Integrand size = 16, antiderivative size = 139 \[ \int e^{a+b x} \cosh ^3(c+d x) \, dx=-\frac {6 b d^2 e^{a+b x} \cosh (c+d x)}{b^4-10 b^2 d^2+9 d^4}+\frac {b e^{a+b x} \cosh ^3(c+d x)}{b^2-9 d^2}+\frac {6 d^3 e^{a+b x} \sinh (c+d x)}{b^4-10 b^2 d^2+9 d^4}-\frac {3 d e^{a+b x} \cosh ^2(c+d x) \sinh (c+d x)}{b^2-9 d^2} \]
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Time = 0.04 (sec) , antiderivative size = 139, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {5585, 5583} \[ \int e^{a+b x} \cosh ^3(c+d x) \, dx=\frac {b e^{a+b x} \cosh ^3(c+d x)}{b^2-9 d^2}-\frac {3 d e^{a+b x} \sinh (c+d x) \cosh ^2(c+d x)}{b^2-9 d^2}-\frac {6 b d^2 e^{a+b x} \cosh (c+d x)}{b^4-10 b^2 d^2+9 d^4}+\frac {6 d^3 e^{a+b x} \sinh (c+d x)}{b^4-10 b^2 d^2+9 d^4} \]
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Rule 5583
Rule 5585
Rubi steps \begin{align*} \text {integral}& = \frac {b e^{a+b x} \cosh ^3(c+d x)}{b^2-9 d^2}-\frac {3 d e^{a+b x} \cosh ^2(c+d x) \sinh (c+d x)}{b^2-9 d^2}-\frac {\left (6 d^2\right ) \int e^{a+b x} \cosh (c+d x) \, dx}{b^2-9 d^2} \\ & = -\frac {6 b d^2 e^{a+b x} \cosh (c+d x)}{b^4-10 b^2 d^2+9 d^4}+\frac {b e^{a+b x} \cosh ^3(c+d x)}{b^2-9 d^2}+\frac {6 d^3 e^{a+b x} \sinh (c+d x)}{b^4-10 b^2 d^2+9 d^4}-\frac {3 d e^{a+b x} \cosh ^2(c+d x) \sinh (c+d x)}{b^2-9 d^2} \\ \end{align*}
Time = 0.37 (sec) , antiderivative size = 106, normalized size of antiderivative = 0.76 \[ \int e^{a+b x} \cosh ^3(c+d x) \, dx=\frac {e^{a+b x} \left (3 b \left (b^2-9 d^2\right ) \cosh (c+d x)+\left (b^3-b d^2\right ) \cosh (3 (c+d x))+6 d \left (-b^2+5 d^2+\left (-b^2+d^2\right ) \cosh (2 (c+d x))\right ) \sinh (c+d x)\right )}{4 \left (b^4-10 b^2 d^2+9 d^4\right )} \]
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Time = 0.58 (sec) , antiderivative size = 85, normalized size of antiderivative = 0.61
method | result | size |
risch | \(\frac {{\mathrm e}^{b x +3 d x +a +3 c}}{8 b +24 d}+\frac {3 \,{\mathrm e}^{b x +d x +a +c}}{8 \left (b +d \right )}+\frac {3 \,{\mathrm e}^{b x -d x +a -c}}{8 \left (b -d \right )}+\frac {{\mathrm e}^{b x -3 d x +a -3 c}}{8 b -24 d}\) | \(85\) |
parallelrisch | \(-\frac {3 \,{\mathrm e}^{b x +a} \left (\left (-\frac {1}{3} b^{3}+\frac {1}{3} b \,d^{2}\right ) \cosh \left (3 d x +3 c \right )+\left (b^{2} d -d^{3}\right ) \sinh \left (3 d x +3 c \right )-\left (b -3 d \right ) \left (b +3 d \right ) \left (b \cosh \left (d x +c \right )-d \sinh \left (d x +c \right )\right )\right )}{4 b^{4}-40 b^{2} d^{2}+36 d^{4}}\) | \(104\) |
default | \(\frac {\sinh \left (a -3 c +\left (b -3 d \right ) x \right )}{8 b -24 d}+\frac {3 \sinh \left (a -c +\left (b -d \right ) x \right )}{8 \left (b -d \right )}+\frac {3 \sinh \left (a +c +\left (b +d \right ) x \right )}{8 \left (b +d \right )}+\frac {\sinh \left (a +3 c +\left (b +3 d \right ) x \right )}{8 b +24 d}+\frac {\cosh \left (a -3 c +\left (b -3 d \right ) x \right )}{8 b -24 d}+\frac {3 \cosh \left (a -c +\left (b -d \right ) x \right )}{8 \left (b -d \right )}+\frac {3 \cosh \left (a +c +\left (b +d \right ) x \right )}{8 \left (b +d \right )}+\frac {\cosh \left (a +3 c +\left (b +3 d \right ) x \right )}{8 b +24 d}\) | \(166\) |
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Leaf count of result is larger than twice the leaf count of optimal. 313 vs. \(2 (135) = 270\).
Time = 0.27 (sec) , antiderivative size = 313, normalized size of antiderivative = 2.25 \[ \int e^{a+b x} \cosh ^3(c+d x) \, dx=\frac {{\left (b^{3} - b d^{2}\right )} \cosh \left (b x + a\right ) \cosh \left (d x + c\right )^{3} - 3 \, {\left ({\left (b^{2} d - d^{3}\right )} \cosh \left (b x + a\right ) + {\left (b^{2} d - d^{3}\right )} \sinh \left (b x + a\right )\right )} \sinh \left (d x + c\right )^{3} + 3 \, {\left (b^{3} - 9 \, b d^{2}\right )} \cosh \left (b x + a\right ) \cosh \left (d x + c\right ) + 3 \, {\left ({\left (b^{3} - b d^{2}\right )} \cosh \left (b x + a\right ) \cosh \left (d x + c\right ) + {\left (b^{3} - b d^{2}\right )} \cosh \left (d x + c\right ) \sinh \left (b x + a\right )\right )} \sinh \left (d x + c\right )^{2} + {\left ({\left (b^{3} - b d^{2}\right )} \cosh \left (d x + c\right )^{3} + 3 \, {\left (b^{3} - 9 \, b d^{2}\right )} \cosh \left (d x + c\right )\right )} \sinh \left (b x + a\right ) - 3 \, {\left (3 \, {\left (b^{2} d - d^{3}\right )} \cosh \left (b x + a\right ) \cosh \left (d x + c\right )^{2} + {\left (b^{2} d - 9 \, d^{3}\right )} \cosh \left (b x + a\right ) + {\left (b^{2} d - 9 \, d^{3} + 3 \, {\left (b^{2} d - d^{3}\right )} \cosh \left (d x + c\right )^{2}\right )} \sinh \left (b x + a\right )\right )} \sinh \left (d x + c\right )}{4 \, {\left (b^{4} - 10 \, b^{2} d^{2} + 9 \, d^{4}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 1085 vs. \(2 (131) = 262\).
Time = 2.29 (sec) , antiderivative size = 1085, normalized size of antiderivative = 7.81 \[ \int e^{a+b x} \cosh ^3(c+d x) \, dx=\text {Too large to display} \]
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Exception generated. \[ \int e^{a+b x} \cosh ^3(c+d x) \, dx=\text {Exception raised: ValueError} \]
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none
Time = 0.27 (sec) , antiderivative size = 84, normalized size of antiderivative = 0.60 \[ \int e^{a+b x} \cosh ^3(c+d x) \, dx=\frac {e^{\left (b x + 3 \, d x + a + 3 \, c\right )}}{8 \, {\left (b + 3 \, d\right )}} + \frac {3 \, e^{\left (b x + d x + a + c\right )}}{8 \, {\left (b + d\right )}} + \frac {3 \, e^{\left (b x - d x + a - c\right )}}{8 \, {\left (b - d\right )}} + \frac {e^{\left (b x - 3 \, d x + a - 3 \, c\right )}}{8 \, {\left (b - 3 \, d\right )}} \]
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Time = 2.91 (sec) , antiderivative size = 125, normalized size of antiderivative = 0.90 \[ \int e^{a+b x} \cosh ^3(c+d x) \, dx=\frac {{\mathrm {e}}^{a+b\,x}\,\left (b^3\,{\mathrm {cosh}\left (c+d\,x\right )}^3-3\,b^2\,d\,{\mathrm {cosh}\left (c+d\,x\right )}^2\,\mathrm {sinh}\left (c+d\,x\right )-7\,b\,d^2\,{\mathrm {cosh}\left (c+d\,x\right )}^3+6\,b\,d^2\,\mathrm {cosh}\left (c+d\,x\right )\,{\mathrm {sinh}\left (c+d\,x\right )}^2+9\,d^3\,{\mathrm {cosh}\left (c+d\,x\right )}^2\,\mathrm {sinh}\left (c+d\,x\right )-6\,d^3\,{\mathrm {sinh}\left (c+d\,x\right )}^3\right )}{b^4-10\,b^2\,d^2+9\,d^4} \]
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