Integrand size = 16, antiderivative size = 739 \[ \int \frac {\cosh (c+d x)}{\left (a+b x^3\right )^2} \, dx=\frac {\cosh (c+d x)}{3 a b x^2}-\frac {\cosh (c+d x)}{3 b x^2 \left (a+b x^3\right )}-\frac {2 \sqrt [3]{-1} \cosh \left (c+\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Chi}\left (\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}-d x\right )}{9 a^{5/3} \sqrt [3]{b}}+\frac {2 (-1)^{2/3} \cosh \left (c-\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Chi}\left (-\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}-d x\right )}{9 a^{5/3} \sqrt [3]{b}}+\frac {2 \cosh \left (c-\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Chi}\left (\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}+d x\right )}{9 a^{5/3} \sqrt [3]{b}}+\frac {d \text {Chi}\left (\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}+d x\right ) \sinh \left (c-\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}\right )}{9 a^{4/3} b^{2/3}}+\frac {(-1)^{2/3} d \text {Chi}\left (\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}-d x\right ) \sinh \left (c+\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}\right )}{9 a^{4/3} b^{2/3}}-\frac {\sqrt [3]{-1} d \text {Chi}\left (-\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}-d x\right ) \sinh \left (c-\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}\right )}{9 a^{4/3} b^{2/3}}-\frac {(-1)^{2/3} d \cosh \left (c+\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Shi}\left (\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}-d x\right )}{9 a^{4/3} b^{2/3}}+\frac {2 \sqrt [3]{-1} \sinh \left (c+\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Shi}\left (\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}-d x\right )}{9 a^{5/3} \sqrt [3]{b}}+\frac {d \cosh \left (c-\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Shi}\left (\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}+d x\right )}{9 a^{4/3} b^{2/3}}+\frac {2 \sinh \left (c-\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Shi}\left (\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}+d x\right )}{9 a^{5/3} \sqrt [3]{b}}-\frac {\sqrt [3]{-1} d \cosh \left (c-\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Shi}\left (\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}+d x\right )}{9 a^{4/3} b^{2/3}}+\frac {2 (-1)^{2/3} \sinh \left (c-\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Shi}\left (\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}+d x\right )}{9 a^{5/3} \sqrt [3]{b}} \]
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Time = 1.08 (sec) , antiderivative size = 739, normalized size of antiderivative = 1.00, number of steps used = 36, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {5387, 5401, 3378, 3384, 3379, 3382, 5389, 5400} \[ \int \frac {\cosh (c+d x)}{\left (a+b x^3\right )^2} \, dx=\frac {d \sinh \left (c-\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Chi}\left (x d+\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}\right )}{9 a^{4/3} b^{2/3}}+\frac {(-1)^{2/3} d \sinh \left (\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}+c\right ) \text {Chi}\left (\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}-d x\right )}{9 a^{4/3} b^{2/3}}-\frac {\sqrt [3]{-1} d \sinh \left (c-\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Chi}\left (-x d-\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}\right )}{9 a^{4/3} b^{2/3}}-\frac {(-1)^{2/3} d \cosh \left (\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}+c\right ) \text {Shi}\left (\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}-d x\right )}{9 a^{4/3} b^{2/3}}+\frac {d \cosh \left (c-\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Shi}\left (x d+\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}\right )}{9 a^{4/3} b^{2/3}}-\frac {\sqrt [3]{-1} d \cosh \left (c-\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Shi}\left (x d+\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}\right )}{9 a^{4/3} b^{2/3}}-\frac {2 \sqrt [3]{-1} \cosh \left (\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}+c\right ) \text {Chi}\left (\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}-d x\right )}{9 a^{5/3} \sqrt [3]{b}}+\frac {2 (-1)^{2/3} \cosh \left (c-\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Chi}\left (-x d-\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}\right )}{9 a^{5/3} \sqrt [3]{b}}+\frac {2 \cosh \left (c-\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Chi}\left (x d+\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}\right )}{9 a^{5/3} \sqrt [3]{b}}+\frac {2 \sqrt [3]{-1} \sinh \left (\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}+c\right ) \text {Shi}\left (\frac {\sqrt [3]{-1} \sqrt [3]{a} d}{\sqrt [3]{b}}-d x\right )}{9 a^{5/3} \sqrt [3]{b}}+\frac {2 \sinh \left (c-\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Shi}\left (x d+\frac {\sqrt [3]{a} d}{\sqrt [3]{b}}\right )}{9 a^{5/3} \sqrt [3]{b}}+\frac {2 (-1)^{2/3} \sinh \left (c-\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}\right ) \text {Shi}\left (x d+\frac {(-1)^{2/3} \sqrt [3]{a} d}{\sqrt [3]{b}}\right )}{9 a^{5/3} \sqrt [3]{b}}+\frac {\cosh (c+d x)}{3 a b x^2}-\frac {\cosh (c+d x)}{3 b x^2 \left (a+b x^3\right )} \]
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Rule 3378
Rule 3379
Rule 3382
Rule 3384
Rule 5387
Rule 5389
Rule 5400
Rule 5401
Rubi steps \begin{align*} \text {integral}& = -\frac {\cosh (c+d x)}{3 b x^2 \left (a+b x^3\right )}-\frac {2 \int \frac {\cosh (c+d x)}{x^3 \left (a+b x^3\right )} \, dx}{3 b}+\frac {d \int \frac {\sinh (c+d x)}{x^2 \left (a+b x^3\right )} \, dx}{3 b} \\ & = -\frac {\cosh (c+d x)}{3 b x^2 \left (a+b x^3\right )}-\frac {2 \int \left (\frac {\cosh (c+d x)}{a x^3}-\frac {b \cosh (c+d x)}{a \left (a+b x^3\right )}\right ) \, dx}{3 b}+\frac {d \int \left (\frac {\sinh (c+d x)}{a x^2}-\frac {b x \sinh (c+d x)}{a \left (a+b x^3\right )}\right ) \, dx}{3 b} \\ & = -\frac {\cosh (c+d x)}{3 b x^2 \left (a+b x^3\right )}+\frac {2 \int \frac {\cosh (c+d x)}{a+b x^3} \, dx}{3 a}-\frac {2 \int \frac {\cosh (c+d x)}{x^3} \, dx}{3 a b}-\frac {d \int \frac {x \sinh (c+d x)}{a+b x^3} \, dx}{3 a}+\frac {d \int \frac {\sinh (c+d x)}{x^2} \, dx}{3 a b} \\ & = \frac {\cosh (c+d x)}{3 a b x^2}-\frac {\cosh (c+d x)}{3 b x^2 \left (a+b x^3\right )}-\frac {d \sinh (c+d x)}{3 a b x}+\frac {2 \int \left (-\frac {\cosh (c+d x)}{3 a^{2/3} \left (-\sqrt [3]{a}-\sqrt [3]{b} x\right )}-\frac {\cosh (c+d x)}{3 a^{2/3} \left (-\sqrt [3]{a}+\sqrt [3]{-1} \sqrt [3]{b} x\right )}-\frac {\cosh (c+d x)}{3 a^{2/3} \left (-\sqrt [3]{a}-(-1)^{2/3} \sqrt [3]{b} x\right )}\right ) \, dx}{3 a}-\frac {d \int \left (-\frac {\sinh (c+d x)}{3 \sqrt [3]{a} \sqrt [3]{b} \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}-\frac {(-1)^{2/3} \sinh (c+d x)}{3 \sqrt [3]{a} \sqrt [3]{b} \left (\sqrt [3]{a}-\sqrt [3]{-1} \sqrt [3]{b} x\right )}+\frac {\sqrt [3]{-1} \sinh (c+d x)}{3 \sqrt [3]{a} \sqrt [3]{b} \left (\sqrt [3]{a}+(-1)^{2/3} \sqrt [3]{b} x\right )}\right ) \, dx}{3 a}-\frac {d \int \frac {\sinh (c+d x)}{x^2} \, dx}{3 a b}+\frac {d^2 \int \frac {\cosh (c+d x)}{x} \, dx}{3 a b} \\ & = \frac {\cosh (c+d x)}{3 a b x^2}-\frac {\cosh (c+d x)}{3 b x^2 \left (a+b x^3\right )}-\frac {2 \int \frac {\cosh (c+d x)}{-\sqrt [3]{a}-\sqrt [3]{b} x} \, dx}{9 a^{5/3}}-\frac {2 \int \frac {\cosh (c+d x)}{-\sqrt [3]{a}+\sqrt [3]{-1} \sqrt [3]{b} x} \, dx}{9 a^{5/3}}-\frac {2 \int \frac {\cosh (c+d x)}{-\sqrt [3]{a}-(-1)^{2/3} \sqrt [3]{b} x} \, dx}{9 a^{5/3}}+\frac {d \int \frac {\sinh (c+d x)}{\sqrt [3]{a}+\sqrt [3]{b} x} \, dx}{9 a^{4/3} \sqrt [3]{b}}-\frac {\left (\sqrt [3]{-1} d\right ) \int \frac {\sinh (c+d x)}{\sqrt [3]{a}+(-1)^{2/3} \sqrt [3]{b} x} \, dx}{9 a^{4/3} \sqrt [3]{b}}+\frac {\left ((-1)^{2/3} d\right ) \int \frac {\sinh (c+d x)}{\sqrt [3]{a}-\sqrt [3]{-1} \sqrt [3]{b} x} \, dx}{9 a^{4/3} \sqrt [3]{b}}-\frac {d^2 \int \frac {\cosh (c+d x)}{x} \, dx}{3 a b}+\frac {\left (d^2 \cosh (c)\right ) \int \frac {\cosh (d x)}{x} \, dx}{3 a b}+\frac {\left (d^2 \sinh (c)\right ) \int \frac {\sinh (d x)}{x} \, dx}{3 a b} \\ & = \text {Too large to display} \\ \end{align*}
Result contains higher order function than in optimal. Order 9 vs. order 4 in optimal.
Time = 0.15 (sec) , antiderivative size = 387, normalized size of antiderivative = 0.52 \[ \int \frac {\cosh (c+d x)}{\left (a+b x^3\right )^2} \, dx=\frac {6 b x \cosh (c+d x)+\left (a+b x^3\right ) \text {RootSum}\left [a+b \text {$\#$1}^3\&,\frac {2 \cosh (c+d \text {$\#$1}) \text {Chi}(d (x-\text {$\#$1}))-2 \text {Chi}(d (x-\text {$\#$1})) \sinh (c+d \text {$\#$1})-2 \cosh (c+d \text {$\#$1}) \text {Shi}(d (x-\text {$\#$1}))+2 \sinh (c+d \text {$\#$1}) \text {Shi}(d (x-\text {$\#$1}))+d \cosh (c+d \text {$\#$1}) \text {Chi}(d (x-\text {$\#$1})) \text {$\#$1}-d \text {Chi}(d (x-\text {$\#$1})) \sinh (c+d \text {$\#$1}) \text {$\#$1}-d \cosh (c+d \text {$\#$1}) \text {Shi}(d (x-\text {$\#$1})) \text {$\#$1}+d \sinh (c+d \text {$\#$1}) \text {Shi}(d (x-\text {$\#$1})) \text {$\#$1}}{\text {$\#$1}^2}\&\right ]-\left (a+b x^3\right ) \text {RootSum}\left [a+b \text {$\#$1}^3\&,\frac {-2 \cosh (c+d \text {$\#$1}) \text {Chi}(d (x-\text {$\#$1}))-2 \text {Chi}(d (x-\text {$\#$1})) \sinh (c+d \text {$\#$1})-2 \cosh (c+d \text {$\#$1}) \text {Shi}(d (x-\text {$\#$1}))-2 \sinh (c+d \text {$\#$1}) \text {Shi}(d (x-\text {$\#$1}))+d \cosh (c+d \text {$\#$1}) \text {Chi}(d (x-\text {$\#$1})) \text {$\#$1}+d \text {Chi}(d (x-\text {$\#$1})) \sinh (c+d \text {$\#$1}) \text {$\#$1}+d \cosh (c+d \text {$\#$1}) \text {Shi}(d (x-\text {$\#$1})) \text {$\#$1}+d \sinh (c+d \text {$\#$1}) \text {Shi}(d (x-\text {$\#$1})) \text {$\#$1}}{\text {$\#$1}^2}\&\right ]}{18 a b \left (a+b x^3\right )} \]
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.28 (sec) , antiderivative size = 226, normalized size of antiderivative = 0.31
method | result | size |
risch | \(\frac {d^{3} {\mathrm e}^{-d x -c} x}{6 a \left (b \,d^{3} x^{3}+d^{3} a \right )}-\frac {d^{2} \left (\munderset {\textit {\_R2} =\operatorname {RootOf}\left (b \,\textit {\_Z}^{3}-3 c b \,\textit {\_Z}^{2}+3 c^{2} b \textit {\_Z} +d^{3} a -b \,c^{3}\right )}{\sum }\frac {\left (\textit {\_R2} -c +2\right ) {\mathrm e}^{-\textit {\_R2}} \operatorname {Ei}_{1}\left (d x -\textit {\_R2} +c \right )}{\textit {\_R2}^{2}-2 \textit {\_R2} c +c^{2}}\right )}{18 a b}+\frac {d^{3} {\mathrm e}^{d x +c} x}{6 a \left (b \,d^{3} x^{3}+d^{3} a \right )}+\frac {d^{2} \left (\munderset {\textit {\_R2} =\operatorname {RootOf}\left (b \,\textit {\_Z}^{3}-3 c b \,\textit {\_Z}^{2}+3 c^{2} b \textit {\_Z} +d^{3} a -b \,c^{3}\right )}{\sum }\frac {\left (\textit {\_R2} -c -2\right ) {\mathrm e}^{\textit {\_R2}} \operatorname {Ei}_{1}\left (-d x +\textit {\_R2} -c \right )}{\textit {\_R2}^{2}-2 \textit {\_R2} c +c^{2}}\right )}{18 a b}\) | \(226\) |
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Leaf count of result is larger than twice the leaf count of optimal. 2048 vs. \(2 (519) = 1038\).
Time = 0.29 (sec) , antiderivative size = 2048, normalized size of antiderivative = 2.77 \[ \int \frac {\cosh (c+d x)}{\left (a+b x^3\right )^2} \, dx=\text {Too large to display} \]
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Timed out. \[ \int \frac {\cosh (c+d x)}{\left (a+b x^3\right )^2} \, dx=\text {Timed out} \]
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\[ \int \frac {\cosh (c+d x)}{\left (a+b x^3\right )^2} \, dx=\int { \frac {\cosh \left (d x + c\right )}{{\left (b x^{3} + a\right )}^{2}} \,d x } \]
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\[ \int \frac {\cosh (c+d x)}{\left (a+b x^3\right )^2} \, dx=\int { \frac {\cosh \left (d x + c\right )}{{\left (b x^{3} + a\right )}^{2}} \,d x } \]
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Timed out. \[ \int \frac {\cosh (c+d x)}{\left (a+b x^3\right )^2} \, dx=\int \frac {\mathrm {cosh}\left (c+d\,x\right )}{{\left (b\,x^3+a\right )}^2} \,d x \]
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