27 (sec) , antiderivative size = 222, normalized size of antiderivative = 2.02 \[ \int \frac {\left (a+b x^2\right )^2 \cosh (c+d x)}{x} \, dx=\frac {b^{2} d^{3} x^{3} e^{\left (d x + c\right )} - b^{2} d^{3} x^{3} e^{\left (-d x - c\right )} + a^{2} d^{4} {\rm Ei}\left (-d x\right ) e^{\left (-c\right )} + a^{2} d^{4} {\rm Ei}\left (d x\right ) e^{c} + 2 \, a b d^{3} x e^{\left (d x + c\right )} - 3 \, b^{2} d^{2} x^{2} e^{\left (d x + c\right )} - 2 \, a b d^{3} x e^{\left (-d x - c\right )} - 3 \, b^{2} d^{2} x^{2} e^{\left (-d x - c\right )} - 2 \, a b d^{2} e^{\left (d x + c\right )} + 6 \, b^{2} d x e^{\left (d x + c\right )} - 2 \, a b d^{2} e^{\left (-d x - c\right )} - 6 \, b^{2} d x e^{\left (-d x - c\right )} - 6 \, b^{2} e^{\left (d x + c\right )} - 6 \, b^{2} e^{\left (-d x - c\right )}}{2 \, d^{4}} \]
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Timed out. \[ \int \frac {\left (a+b x^2\right )^2 \cosh (c+d x)}{x} \, dx=\int \frac {\mathrm {cosh}\left (c+d\,x\right )\,{\left (b\,x^2+a\right )}^2}{x} \,d x \]
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