Integrand size = 17, antiderivative size = 298 \[ \int \frac {\cosh (c+d x)}{x^2 (a+b x)^3} \, dx=-\frac {\cosh (c+d x)}{a^3 x}-\frac {b \cosh (c+d x)}{2 a^2 (a+b x)^2}-\frac {2 b \cosh (c+d x)}{a^3 (a+b x)}-\frac {3 b \cosh (c) \text {Chi}(d x)}{a^4}+\frac {3 b \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (\frac {a d}{b}+d x\right )}{a^4}+\frac {d^2 \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (\frac {a d}{b}+d x\right )}{2 a^2 b}+\frac {d \text {Chi}(d x) \sinh (c)}{a^3}+\frac {2 d \text {Chi}\left (\frac {a d}{b}+d x\right ) \sinh \left (c-\frac {a d}{b}\right )}{a^3}-\frac {d \sinh (c+d x)}{2 a^2 (a+b x)}+\frac {d \cosh (c) \text {Shi}(d x)}{a^3}-\frac {3 b \sinh (c) \text {Shi}(d x)}{a^4}+\frac {2 d \cosh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{a^3}+\frac {3 b \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{a^4}+\frac {d^2 \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{2 a^2 b} \]
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Time = 0.56 (sec) , antiderivative size = 298, normalized size of antiderivative = 1.00, number of steps used = 21, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.294, Rules used = {6874, 3378, 3384, 3379, 3382} \[ \int \frac {\cosh (c+d x)}{x^2 (a+b x)^3} \, dx=-\frac {3 b \cosh (c) \text {Chi}(d x)}{a^4}+\frac {3 b \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (x d+\frac {a d}{b}\right )}{a^4}-\frac {3 b \sinh (c) \text {Shi}(d x)}{a^4}+\frac {3 b \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (x d+\frac {a d}{b}\right )}{a^4}+\frac {2 d \sinh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (x d+\frac {a d}{b}\right )}{a^3}+\frac {2 d \cosh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (x d+\frac {a d}{b}\right )}{a^3}-\frac {2 b \cosh (c+d x)}{a^3 (a+b x)}+\frac {d \sinh (c) \text {Chi}(d x)}{a^3}+\frac {d \cosh (c) \text {Shi}(d x)}{a^3}-\frac {\cosh (c+d x)}{a^3 x}+\frac {d^2 \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (x d+\frac {a d}{b}\right )}{2 a^2 b}+\frac {d^2 \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (x d+\frac {a d}{b}\right )}{2 a^2 b}-\frac {d \sinh (c+d x)}{2 a^2 (a+b x)}-\frac {b \cosh (c+d x)}{2 a^2 (a+b x)^2} \]
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Rule 3378
Rule 3379
Rule 3382
Rule 3384
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {\cosh (c+d x)}{a^3 x^2}-\frac {3 b \cosh (c+d x)}{a^4 x}+\frac {b^2 \cosh (c+d x)}{a^2 (a+b x)^3}+\frac {2 b^2 \cosh (c+d x)}{a^3 (a+b x)^2}+\frac {3 b^2 \cosh (c+d x)}{a^4 (a+b x)}\right ) \, dx \\ & = \frac {\int \frac {\cosh (c+d x)}{x^2} \, dx}{a^3}-\frac {(3 b) \int \frac {\cosh (c+d x)}{x} \, dx}{a^4}+\frac {\left (3 b^2\right ) \int \frac {\cosh (c+d x)}{a+b x} \, dx}{a^4}+\frac {\left (2 b^2\right ) \int \frac {\cosh (c+d x)}{(a+b x)^2} \, dx}{a^3}+\frac {b^2 \int \frac {\cosh (c+d x)}{(a+b x)^3} \, dx}{a^2} \\ & = -\frac {\cosh (c+d x)}{a^3 x}-\frac {b \cosh (c+d x)}{2 a^2 (a+b x)^2}-\frac {2 b \cosh (c+d x)}{a^3 (a+b x)}+\frac {d \int \frac {\sinh (c+d x)}{x} \, dx}{a^3}+\frac {(2 b d) \int \frac {\sinh (c+d x)}{a+b x} \, dx}{a^3}+\frac {(b d) \int \frac {\sinh (c+d x)}{(a+b x)^2} \, dx}{2 a^2}-\frac {(3 b \cosh (c)) \int \frac {\cosh (d x)}{x} \, dx}{a^4}+\frac {\left (3 b^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}{a^4}-\frac {(3 b \sinh (c)) \int \frac {\sinh (d x)}{x} \, dx}{a^4}+\frac {\left (3 b^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}{a^4} \\ & = -\frac {\cosh (c+d x)}{a^3 x}-\frac {b \cosh (c+d x)}{2 a^2 (a+b x)^2}-\frac {2 b \cosh (c+d x)}{a^3 (a+b x)}-\frac {3 b \cosh (c) \text {Chi}(d x)}{a^4}+\frac {3 b \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (\frac {a d}{b}+d x\right )}{a^4}-\frac {d \sinh (c+d x)}{2 a^2 (a+b x)}-\frac {3 b \sinh (c) \text {Shi}(d x)}{a^4}+\frac {3 b \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{a^4}+\frac {d^2 \int \frac {\cosh (c+d x)}{a+b x} \, dx}{2 a^2}+\frac {(d \cosh (c)) \int \frac {\sinh (d x)}{x} \, dx}{a^3}+\frac {\left (2 b 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}{a^3}+\frac {(d \sinh (c)) \int \frac {\cosh (d x)}{x} \, dx}{a^3}+\frac {\left (2 b 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}{a^3} \\ & = -\frac {\cosh (c+d x)}{a^3 x}-\frac {b \cosh (c+d x)}{2 a^2 (a+b x)^2}-\frac {2 b \cosh (c+d x)}{a^3 (a+b x)}-\frac {3 b \cosh (c) \text {Chi}(d x)}{a^4}+\frac {3 b \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (\frac {a d}{b}+d x\right )}{a^4}+\frac {d \text {Chi}(d x) \sinh (c)}{a^3}+\frac {2 d \text {Chi}\left (\frac {a d}{b}+d x\right ) \sinh \left (c-\frac {a d}{b}\right )}{a^3}-\frac {d \sinh (c+d x)}{2 a^2 (a+b x)}+\frac {d \cosh (c) \text {Shi}(d x)}{a^3}-\frac {3 b \sinh (c) \text {Shi}(d x)}{a^4}+\frac {2 d \cosh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{a^3}+\frac {3 b \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{a^4}+\frac {\left (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 a^2}+\frac {\left (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 a^2} \\ & = -\frac {\cosh (c+d x)}{a^3 x}-\frac {b \cosh (c+d x)}{2 a^2 (a+b x)^2}-\frac {2 b \cosh (c+d x)}{a^3 (a+b x)}-\frac {3 b \cosh (c) \text {Chi}(d x)}{a^4}+\frac {3 b \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (\frac {a d}{b}+d x\right )}{a^4}+\frac {d^2 \cosh \left (c-\frac {a d}{b}\right ) \text {Chi}\left (\frac {a d}{b}+d x\right )}{2 a^2 b}+\frac {d \text {Chi}(d x) \sinh (c)}{a^3}+\frac {2 d \text {Chi}\left (\frac {a d}{b}+d x\right ) \sinh \left (c-\frac {a d}{b}\right )}{a^3}-\frac {d \sinh (c+d x)}{2 a^2 (a+b x)}+\frac {d \cosh (c) \text {Shi}(d x)}{a^3}-\frac {3 b \sinh (c) \text {Shi}(d x)}{a^4}+\frac {2 d \cosh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{a^3}+\frac {3 b \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{a^4}+\frac {d^2 \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (\frac {a d}{b}+d x\right )}{2 a^2 b} \\ \end{align*}
Time = 0.99 (sec) , antiderivative size = 541, normalized size of antiderivative = 1.82 \[ \int \frac {\cosh (c+d x)}{x^2 (a+b x)^3} \, dx=\frac {-2 a^3 b \cosh (c+d x)-9 a^2 b^2 x \cosh (c+d x)-6 a b^3 x^2 \cosh (c+d x)+2 b x (a+b x)^2 \text {Chi}(d x) (-3 b \cosh (c)+a d \sinh (c))+x (a+b x)^2 \text {Chi}\left (d \left (\frac {a}{b}+x\right )\right ) \left (\left (6 b^2+a^2 d^2\right ) \cosh \left (c-\frac {a d}{b}\right )+4 a b d \sinh \left (c-\frac {a d}{b}\right )\right )-a^3 b d x \sinh (c+d x)-a^2 b^2 d x^2 \sinh (c+d x)+2 a^3 b d x \cosh (c) \text {Shi}(d x)+4 a^2 b^2 d x^2 \cosh (c) \text {Shi}(d x)+2 a b^3 d x^3 \cosh (c) \text {Shi}(d x)-6 a^2 b^2 x \sinh (c) \text {Shi}(d x)-12 a b^3 x^2 \sinh (c) \text {Shi}(d x)-6 b^4 x^3 \sinh (c) \text {Shi}(d x)+4 a^3 b d x \cosh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (d \left (\frac {a}{b}+x\right )\right )+8 a^2 b^2 d x^2 \cosh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (d \left (\frac {a}{b}+x\right )\right )+4 a b^3 d x^3 \cosh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (d \left (\frac {a}{b}+x\right )\right )+6 a^2 b^2 x \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (d \left (\frac {a}{b}+x\right )\right )+a^4 d^2 x \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (d \left (\frac {a}{b}+x\right )\right )+12 a b^3 x^2 \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (d \left (\frac {a}{b}+x\right )\right )+2 a^3 b d^2 x^2 \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (d \left (\frac {a}{b}+x\right )\right )+6 b^4 x^3 \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (d \left (\frac {a}{b}+x\right )\right )+a^2 b^2 d^2 x^3 \sinh \left (c-\frac {a d}{b}\right ) \text {Shi}\left (d \left (\frac {a}{b}+x\right )\right )}{2 a^4 b x (a+b x)^2} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(642\) vs. \(2(296)=592\).
Time = 0.36 (sec) , antiderivative size = 643, normalized size of antiderivative = 2.16
method | result | size |
risch | \(\frac {{\mathrm e}^{-d x -c} x \,d^{3} b}{4 a^{2} \left (x^{2} d^{2} b^{2}+2 a b \,d^{2} x +a^{2} d^{2}\right )}+\frac {{\mathrm e}^{-d x -c} d^{3}}{4 a \left (x^{2} d^{2} b^{2}+2 a b \,d^{2} x +a^{2} d^{2}\right )}-\frac {3 \,{\mathrm e}^{-d x -c} x \,d^{2} b^{2}}{2 a^{3} \left (x^{2} d^{2} b^{2}+2 a b \,d^{2} x +a^{2} d^{2}\right )}-\frac {9 \,{\mathrm e}^{-d x -c} d^{2} b}{4 a^{2} \left (x^{2} d^{2} b^{2}+2 a b \,d^{2} x +a^{2} d^{2}\right )}-\frac {{\mathrm e}^{-d x -c} d^{2}}{2 a x \left (x^{2} d^{2} b^{2}+2 a b \,d^{2} x +a^{2} d^{2}\right )}+\frac {d \,{\mathrm e}^{-c} \operatorname {Ei}_{1}\left (d x \right )}{2 a^{3}}+\frac {3 \,{\mathrm e}^{-c} \operatorname {Ei}_{1}\left (d x \right ) b}{2 a^{4}}-\frac {d^{2} {\mathrm e}^{\frac {d a -c b}{b}} \operatorname {Ei}_{1}\left (d x +c +\frac {d a -c b}{b}\right )}{4 b \,a^{2}}+\frac {d \,{\mathrm e}^{\frac {d a -c b}{b}} \operatorname {Ei}_{1}\left (d x +c +\frac {d a -c b}{b}\right )}{a^{3}}-\frac {3 b \,{\mathrm e}^{\frac {d a -c b}{b}} \operatorname {Ei}_{1}\left (d x +c +\frac {d a -c b}{b}\right )}{2 a^{4}}-\frac {{\mathrm e}^{d x +c}}{2 a^{3} x}-\frac {d \,{\mathrm e}^{c} \operatorname {Ei}_{1}\left (-d x \right )}{2 a^{3}}+\frac {3 b \,{\mathrm e}^{c} \operatorname {Ei}_{1}\left (-d x \right )}{2 a^{4}}-\frac {d^{2} {\mathrm e}^{d x +c}}{4 a^{2} b \left (\frac {d a}{b}+d x \right )^{2}}-\frac {d^{2} {\mathrm e}^{d x +c}}{4 a^{2} b \left (\frac {d a}{b}+d x \right )}-\frac {d^{2} {\mathrm e}^{-\frac {d a -c b}{b}} \operatorname {Ei}_{1}\left (-d x -c -\frac {d a -c b}{b}\right )}{4 a^{2} b}-\frac {d \,{\mathrm e}^{d x +c}}{a^{3} \left (\frac {d a}{b}+d x \right )}-\frac {d \,{\mathrm e}^{-\frac {d a -c b}{b}} \operatorname {Ei}_{1}\left (-d x -c -\frac {d a -c b}{b}\right )}{a^{3}}-\frac {3 b \,{\mathrm e}^{-\frac {d a -c b}{b}} \operatorname {Ei}_{1}\left (-d x -c -\frac {d a -c b}{b}\right )}{2 a^{4}}\) | \(643\) |
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Leaf count of result is larger than twice the leaf count of optimal. 762 vs. \(2 (296) = 592\).
Time = 0.26 (sec) , antiderivative size = 762, normalized size of antiderivative = 2.56 \[ \int \frac {\cosh (c+d x)}{x^2 (a+b x)^3} \, dx=-\frac {2 \, {\left (6 \, a b^{3} x^{2} + 9 \, a^{2} b^{2} x + 2 \, a^{3} b\right )} \cosh \left (d x + c\right ) - 2 \, {\left ({\left ({\left (a b^{3} d - 3 \, b^{4}\right )} x^{3} + 2 \, {\left (a^{2} b^{2} d - 3 \, a b^{3}\right )} x^{2} + {\left (a^{3} b d - 3 \, a^{2} b^{2}\right )} x\right )} {\rm Ei}\left (d x\right ) - {\left ({\left (a b^{3} d + 3 \, b^{4}\right )} x^{3} + 2 \, {\left (a^{2} b^{2} d + 3 \, a b^{3}\right )} x^{2} + {\left (a^{3} b d + 3 \, a^{2} b^{2}\right )} x\right )} {\rm Ei}\left (-d x\right )\right )} \cosh \left (c\right ) - {\left ({\left ({\left (a^{2} b^{2} d^{2} + 4 \, a b^{3} d + 6 \, b^{4}\right )} x^{3} + 2 \, {\left (a^{3} b d^{2} + 4 \, a^{2} b^{2} d + 6 \, a b^{3}\right )} x^{2} + {\left (a^{4} d^{2} + 4 \, a^{3} b d + 6 \, a^{2} b^{2}\right )} x\right )} {\rm Ei}\left (\frac {b d x + a d}{b}\right ) + {\left ({\left (a^{2} b^{2} d^{2} - 4 \, a b^{3} d + 6 \, b^{4}\right )} x^{3} + 2 \, {\left (a^{3} b d^{2} - 4 \, a^{2} b^{2} d + 6 \, a b^{3}\right )} x^{2} + {\left (a^{4} d^{2} - 4 \, a^{3} b d + 6 \, a^{2} b^{2}\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^{2} b^{2} d x^{2} + a^{3} b d x\right )} \sinh \left (d x + c\right ) - 2 \, {\left ({\left ({\left (a b^{3} d - 3 \, b^{4}\right )} x^{3} + 2 \, {\left (a^{2} b^{2} d - 3 \, a b^{3}\right )} x^{2} + {\left (a^{3} b d - 3 \, a^{2} b^{2}\right )} x\right )} {\rm Ei}\left (d x\right ) + {\left ({\left (a b^{3} d + 3 \, b^{4}\right )} x^{3} + 2 \, {\left (a^{2} b^{2} d + 3 \, a b^{3}\right )} x^{2} + {\left (a^{3} b d + 3 \, a^{2} b^{2}\right )} x\right )} {\rm Ei}\left (-d x\right )\right )} \sinh \left (c\right ) + {\left ({\left ({\left (a^{2} b^{2} d^{2} + 4 \, a b^{3} d + 6 \, b^{4}\right )} x^{3} + 2 \, {\left (a^{3} b d^{2} + 4 \, a^{2} b^{2} d + 6 \, a b^{3}\right )} x^{2} + {\left (a^{4} d^{2} + 4 \, a^{3} b d + 6 \, a^{2} b^{2}\right )} x\right )} {\rm Ei}\left (\frac {b d x + a d}{b}\right ) - {\left ({\left (a^{2} b^{2} d^{2} - 4 \, a b^{3} d + 6 \, b^{4}\right )} x^{3} + 2 \, {\left (a^{3} b d^{2} - 4 \, a^{2} b^{2} d + 6 \, a b^{3}\right )} x^{2} + {\left (a^{4} d^{2} - 4 \, a^{3} b d + 6 \, a^{2} b^{2}\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 (a^{4} b^{3} x^{3} + 2 \, a^{5} b^{2} x^{2} + a^{6} b x\right )}} \]
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Timed out. \[ \int \frac {\cosh (c+d x)}{x^2 (a+b x)^3} \, dx=\text {Timed out} \]
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\[ \int \frac {\cosh (c+d x)}{x^2 (a+b x)^3} \, dx=\int { \frac {\cosh \left (d x + c\right )}{{\left (b x + a\right )}^{3} x^{2}} \,d x } \]
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Leaf count of result is larger than twice the leaf count of optimal. 1006 vs. \(2 (296) = 592\).
Time = 0.27 (sec) , antiderivative size = 1006, normalized size of antiderivative = 3.38 \[ \int \frac {\cosh (c+d x)}{x^2 (a+b x)^3} \, dx=\text {Too large to display} \]
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Timed out. \[ \int \frac {\cosh (c+d x)}{x^2 (a+b x)^3} \, dx=\int \frac {\mathrm {cosh}\left (c+d\,x\right )}{x^2\,{\left (a+b\,x\right )}^3} \,d x \]
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