Integrand size = 14, antiderivative size = 49 \[ \int (c+d x)^2 \cosh (a+b x) \, dx=-\frac {2 d (c+d x) \cosh (a+b x)}{b^2}+\frac {2 d^2 \sinh (a+b x)}{b^3}+\frac {(c+d x)^2 \sinh (a+b x)}{b} \]
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Time = 0.04 (sec) , antiderivative size = 49, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {3377, 2717} \[ \int (c+d x)^2 \cosh (a+b x) \, dx=\frac {2 d^2 \sinh (a+b x)}{b^3}-\frac {2 d (c+d x) \cosh (a+b x)}{b^2}+\frac {(c+d x)^2 \sinh (a+b x)}{b} \]
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Rule 2717
Rule 3377
Rubi steps \begin{align*} \text {integral}& = \frac {(c+d x)^2 \sinh (a+b x)}{b}-\frac {(2 d) \int (c+d x) \sinh (a+b x) \, dx}{b} \\ & = -\frac {2 d (c+d x) \cosh (a+b x)}{b^2}+\frac {(c+d x)^2 \sinh (a+b x)}{b}+\frac {\left (2 d^2\right ) \int \cosh (a+b x) \, dx}{b^2} \\ & = -\frac {2 d (c+d x) \cosh (a+b x)}{b^2}+\frac {2 d^2 \sinh (a+b x)}{b^3}+\frac {(c+d x)^2 \sinh (a+b x)}{b} \\ \end{align*}
Time = 0.10 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.90 \[ \int (c+d x)^2 \cosh (a+b x) \, dx=\frac {-2 b d (c+d x) \cosh (a+b x)+\left (2 d^2+b^2 (c+d x)^2\right ) \sinh (a+b x)}{b^3} \]
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Time = 0.18 (sec) , antiderivative size = 77, normalized size of antiderivative = 1.57
method | result | size |
parallelrisch | \(\frac {2 x \tanh \left (\frac {b x}{2}+\frac {a}{2}\right )^{2} b \,d^{2}+2 \left (-\left (d x +c \right )^{2} b^{2}-2 d^{2}\right ) \tanh \left (\frac {b x}{2}+\frac {a}{2}\right )+4 d \left (\frac {d x}{2}+c \right ) b}{b^{3} \left (\tanh \left (\frac {b x}{2}+\frac {a}{2}\right )^{2}-1\right )}\) | \(77\) |
parts | \(\frac {\sinh \left (b x +a \right ) x^{2} d^{2}}{b}+\frac {2 \sinh \left (b x +a \right ) c d x}{b}+\frac {\sinh \left (b x +a \right ) c^{2}}{b}-\frac {2 d \left (\frac {d \left (\left (b x +a \right ) \cosh \left (b x +a \right )-\sinh \left (b x +a \right )\right )}{b}-\frac {d a \cosh \left (b x +a \right )}{b}+c \cosh \left (b x +a \right )\right )}{b^{2}}\) | \(99\) |
risch | \(\frac {\left (x^{2} d^{2} b^{2}+2 b^{2} c d x +b^{2} c^{2}-2 b \,d^{2} x -2 b c d +2 d^{2}\right ) {\mathrm e}^{b x +a}}{2 b^{3}}-\frac {\left (x^{2} d^{2} b^{2}+2 b^{2} c d x +b^{2} c^{2}+2 b \,d^{2} x +2 b c d +2 d^{2}\right ) {\mathrm e}^{-b x -a}}{2 b^{3}}\) | \(113\) |
derivativedivides | \(\frac {\frac {d^{2} \left (\left (b x +a \right )^{2} \sinh \left (b x +a \right )-2 \left (b x +a \right ) \cosh \left (b x +a \right )+2 \sinh \left (b x +a \right )\right )}{b^{2}}-\frac {2 d^{2} a \left (\left (b x +a \right ) \sinh \left (b x +a \right )-\cosh \left (b x +a \right )\right )}{b^{2}}+\frac {2 d c \left (\left (b x +a \right ) \sinh \left (b x +a \right )-\cosh \left (b x +a \right )\right )}{b}+\frac {d^{2} a^{2} \sinh \left (b x +a \right )}{b^{2}}-\frac {2 d a c \sinh \left (b x +a \right )}{b}+c^{2} \sinh \left (b x +a \right )}{b}\) | \(147\) |
default | \(\frac {\frac {d^{2} \left (\left (b x +a \right )^{2} \sinh \left (b x +a \right )-2 \left (b x +a \right ) \cosh \left (b x +a \right )+2 \sinh \left (b x +a \right )\right )}{b^{2}}-\frac {2 d^{2} a \left (\left (b x +a \right ) \sinh \left (b x +a \right )-\cosh \left (b x +a \right )\right )}{b^{2}}+\frac {2 d c \left (\left (b x +a \right ) \sinh \left (b x +a \right )-\cosh \left (b x +a \right )\right )}{b}+\frac {d^{2} a^{2} \sinh \left (b x +a \right )}{b^{2}}-\frac {2 d a c \sinh \left (b x +a \right )}{b}+c^{2} \sinh \left (b x +a \right )}{b}\) | \(147\) |
meijerg | \(\frac {4 i d^{2} \cosh \left (a \right ) \sqrt {\pi }\, \left (\frac {i x b \cosh \left (b x \right )}{2 \sqrt {\pi }}-\frac {i \left (\frac {3 x^{2} b^{2}}{2}+3\right ) \sinh \left (b x \right )}{6 \sqrt {\pi }}\right )}{b^{3}}+\frac {4 d^{2} \sinh \left (a \right ) \sqrt {\pi }\, \left (-\frac {1}{2 \sqrt {\pi }}+\frac {\left (\frac {x^{2} b^{2}}{2}+1\right ) \cosh \left (b x \right )}{2 \sqrt {\pi }}-\frac {x b \sinh \left (b x \right )}{2 \sqrt {\pi }}\right )}{b^{3}}-\frac {4 d c \cosh \left (a \right ) \sqrt {\pi }\, \left (-\frac {1}{2 \sqrt {\pi }}+\frac {\cosh \left (b x \right )}{2 \sqrt {\pi }}-\frac {x b \sinh \left (b x \right )}{2 \sqrt {\pi }}\right )}{b^{2}}+\frac {2 d c \sinh \left (a \right ) \left (\cosh \left (b x \right ) x b -\sinh \left (b x \right )\right )}{b^{2}}+\frac {c^{2} \cosh \left (a \right ) \sinh \left (b x \right )}{b}-\frac {c^{2} \sinh \left (a \right ) \sqrt {\pi }\, \left (\frac {1}{\sqrt {\pi }}-\frac {\cosh \left (b x \right )}{\sqrt {\pi }}\right )}{b}\) | \(198\) |
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Time = 0.25 (sec) , antiderivative size = 64, normalized size of antiderivative = 1.31 \[ \int (c+d x)^2 \cosh (a+b x) \, dx=-\frac {2 \, {\left (b d^{2} x + b c d\right )} \cosh \left (b x + a\right ) - {\left (b^{2} d^{2} x^{2} + 2 \, b^{2} c d x + b^{2} c^{2} + 2 \, d^{2}\right )} \sinh \left (b x + a\right )}{b^{3}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 112 vs. \(2 (48) = 96\).
Time = 0.21 (sec) , antiderivative size = 112, normalized size of antiderivative = 2.29 \[ \int (c+d x)^2 \cosh (a+b x) \, dx=\begin {cases} \frac {c^{2} \sinh {\left (a + b x \right )}}{b} + \frac {2 c d x \sinh {\left (a + b x \right )}}{b} + \frac {d^{2} x^{2} \sinh {\left (a + b x \right )}}{b} - \frac {2 c d \cosh {\left (a + b x \right )}}{b^{2}} - \frac {2 d^{2} x \cosh {\left (a + b x \right )}}{b^{2}} + \frac {2 d^{2} \sinh {\left (a + b x \right )}}{b^{3}} & \text {for}\: b \neq 0 \\\left (c^{2} x + c d x^{2} + \frac {d^{2} x^{3}}{3}\right ) \cosh {\left (a \right )} & \text {otherwise} \end {cases} \]
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Leaf count of result is larger than twice the leaf count of optimal. 135 vs. \(2 (49) = 98\).
Time = 0.19 (sec) , antiderivative size = 135, normalized size of antiderivative = 2.76 \[ \int (c+d x)^2 \cosh (a+b x) \, dx=\frac {c^{2} e^{\left (b x + a\right )}}{2 \, b} + \frac {{\left (b x e^{a} - e^{a}\right )} c d e^{\left (b x\right )}}{b^{2}} - \frac {c^{2} e^{\left (-b x - a\right )}}{2 \, b} - \frac {{\left (b x + 1\right )} c d e^{\left (-b x - a\right )}}{b^{2}} + \frac {{\left (b^{2} x^{2} e^{a} - 2 \, b x e^{a} + 2 \, e^{a}\right )} d^{2} e^{\left (b x\right )}}{2 \, b^{3}} - \frac {{\left (b^{2} x^{2} + 2 \, b x + 2\right )} d^{2} e^{\left (-b x - a\right )}}{2 \, b^{3}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 112 vs. \(2 (49) = 98\).
Time = 0.25 (sec) , antiderivative size = 112, normalized size of antiderivative = 2.29 \[ \int (c+d x)^2 \cosh (a+b x) \, dx=\frac {{\left (b^{2} d^{2} x^{2} + 2 \, b^{2} c d x + b^{2} c^{2} - 2 \, b d^{2} x - 2 \, b c d + 2 \, d^{2}\right )} e^{\left (b x + a\right )}}{2 \, b^{3}} - \frac {{\left (b^{2} d^{2} x^{2} + 2 \, b^{2} c d x + b^{2} c^{2} + 2 \, b d^{2} x + 2 \, b c d + 2 \, d^{2}\right )} e^{\left (-b x - a\right )}}{2 \, b^{3}} \]
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Time = 1.77 (sec) , antiderivative size = 82, normalized size of antiderivative = 1.67 \[ \int (c+d x)^2 \cosh (a+b x) \, dx=\frac {\mathrm {sinh}\left (a+b\,x\right )\,\left (b^2\,c^2+2\,d^2\right )}{b^3}+\frac {d^2\,x^2\,\mathrm {sinh}\left (a+b\,x\right )}{b}-\frac {2\,c\,d\,\mathrm {cosh}\left (a+b\,x\right )}{b^2}-\frac {2\,d^2\,x\,\mathrm {cosh}\left (a+b\,x\right )}{b^2}+\frac {2\,c\,d\,x\,\mathrm {sinh}\left (a+b\,x\right )}{b} \]
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