Integrand size = 23, antiderivative size = 183 \[ \int f^{a+c x^2} \sinh ^2\left (d+e x+f x^2\right ) \, dx=-\frac {f^a \sqrt {\pi } \text {erfi}\left (\sqrt {c} x \sqrt {\log (f)}\right )}{4 \sqrt {c} \sqrt {\log (f)}}+\frac {e^{-2 d+\frac {e^2}{2 f-c \log (f)}} f^a \sqrt {\pi } \text {erf}\left (\frac {e+x (2 f-c \log (f))}{\sqrt {2 f-c \log (f)}}\right )}{8 \sqrt {2 f-c \log (f)}}+\frac {e^{2 d-\frac {e^2}{2 f+c \log (f)}} f^a \sqrt {\pi } \text {erfi}\left (\frac {e+x (2 f+c \log (f))}{\sqrt {2 f+c \log (f)}}\right )}{8 \sqrt {2 f+c \log (f)}} \]
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Time = 0.26 (sec) , antiderivative size = 183, normalized size of antiderivative = 1.00, number of steps used = 9, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.217, Rules used = {5623, 2235, 2325, 2266, 2236} \[ \int f^{a+c x^2} \sinh ^2\left (d+e x+f x^2\right ) \, dx=\frac {\sqrt {\pi } f^a e^{\frac {e^2}{2 f-c \log (f)}-2 d} \text {erf}\left (\frac {x (2 f-c \log (f))+e}{\sqrt {2 f-c \log (f)}}\right )}{8 \sqrt {2 f-c \log (f)}}+\frac {\sqrt {\pi } f^a e^{2 d-\frac {e^2}{c \log (f)+2 f}} \text {erfi}\left (\frac {x (c \log (f)+2 f)+e}{\sqrt {c \log (f)+2 f}}\right )}{8 \sqrt {c \log (f)+2 f}}-\frac {\sqrt {\pi } f^a \text {erfi}\left (\sqrt {c} x \sqrt {\log (f)}\right )}{4 \sqrt {c} \sqrt {\log (f)}} \]
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Rule 2235
Rule 2236
Rule 2266
Rule 2325
Rule 5623
Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {1}{2} f^{a+c x^2}+\frac {1}{4} e^{-2 d-2 e x-2 f x^2} f^{a+c x^2}+\frac {1}{4} e^{2 d+2 e x+2 f x^2} f^{a+c x^2}\right ) \, dx \\ & = \frac {1}{4} \int e^{-2 d-2 e x-2 f x^2} f^{a+c x^2} \, dx+\frac {1}{4} \int e^{2 d+2 e x+2 f x^2} f^{a+c x^2} \, dx-\frac {1}{2} \int f^{a+c x^2} \, dx \\ & = -\frac {f^a \sqrt {\pi } \text {erfi}\left (\sqrt {c} x \sqrt {\log (f)}\right )}{4 \sqrt {c} \sqrt {\log (f)}}+\frac {1}{4} \int \exp \left (-2 d-2 e x+a \log (f)-x^2 (2 f-c \log (f))\right ) \, dx+\frac {1}{4} \int \exp \left (2 d+2 e x+a \log (f)+x^2 (2 f+c \log (f))\right ) \, dx \\ & = -\frac {f^a \sqrt {\pi } \text {erfi}\left (\sqrt {c} x \sqrt {\log (f)}\right )}{4 \sqrt {c} \sqrt {\log (f)}}+\frac {1}{4} \left (e^{-2 d+\frac {e^2}{2 f-c \log (f)}} f^a\right ) \int \exp \left (\frac {(-2 e+2 x (-2 f+c \log (f)))^2}{4 (-2 f+c \log (f))}\right ) \, dx+\frac {1}{4} \left (e^{2 d-\frac {e^2}{2 f+c \log (f)}} f^a\right ) \int \exp \left (\frac {(2 e+2 x (2 f+c \log (f)))^2}{4 (2 f+c \log (f))}\right ) \, dx \\ & = -\frac {f^a \sqrt {\pi } \text {erfi}\left (\sqrt {c} x \sqrt {\log (f)}\right )}{4 \sqrt {c} \sqrt {\log (f)}}+\frac {e^{-2 d+\frac {e^2}{2 f-c \log (f)}} f^a \sqrt {\pi } \text {erf}\left (\frac {e+x (2 f-c \log (f))}{\sqrt {2 f-c \log (f)}}\right )}{8 \sqrt {2 f-c \log (f)}}+\frac {e^{2 d-\frac {e^2}{2 f+c \log (f)}} f^a \sqrt {\pi } \text {erfi}\left (\frac {e+x (2 f+c \log (f))}{\sqrt {2 f+c \log (f)}}\right )}{8 \sqrt {2 f+c \log (f)}} \\ \end{align*}
Time = 1.03 (sec) , antiderivative size = 258, normalized size of antiderivative = 1.41 \[ \int f^{a+c x^2} \sinh ^2\left (d+e x+f x^2\right ) \, dx=\frac {e^{\frac {e^2}{2 f-c \log (f)}} f^a \sqrt {\pi } \left (2 e^{\frac {e^2}{-2 f+c \log (f)}} \text {erfi}\left (\sqrt {c} x \sqrt {\log (f)}\right ) \left (4 f^2-c^2 \log ^2(f)\right )-\sqrt {c} \sqrt {\log (f)} \left (\text {erf}\left (\frac {e+2 f x-c x \log (f)}{\sqrt {2 f-c \log (f)}}\right ) \sqrt {2 f-c \log (f)} (2 f+c \log (f)) (\cosh (2 d)-\sinh (2 d))+e^{\frac {4 e^2 f}{-4 f^2+c^2 \log ^2(f)}} \text {erfi}\left (\frac {e+2 f x+c x \log (f)}{\sqrt {2 f+c \log (f)}}\right ) (2 f-c \log (f)) \sqrt {2 f+c \log (f)} (\cosh (2 d)+\sinh (2 d))\right )\right )}{8 \sqrt {c} \sqrt {\log (f)} \left (-4 f^2+c^2 \log ^2(f)\right )} \]
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Time = 0.40 (sec) , antiderivative size = 177, normalized size of antiderivative = 0.97
method | result | size |
risch | \(\frac {\operatorname {erf}\left (x \sqrt {2 f -c \ln \left (f \right )}+\frac {e}{\sqrt {2 f -c \ln \left (f \right )}}\right ) \sqrt {\pi }\, f^{a} {\mathrm e}^{-\frac {2 d \ln \left (f \right ) c -4 d f +e^{2}}{c \ln \left (f \right )-2 f}}}{8 \sqrt {2 f -c \ln \left (f \right )}}-\frac {\operatorname {erf}\left (-\sqrt {-c \ln \left (f \right )-2 f}\, x +\frac {e}{\sqrt {-c \ln \left (f \right )-2 f}}\right ) \sqrt {\pi }\, f^{a} {\mathrm e}^{\frac {2 d \ln \left (f \right ) c +4 d f -e^{2}}{2 f +c \ln \left (f \right )}}}{8 \sqrt {-c \ln \left (f \right )-2 f}}-\frac {f^{a} \sqrt {\pi }\, \operatorname {erf}\left (\sqrt {-c \ln \left (f \right )}\, x \right )}{4 \sqrt {-c \ln \left (f \right )}}\) | \(177\) |
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Leaf count of result is larger than twice the leaf count of optimal. 422 vs. \(2 (155) = 310\).
Time = 0.28 (sec) , antiderivative size = 422, normalized size of antiderivative = 2.31 \[ \int f^{a+c x^2} \sinh ^2\left (d+e x+f x^2\right ) \, dx=\frac {2 \, {\left (\sqrt {\pi } {\left (c^{2} \log \left (f\right )^{2} - 4 \, f^{2}\right )} \cosh \left (a \log \left (f\right )\right ) + \sqrt {\pi } {\left (c^{2} \log \left (f\right )^{2} - 4 \, f^{2}\right )} \sinh \left (a \log \left (f\right )\right )\right )} \sqrt {-c \log \left (f\right )} \operatorname {erf}\left (\sqrt {-c \log \left (f\right )} x\right ) - {\left (\sqrt {\pi } {\left (c^{2} \log \left (f\right )^{2} + 2 \, c f \log \left (f\right )\right )} \cosh \left (\frac {a c \log \left (f\right )^{2} - e^{2} + 4 \, d f - 2 \, {\left (c d + a f\right )} \log \left (f\right )}{c \log \left (f\right ) - 2 \, f}\right ) + \sqrt {\pi } {\left (c^{2} \log \left (f\right )^{2} + 2 \, c f \log \left (f\right )\right )} \sinh \left (\frac {a c \log \left (f\right )^{2} - e^{2} + 4 \, d f - 2 \, {\left (c d + a f\right )} \log \left (f\right )}{c \log \left (f\right ) - 2 \, f}\right )\right )} \sqrt {-c \log \left (f\right ) + 2 \, f} \operatorname {erf}\left (\frac {{\left (c x \log \left (f\right ) - 2 \, f x - e\right )} \sqrt {-c \log \left (f\right ) + 2 \, f}}{c \log \left (f\right ) - 2 \, f}\right ) - {\left (\sqrt {\pi } {\left (c^{2} \log \left (f\right )^{2} - 2 \, c f \log \left (f\right )\right )} \cosh \left (\frac {a c \log \left (f\right )^{2} - e^{2} + 4 \, d f + 2 \, {\left (c d + a f\right )} \log \left (f\right )}{c \log \left (f\right ) + 2 \, f}\right ) + \sqrt {\pi } {\left (c^{2} \log \left (f\right )^{2} - 2 \, c f \log \left (f\right )\right )} \sinh \left (\frac {a c \log \left (f\right )^{2} - e^{2} + 4 \, d f + 2 \, {\left (c d + a f\right )} \log \left (f\right )}{c \log \left (f\right ) + 2 \, f}\right )\right )} \sqrt {-c \log \left (f\right ) - 2 \, f} \operatorname {erf}\left (\frac {{\left (c x \log \left (f\right ) + 2 \, f x + e\right )} \sqrt {-c \log \left (f\right ) - 2 \, f}}{c \log \left (f\right ) + 2 \, f}\right )}{8 \, {\left (c^{3} \log \left (f\right )^{3} - 4 \, c f^{2} \log \left (f\right )\right )}} \]
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\[ \int f^{a+c x^2} \sinh ^2\left (d+e x+f x^2\right ) \, dx=\int f^{a + c x^{2}} \sinh ^{2}{\left (d + e x + f x^{2} \right )}\, dx \]
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Time = 0.20 (sec) , antiderivative size = 161, normalized size of antiderivative = 0.88 \[ \int f^{a+c x^2} \sinh ^2\left (d+e x+f x^2\right ) \, dx=\frac {\sqrt {\pi } f^{a} \operatorname {erf}\left (\sqrt {-c \log \left (f\right ) - 2 \, f} x - \frac {e}{\sqrt {-c \log \left (f\right ) - 2 \, f}}\right ) e^{\left (2 \, d - \frac {e^{2}}{c \log \left (f\right ) + 2 \, f}\right )}}{8 \, \sqrt {-c \log \left (f\right ) - 2 \, f}} + \frac {\sqrt {\pi } f^{a} \operatorname {erf}\left (\sqrt {-c \log \left (f\right ) + 2 \, f} x + \frac {e}{\sqrt {-c \log \left (f\right ) + 2 \, f}}\right ) e^{\left (-2 \, d - \frac {e^{2}}{c \log \left (f\right ) - 2 \, f}\right )}}{8 \, \sqrt {-c \log \left (f\right ) + 2 \, f}} - \frac {\sqrt {\pi } f^{a} \operatorname {erf}\left (\sqrt {-c \log \left (f\right )} x\right )}{4 \, \sqrt {-c \log \left (f\right )}} \]
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Time = 0.28 (sec) , antiderivative size = 198, normalized size of antiderivative = 1.08 \[ \int f^{a+c x^2} \sinh ^2\left (d+e x+f x^2\right ) \, dx=\frac {\sqrt {\pi } f^{a} \operatorname {erf}\left (-\sqrt {-c \log \left (f\right )} x\right )}{4 \, \sqrt {-c \log \left (f\right )}} - \frac {\sqrt {\pi } \operatorname {erf}\left (-\sqrt {-c \log \left (f\right ) - 2 \, f} {\left (x + \frac {e}{c \log \left (f\right ) + 2 \, f}\right )}\right ) e^{\left (\frac {a c \log \left (f\right )^{2} + 2 \, c d \log \left (f\right ) + 2 \, a f \log \left (f\right ) - e^{2} + 4 \, d f}{c \log \left (f\right ) + 2 \, f}\right )}}{8 \, \sqrt {-c \log \left (f\right ) - 2 \, f}} - \frac {\sqrt {\pi } \operatorname {erf}\left (-\sqrt {-c \log \left (f\right ) + 2 \, f} {\left (x - \frac {e}{c \log \left (f\right ) - 2 \, f}\right )}\right ) e^{\left (\frac {a c \log \left (f\right )^{2} - 2 \, c d \log \left (f\right ) - 2 \, a f \log \left (f\right ) - e^{2} + 4 \, d f}{c \log \left (f\right ) - 2 \, f}\right )}}{8 \, \sqrt {-c \log \left (f\right ) + 2 \, f}} \]
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Timed out. \[ \int f^{a+c x^2} \sinh ^2\left (d+e x+f x^2\right ) \, dx=\int f^{c\,x^2+a}\,{\mathrm {sinh}\left (f\,x^2+e\,x+d\right )}^2 \,d x \]
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