Integrand size = 17, antiderivative size = 264 \[ \int \frac {x^3 \cosh (c+d x)}{(a+b x)^3} \, dx=\frac {a^3 \cosh (c+d x)}{2 b^4 (a+b x)^2}-\frac {3 a^2 \cosh (c+d x)}{b^4 (a+b x)}-\frac {3 a \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (\frac {a d}{b}+d x\right )}{b^4}-\frac {a^3 d^2 \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (\frac {a d}{b}+d x\right )}{2 b^6}+\frac {3 a^2 d \text {Chi}\left (\frac {a d}{b}+d x\right ) \sinh \left (c-\frac {a d}{b}\right )}{b^5}+\frac {\sinh (c+d x)}{b^3 d}+\frac {a^3 d \sinh (c+d x)}{2 b^5 (a+b x)}+\frac {3 a^2 d \cosh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{b^5}-\frac {3 a \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{b^4}-\frac {a^3 d^2 \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{2 b^6} \]
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Time = 0.45 (sec) , antiderivative size = 264, normalized size of antiderivative = 1.00, number of steps used = 15, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.353, Rules used = {6874, 2717, 3378, 3384, 3379, 3382} \[ \int \frac {x^3 \cosh (c+d x)}{(a+b x)^3} \, dx=-\frac {a^3 d^2 \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (x d+\frac {a d}{b}\right )}{2 b^6}-\frac {a^3 d^2 \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (x d+\frac {a d}{b}\right )}{2 b^6}+\frac {a^3 d \sinh (c+d x)}{2 b^5 (a+b x)}+\frac {a^3 \cosh (c+d x)}{2 b^4 (a+b x)^2}+\frac {3 a^2 d \sinh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (x d+\frac {a d}{b}\right )}{b^5}+\frac {3 a^2 d \cosh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (x d+\frac {a d}{b}\right )}{b^5}-\frac {3 a^2 \cosh (c+d x)}{b^4 (a+b x)}-\frac {3 a \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (x d+\frac {a d}{b}\right )}{b^4}-\frac {3 a \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (x d+\frac {a d}{b}\right )}{b^4}+\frac {\sinh (c+d x)}{b^3 d} \]
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Rule 2717
Rule 3378
Rule 3379
Rule 3382
Rule 3384
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {\cosh (c+d x)}{b^3}-\frac {a^3 \cosh (c+d x)}{b^3 (a+b x)^3}+\frac {3 a^2 \cosh (c+d x)}{b^3 (a+b x)^2}-\frac {3 a \cosh (c+d x)}{b^3 (a+b x)}\right ) \, dx \\ & = \frac {\int \cosh (c+d x) \, dx}{b^3}-\frac {(3 a) \int \frac {\cosh (c+d x)}{a+b x} \, dx}{b^3}+\frac {\left (3 a^2\right ) \int \frac {\cosh (c+d x)}{(a+b x)^2} \, dx}{b^3}-\frac {a^3 \int \frac {\cosh (c+d x)}{(a+b x)^3} \, dx}{b^3} \\ & = \frac {a^3 \cosh (c+d x)}{2 b^4 (a+b x)^2}-\frac {3 a^2 \cosh (c+d x)}{b^4 (a+b x)}+\frac {\sinh (c+d x)}{b^3 d}+\frac {\left (3 a^2 d\right ) \int \frac {\sinh (c+d x)}{a+b x} \, dx}{b^4}-\frac {\left (a^3 d\right ) \int \frac {\sinh (c+d x)}{(a+b x)^2} \, dx}{2 b^4}-\frac {\left (3 a \cosh \left (c-\frac {a d}{b}\right )\right ) \int \frac {\cosh \left (\frac {a d}{b}+d x\right )}{a+b x} \, dx}{b^3}-\frac {\left (3 a \sinh \left (c-\frac {a d}{b}\right )\right ) \int \frac {\sinh \left (\frac {a d}{b}+d x\right )}{a+b x} \, dx}{b^3} \\ & = \frac {a^3 \cosh (c+d x)}{2 b^4 (a+b x)^2}-\frac {3 a^2 \cosh (c+d x)}{b^4 (a+b x)}-\frac {3 a \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (\frac {a d}{b}+d x\right )}{b^4}+\frac {\sinh (c+d x)}{b^3 d}+\frac {a^3 d \sinh (c+d x)}{2 b^5 (a+b x)}-\frac {3 a \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{b^4}-\frac {\left (a^3 d^2\right ) \int \frac {\cosh (c+d x)}{a+b x} \, dx}{2 b^5}+\frac {\left (3 a^2 d \cosh \left (c-\frac {a d}{b}\right )\right ) \int \frac {\sinh \left (\frac {a d}{b}+d x\right )}{a+b x} \, dx}{b^4}+\frac {\left (3 a^2 d \sinh \left (c-\frac {a d}{b}\right )\right ) \int \frac {\cosh \left (\frac {a d}{b}+d x\right )}{a+b x} \, dx}{b^4} \\ & = \frac {a^3 \cosh (c+d x)}{2 b^4 (a+b x)^2}-\frac {3 a^2 \cosh (c+d x)}{b^4 (a+b x)}-\frac {3 a \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (\frac {a d}{b}+d x\right )}{b^4}+\frac {3 a^2 d \text {Chi}\left (\frac {a d}{b}+d x\right ) \sinh \left (c-\frac {a d}{b}\right )}{b^5}+\frac {\sinh (c+d x)}{b^3 d}+\frac {a^3 d \sinh (c+d x)}{2 b^5 (a+b x)}+\frac {3 a^2 d \cosh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{b^5}-\frac {3 a \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{b^4}-\frac {\left (a^3 d^2 \cosh \left (c-\frac {a d}{b}\right )\right ) \int \frac {\cosh \left (\frac {a d}{b}+d x\right )}{a+b x} \, dx}{2 b^5}-\frac {\left (a^3 d^2 \sinh \left (c-\frac {a d}{b}\right )\right ) \int \frac {\sinh \left (\frac {a d}{b}+d x\right )}{a+b x} \, dx}{2 b^5} \\ & = \frac {a^3 \cosh (c+d x)}{2 b^4 (a+b x)^2}-\frac {3 a^2 \cosh (c+d x)}{b^4 (a+b x)}-\frac {3 a \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (\frac {a d}{b}+d x\right )}{b^4}-\frac {a^3 d^2 \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (\frac {a d}{b}+d x\right )}{2 b^6}+\frac {3 a^2 d \text {Chi}\left (\frac {a d}{b}+d x\right ) \sinh \left (c-\frac {a d}{b}\right )}{b^5}+\frac {\sinh (c+d x)}{b^3 d}+\frac {a^3 d \sinh (c+d x)}{2 b^5 (a+b x)}+\frac {3 a^2 d \cosh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{b^5}-\frac {3 a \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{b^4}-\frac {a^3 d^2 \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{2 b^6} \\ \end{align*}
Time = 0.63 (sec) , antiderivative size = 236, normalized size of antiderivative = 0.89 \[ \int \frac {x^3 \cosh (c+d x)}{(a+b x)^3} \, dx=-\frac {b \cosh (d x) \left (a^2 b d (5 a+6 b x) \cosh (c)-(a+b x) \left (2 a b^2+a^3 d^2+2 b^3 x\right ) \sinh (c)\right )-b \left ((a+b x) \left (2 a b^2+a^3 d^2+2 b^3 x\right ) \cosh (c)-a^2 b d (5 a+6 b x) \sinh (c)\right ) \sinh (d x)+a d (a+b x)^2 \left (\text {Chi}\left (d \left (\frac {a}{b}+x\right )\right ) \left (\left (6 b^2+a^2 d^2\right ) \cosh \left (c-\frac {a d}{b}\right )-6 a b d \sinh \left (c-\frac {a d}{b}\right )\right )+\left (-6 a b d \cosh \left (c-\frac {a d}{b}\right )+\left (6 b^2+a^2 d^2\right ) \sinh \left (c-\frac {a d}{b}\right )\right ) \text {Shi}\left (d \left (\frac {a}{b}+x\right )\right )\right )}{2 b^6 d (a+b x)^2} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(1054\) vs. \(2(262)=524\).
Time = 0.36 (sec) , antiderivative size = 1055, normalized size of antiderivative = 4.00
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Leaf count of result is larger than twice the leaf count of optimal. 566 vs. \(2 (262) = 524\).
Time = 0.26 (sec) , antiderivative size = 566, normalized size of antiderivative = 2.14 \[ \int \frac {x^3 \cosh (c+d x)}{(a+b x)^3} \, dx=-\frac {2 \, {\left (6 \, a^{2} b^{3} d x + 5 \, a^{3} b^{2} d\right )} \cosh \left (d x + c\right ) + {\left ({\left (a^{5} d^{3} - 6 \, a^{4} b d^{2} + 6 \, a^{3} b^{2} d + {\left (a^{3} b^{2} d^{3} - 6 \, a^{2} b^{3} d^{2} + 6 \, a b^{4} d\right )} x^{2} + 2 \, {\left (a^{4} b d^{3} - 6 \, a^{3} b^{2} d^{2} + 6 \, a^{2} b^{3} d\right )} x\right )} {\rm Ei}\left (\frac {b d x + a d}{b}\right ) + {\left (a^{5} d^{3} + 6 \, a^{4} b d^{2} + 6 \, a^{3} b^{2} d + {\left (a^{3} b^{2} d^{3} + 6 \, a^{2} b^{3} d^{2} + 6 \, a b^{4} d\right )} x^{2} + 2 \, {\left (a^{4} b d^{3} + 6 \, a^{3} b^{2} d^{2} + 6 \, a^{2} b^{3} d\right )} x\right )} {\rm Ei}\left (-\frac {b d x + a d}{b}\right )\right )} \cosh \left (-\frac {b c - a d}{b}\right ) - 2 \, {\left (a^{4} b d^{2} + 2 \, b^{5} x^{2} + 2 \, a^{2} b^{3} + {\left (a^{3} b^{2} d^{2} + 4 \, a b^{4}\right )} x\right )} \sinh \left (d x + c\right ) - {\left ({\left (a^{5} d^{3} - 6 \, a^{4} b d^{2} + 6 \, a^{3} b^{2} d + {\left (a^{3} b^{2} d^{3} - 6 \, a^{2} b^{3} d^{2} + 6 \, a b^{4} d\right )} x^{2} + 2 \, {\left (a^{4} b d^{3} - 6 \, a^{3} b^{2} d^{2} + 6 \, a^{2} b^{3} d\right )} x\right )} {\rm Ei}\left (\frac {b d x + a d}{b}\right ) - {\left (a^{5} d^{3} + 6 \, a^{4} b d^{2} + 6 \, a^{3} b^{2} d + {\left (a^{3} b^{2} d^{3} + 6 \, a^{2} b^{3} d^{2} + 6 \, a b^{4} d\right )} x^{2} + 2 \, {\left (a^{4} b d^{3} + 6 \, a^{3} b^{2} d^{2} + 6 \, a^{2} b^{3} d\right )} x\right )} {\rm Ei}\left (-\frac {b d x + a d}{b}\right )\right )} \sinh \left (-\frac {b c - a d}{b}\right )}{4 \, {\left (b^{8} d x^{2} + 2 \, a b^{7} d x + a^{2} b^{6} d\right )}} \]
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\[ \int \frac {x^3 \cosh (c+d x)}{(a+b x)^3} \, dx=\int \frac {x^{3} \cosh {\left (c + d x \right )}}{\left (a + b x\right )^{3}}\, dx \]
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\[ \int \frac {x^3 \cosh (c+d x)}{(a+b x)^3} \, dx=\int { \frac {x^{3} \cosh \left (d x + c\right )}{{\left (b x + a\right )}^{3}} \,d x } \]
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Leaf count of result is larger than twice the leaf count of optimal. 879 vs. \(2 (262) = 524\).
Time = 0.27 (sec) , antiderivative size = 879, normalized size of antiderivative = 3.33 \[ \int \frac {x^3 \cosh (c+d x)}{(a+b x)^3} \, dx=-\frac {a^{3} b^{2} d^{3} x^{2} {\rm Ei}\left (\frac {b d x + a d}{b}\right ) e^{\left (c - \frac {a d}{b}\right )} + a^{3} b^{2} d^{3} x^{2} {\rm Ei}\left (-\frac {b d x + a d}{b}\right ) e^{\left (-c + \frac {a d}{b}\right )} + 2 \, a^{4} b d^{3} x {\rm Ei}\left (\frac {b d x + a d}{b}\right ) e^{\left (c - \frac {a d}{b}\right )} - 6 \, a^{2} b^{3} d^{2} x^{2} {\rm Ei}\left (\frac {b d x + a d}{b}\right ) e^{\left (c - \frac {a d}{b}\right )} + 2 \, a^{4} b d^{3} x {\rm Ei}\left (-\frac {b d x + a d}{b}\right ) e^{\left (-c + \frac {a d}{b}\right )} + 6 \, a^{2} b^{3} d^{2} x^{2} {\rm Ei}\left (-\frac {b d x + a d}{b}\right ) e^{\left (-c + \frac {a d}{b}\right )} + a^{5} d^{3} {\rm Ei}\left (\frac {b d x + a d}{b}\right ) e^{\left (c - \frac {a d}{b}\right )} - 12 \, a^{3} b^{2} d^{2} x {\rm Ei}\left (\frac {b d x + a d}{b}\right ) e^{\left (c - \frac {a d}{b}\right )} + 6 \, a b^{4} d x^{2} {\rm Ei}\left (\frac {b d x + a d}{b}\right ) e^{\left (c - \frac {a d}{b}\right )} + a^{5} d^{3} {\rm Ei}\left (-\frac {b d x + a d}{b}\right ) e^{\left (-c + \frac {a d}{b}\right )} + 12 \, a^{3} b^{2} d^{2} x {\rm Ei}\left (-\frac {b d x + a d}{b}\right ) e^{\left (-c + \frac {a d}{b}\right )} + 6 \, a b^{4} d x^{2} {\rm Ei}\left (-\frac {b d x + a d}{b}\right ) e^{\left (-c + \frac {a d}{b}\right )} - a^{3} b^{2} d^{2} x e^{\left (d x + c\right )} + a^{3} b^{2} d^{2} x e^{\left (-d x - c\right )} - 6 \, a^{4} b d^{2} {\rm Ei}\left (\frac {b d x + a d}{b}\right ) e^{\left (c - \frac {a d}{b}\right )} + 12 \, a^{2} b^{3} d x {\rm Ei}\left (\frac {b d x + a d}{b}\right ) e^{\left (c - \frac {a d}{b}\right )} + 6 \, a^{4} b d^{2} {\rm Ei}\left (-\frac {b d x + a d}{b}\right ) e^{\left (-c + \frac {a d}{b}\right )} + 12 \, a^{2} b^{3} d x {\rm Ei}\left (-\frac {b d x + a d}{b}\right ) e^{\left (-c + \frac {a d}{b}\right )} - a^{4} b d^{2} e^{\left (d x + c\right )} + 6 \, a^{2} b^{3} d x e^{\left (d x + c\right )} - 2 \, b^{5} x^{2} e^{\left (d x + c\right )} + a^{4} b d^{2} e^{\left (-d x - c\right )} + 6 \, a^{2} b^{3} d x e^{\left (-d x - c\right )} + 2 \, b^{5} x^{2} e^{\left (-d x - c\right )} + 6 \, a^{3} b^{2} d {\rm Ei}\left (\frac {b d x + a d}{b}\right ) e^{\left (c - \frac {a d}{b}\right )} + 6 \, a^{3} b^{2} d {\rm Ei}\left (-\frac {b d x + a d}{b}\right ) e^{\left (-c + \frac {a d}{b}\right )} + 5 \, a^{3} b^{2} d e^{\left (d x + c\right )} - 4 \, a b^{4} x e^{\left (d x + c\right )} + 5 \, a^{3} b^{2} d e^{\left (-d x - c\right )} + 4 \, a b^{4} x e^{\left (-d x - c\right )} - 2 \, a^{2} b^{3} e^{\left (d x + c\right )} + 2 \, a^{2} b^{3} e^{\left (-d x - c\right )}}{4 \, {\left (b^{8} d x^{2} + 2 \, a b^{7} d x + a^{2} b^{6} d\right )}} \]
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Timed out. \[ \int \frac {x^3 \cosh (c+d x)}{(a+b x)^3} \, dx=\int \frac {x^3\,\mathrm {cosh}\left (c+d\,x\right )}{{\left (a+b\,x\right )}^3} \,d x \]
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