Optimal. Leaf size=239 \[ \frac {f^{a-\frac {b^2}{4 c}} \sqrt {\pi } \text {Erfi}\left (\frac {(b+2 c x) \sqrt {\log (f)}}{2 \sqrt {c}}\right )}{4 \sqrt {c} \sqrt {\log (f)}}+\frac {e^{-2 d+\frac {(2 e-b \log (f))^2}{8 f-4 c \log (f)}} f^a \sqrt {\pi } \text {Erf}\left (\frac {2 e-b \log (f)+2 x (2 f-c \log (f))}{2 \sqrt {2 f-c \log (f)}}\right )}{8 \sqrt {2 f-c \log (f)}}+\frac {e^{2 d-\frac {(2 e+b \log (f))^2}{8 f+4 c \log (f)}} f^a \sqrt {\pi } \text {Erfi}\left (\frac {2 e+b \log (f)+2 x (2 f+c \log (f))}{2 \sqrt {2 f+c \log (f)}}\right )}{8 \sqrt {2 f+c \log (f)}} \]
[Out]
________________________________________________________________________________________
Rubi [A]
time = 0.41, antiderivative size = 239, normalized size of antiderivative = 1.00, number of steps
used = 10, number of rules used = 5, integrand size = 26, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.192, Rules used = {5624, 2266,
2235, 2325, 2236} \begin {gather*} \frac {\sqrt {\pi } f^{a-\frac {b^2}{4 c}} \text {Erfi}\left (\frac {\sqrt {\log (f)} (b+2 c x)}{2 \sqrt {c}}\right )}{4 \sqrt {c} \sqrt {\log (f)}}+\frac {\sqrt {\pi } f^a \exp \left (\frac {(2 e-b \log (f))^2}{8 f-4 c \log (f)}-2 d\right ) \text {Erf}\left (\frac {-b \log (f)+2 x (2 f-c \log (f))+2 e}{2 \sqrt {2 f-c \log (f)}}\right )}{8 \sqrt {2 f-c \log (f)}}+\frac {\sqrt {\pi } f^a \exp \left (2 d-\frac {(b \log (f)+2 e)^2}{4 c \log (f)+8 f}\right ) \text {Erfi}\left (\frac {b \log (f)+2 x (c \log (f)+2 f)+2 e}{2 \sqrt {c \log (f)+2 f}}\right )}{8 \sqrt {c \log (f)+2 f}} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
Rule 2235
Rule 2236
Rule 2266
Rule 2325
Rule 5624
Rubi steps
\begin {align*} \int f^{a+b x+c x^2} \cosh ^2\left (d+e x+f x^2\right ) \, dx &=\int \left (\frac {1}{2} f^{a+b x+c x^2}+\frac {1}{4} e^{-2 d-2 e x-2 f x^2} f^{a+b x+c x^2}+\frac {1}{4} e^{2 d+2 e x+2 f x^2} f^{a+b x+c x^2}\right ) \, dx\\ &=\frac {1}{4} \int e^{-2 d-2 e x-2 f x^2} f^{a+b x+c x^2} \, dx+\frac {1}{4} \int e^{2 d+2 e x+2 f x^2} f^{a+b x+c x^2} \, dx+\frac {1}{2} \int f^{a+b x+c x^2} \, dx\\ &=\frac {1}{4} \int \exp \left (-2 d+a \log (f)-x (2 e-b \log (f))-x^2 (2 f-c \log (f))\right ) \, dx+\frac {1}{4} \int \exp \left (2 d+a \log (f)+x (2 e+b \log (f))+x^2 (2 f+c \log (f))\right ) \, dx+\frac {1}{2} f^{a-\frac {b^2}{4 c}} \int f^{\frac {(b+2 c x)^2}{4 c}} \, dx\\ &=\frac {f^{a-\frac {b^2}{4 c}} \sqrt {\pi } \text {erfi}\left (\frac {(b+2 c x) \sqrt {\log (f)}}{2 \sqrt {c}}\right )}{4 \sqrt {c} \sqrt {\log (f)}}+\frac {1}{4} \left (\exp \left (-2 d+\frac {(2 e-b \log (f))^2}{8 f-4 c \log (f)}\right ) f^a\right ) \int \exp \left (\frac {(-2 e+b \log (f)+2 x (-2 f+c \log (f)))^2}{4 (-2 f+c \log (f))}\right ) \, dx+\frac {1}{4} \left (\exp \left (2 d-\frac {(2 e+b \log (f))^2}{8 f+4 c \log (f)}\right ) f^a\right ) \int \exp \left (\frac {(2 e+b \log (f)+2 x (2 f+c \log (f)))^2}{4 (2 f+c \log (f))}\right ) \, dx\\ &=\frac {f^{a-\frac {b^2}{4 c}} \sqrt {\pi } \text {erfi}\left (\frac {(b+2 c x) \sqrt {\log (f)}}{2 \sqrt {c}}\right )}{4 \sqrt {c} \sqrt {\log (f)}}+\frac {\exp \left (-2 d+\frac {(2 e-b \log (f))^2}{8 f-4 c \log (f)}\right ) f^a \sqrt {\pi } \text {erf}\left (\frac {2 e-b \log (f)+2 x (2 f-c \log (f))}{2 \sqrt {2 f-c \log (f)}}\right )}{8 \sqrt {2 f-c \log (f)}}+\frac {\exp \left (2 d-\frac {(2 e+b \log (f))^2}{8 f+4 c \log (f)}\right ) f^a \sqrt {\pi } \text {erfi}\left (\frac {2 e+b \log (f)+2 x (2 f+c \log (f))}{2 \sqrt {2 f+c \log (f)}}\right )}{8 \sqrt {2 f+c \log (f)}}\\ \end {align*}
________________________________________________________________________________________
Mathematica [A]
time = 4.26, size = 339, normalized size = 1.42 \begin {gather*} \frac {f^{a-\frac {b^2}{4 c}} \sqrt {\pi } \text {Erfi}\left (\frac {(b+2 c x) \sqrt {\log (f)}}{2 \sqrt {c}}\right )}{4 \sqrt {c} \sqrt {\log (f)}}-\frac {e^{-\frac {4 e^2+b^2 \log ^2(f)}{8 f+4 c \log (f)}} f^{a+\frac {4 b e f}{-4 f^2+c^2 \log ^2(f)}} \sqrt {\pi } \left (e^{\frac {f \left (4 e^2+b^2 \log ^2(f)\right )}{4 f^2-c^2 \log ^2(f)}} f^{\frac {b e}{2 f+c \log (f)}} \text {Erf}\left (\frac {2 (e+2 f x)-(b+2 c x) \log (f)}{2 \sqrt {2 f-c \log (f)}}\right ) \sqrt {2 f-c \log (f)} (2 f+c \log (f)) (\cosh (2 d)-\sinh (2 d))+f^{\frac {b e}{2 f-c \log (f)}} \text {Erfi}\left (\frac {2 (e+2 f x)+(b+2 c x) \log (f)}{2 \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 )}{8 \left (-4 f^2+c^2 \log ^2(f)\right )} \end {gather*}
Warning: Unable to verify antiderivative.
[In]
[Out]
________________________________________________________________________________________
Maple [A]
time = 1.81, size = 249, normalized size = 1.04
method | result | size |
risch | \(-\frac {\sqrt {\pi }\, f^{a} {\mathrm e}^{-\frac {b^{2} \ln \left (f \right )^{2}-4 \ln \left (f \right ) b e +8 d \ln \left (f \right ) c -16 d f +4 e^{2}}{4 \left (-2 f +c \ln \left (f \right )\right )}} \erf \left (-x \sqrt {2 f -c \ln \left (f \right )}+\frac {b \ln \left (f \right )-2 e}{2 \sqrt {2 f -c \ln \left (f \right )}}\right )}{8 \sqrt {2 f -c \ln \left (f \right )}}-\frac {\sqrt {\pi }\, f^{a} {\mathrm e}^{-\frac {b^{2} \ln \left (f \right )^{2}+4 \ln \left (f \right ) b e -8 d \ln \left (f \right ) c -16 d f +4 e^{2}}{4 \left (2 f +c \ln \left (f \right )\right )}} \erf \left (-\sqrt {-c \ln \left (f \right )-2 f}\, x +\frac {2 e +b \ln \left (f \right )}{2 \sqrt {-c \ln \left (f \right )-2 f}}\right )}{8 \sqrt {-c \ln \left (f \right )-2 f}}-\frac {\sqrt {\pi }\, f^{a} f^{-\frac {b^{2}}{4 c}} \erf \left (-\sqrt {-c \ln \left (f \right )}\, x +\frac {b \ln \left (f \right )}{2 \sqrt {-c \ln \left (f \right )}}\right )}{4 \sqrt {-c \ln \left (f \right )}}\) | \(249\) |
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [A]
time = 0.28, size = 219, normalized size = 0.92 \begin {gather*} \frac {\sqrt {\pi } f^{a} \operatorname {erf}\left (\sqrt {-c \log \left (f\right ) - 2 \, f} x - \frac {b \log \left (f\right ) + 2 \, e}{2 \, \sqrt {-c \log \left (f\right ) - 2 \, f}}\right ) e^{\left (-\frac {{\left (b \log \left (f\right ) + 2 \, e\right )}^{2}}{4 \, {\left (c \log \left (f\right ) + 2 \, f\right )}} + 2 \, d\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 {b \log \left (f\right ) - 2 \, e}{2 \, \sqrt {-c \log \left (f\right ) + 2 \, f}}\right ) e^{\left (-\frac {{\left (b \log \left (f\right ) - 2 \, e\right )}^{2}}{4 \, {\left (c \log \left (f\right ) - 2 \, f\right )}} - 2 \, d\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 - \frac {b \log \left (f\right )}{2 \, \sqrt {-c \log \left (f\right )}}\right )}{4 \, \sqrt {-c \log \left (f\right )} f^{\frac {b^{2}}{4 \, c}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 602 vs.
\(2 (201) = 402\).
time = 0.46, size = 602, normalized size = 2.52 \begin {gather*} -\frac {{\left (\sqrt {\pi } {\left (c^{2} \log \left (f\right )^{2} + 2 \, c f \log \left (f\right )\right )} \cosh \left (-\frac {{\left (b^{2} - 4 \, a c\right )} \log \left (f\right )^{2} - 16 \, d f + 4 \, \cosh \left (1\right )^{2} + 4 \, {\left (2 \, c d + 2 \, a f - b \cosh \left (1\right ) - b \sinh \left (1\right )\right )} \log \left (f\right ) + 8 \, \cosh \left (1\right ) \sinh \left (1\right ) + 4 \, \sinh \left (1\right )^{2}}{4 \, {\left (c \log \left (f\right ) - 2 \, f\right )}}\right ) + \sqrt {\pi } {\left (c^{2} \log \left (f\right )^{2} + 2 \, c f \log \left (f\right )\right )} \sinh \left (-\frac {{\left (b^{2} - 4 \, a c\right )} \log \left (f\right )^{2} - 16 \, d f + 4 \, \cosh \left (1\right )^{2} + 4 \, {\left (2 \, c d + 2 \, a f - b \cosh \left (1\right ) - b \sinh \left (1\right )\right )} \log \left (f\right ) + 8 \, \cosh \left (1\right ) \sinh \left (1\right ) + 4 \, \sinh \left (1\right )^{2}}{4 \, {\left (c \log \left (f\right ) - 2 \, f\right )}}\right )\right )} \sqrt {-c \log \left (f\right ) + 2 \, f} \operatorname {erf}\left (-\frac {{\left (4 \, f x - {\left (2 \, c x + b\right )} \log \left (f\right ) + 2 \, \cosh \left (1\right ) + 2 \, \sinh \left (1\right )\right )} \sqrt {-c \log \left (f\right ) + 2 \, f}}{2 \, {\left (c \log \left (f\right ) - 2 \, f\right )}}\right ) + {\left (\sqrt {\pi } {\left (c^{2} \log \left (f\right )^{2} - 2 \, c f \log \left (f\right )\right )} \cosh \left (-\frac {{\left (b^{2} - 4 \, a c\right )} \log \left (f\right )^{2} - 16 \, d f + 4 \, \cosh \left (1\right )^{2} - 4 \, {\left (2 \, c d + 2 \, a f - b \cosh \left (1\right ) - b \sinh \left (1\right )\right )} \log \left (f\right ) + 8 \, \cosh \left (1\right ) \sinh \left (1\right ) + 4 \, \sinh \left (1\right )^{2}}{4 \, {\left (c \log \left (f\right ) + 2 \, f\right )}}\right ) + \sqrt {\pi } {\left (c^{2} \log \left (f\right )^{2} - 2 \, c f \log \left (f\right )\right )} \sinh \left (-\frac {{\left (b^{2} - 4 \, a c\right )} \log \left (f\right )^{2} - 16 \, d f + 4 \, \cosh \left (1\right )^{2} - 4 \, {\left (2 \, c d + 2 \, a f - b \cosh \left (1\right ) - b \sinh \left (1\right )\right )} \log \left (f\right ) + 8 \, \cosh \left (1\right ) \sinh \left (1\right ) + 4 \, \sinh \left (1\right )^{2}}{4 \, {\left (c \log \left (f\right ) + 2 \, f\right )}}\right )\right )} \sqrt {-c \log \left (f\right ) - 2 \, f} \operatorname {erf}\left (\frac {{\left (4 \, f x + {\left (2 \, c x + b\right )} \log \left (f\right ) + 2 \, \cosh \left (1\right ) + 2 \, \sinh \left (1\right )\right )} \sqrt {-c \log \left (f\right ) - 2 \, f}}{2 \, {\left (c \log \left (f\right ) + 2 \, f\right )}}\right ) + 2 \, {\left (\sqrt {\pi } {\left (c^{2} \log \left (f\right )^{2} - 4 \, f^{2}\right )} \cosh \left (-\frac {{\left (b^{2} - 4 \, a c\right )} \log \left (f\right )}{4 \, c}\right ) + \sqrt {\pi } {\left (c^{2} \log \left (f\right )^{2} - 4 \, f^{2}\right )} \sinh \left (-\frac {{\left (b^{2} - 4 \, a c\right )} \log \left (f\right )}{4 \, c}\right )\right )} \sqrt {-c \log \left (f\right )} \operatorname {erf}\left (\frac {{\left (2 \, c x + b\right )} \sqrt {-c \log \left (f\right )}}{2 \, c}\right )}{8 \, {\left (c^{3} \log \left (f\right )^{3} - 4 \, c f^{2} \log \left (f\right )\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int f^{a + b x + c x^{2}} \cosh ^{2}{\left (d + e x + f x^{2} \right )}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [A]
time = 0.43, size = 271, normalized size = 1.13 \begin {gather*} -\frac {\sqrt {\pi } \operatorname {erf}\left (-\frac {1}{2} \, \sqrt {-c \log \left (f\right ) - 2 \, f} {\left (2 \, x + \frac {b \log \left (f\right ) + 2 \, e}{c \log \left (f\right ) + 2 \, f}\right )}\right ) e^{\left (-\frac {b^{2} \log \left (f\right )^{2} - 4 \, a c \log \left (f\right )^{2} - 8 \, c d \log \left (f\right ) + 4 \, b e \log \left (f\right ) - 8 \, a f \log \left (f\right ) + 4 \, e^{2} - 16 \, d f}{4 \, {\left (c \log \left (f\right ) + 2 \, f\right )}}\right )}}{8 \, \sqrt {-c \log \left (f\right ) - 2 \, f}} - \frac {\sqrt {\pi } \operatorname {erf}\left (-\frac {1}{2} \, \sqrt {-c \log \left (f\right ) + 2 \, f} {\left (2 \, x + \frac {b \log \left (f\right ) - 2 \, e}{c \log \left (f\right ) - 2 \, f}\right )}\right ) e^{\left (-\frac {b^{2} \log \left (f\right )^{2} - 4 \, a c \log \left (f\right )^{2} + 8 \, c d \log \left (f\right ) - 4 \, b e \log \left (f\right ) + 8 \, a f \log \left (f\right ) + 4 \, e^{2} - 16 \, d f}{4 \, {\left (c \log \left (f\right ) - 2 \, f\right )}}\right )}}{8 \, \sqrt {-c \log \left (f\right ) + 2 \, f}} - \frac {\sqrt {\pi } \operatorname {erf}\left (-\frac {1}{2} \, \sqrt {-c \log \left (f\right )} {\left (2 \, x + \frac {b}{c}\right )}\right ) e^{\left (-\frac {b^{2} \log \left (f\right ) - 4 \, a c \log \left (f\right )}{4 \, c}\right )}}{4 \, \sqrt {-c \log \left (f\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Mupad [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int f^{c\,x^2+b\,x+a}\,{\mathrm {cosh}\left (f\,x^2+e\,x+d\right )}^2 \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________