Optimal. Leaf size=257 \[ -\frac{b e^c \text{Erfi}\left (x \sqrt{b^2+d}\right )}{d^3 \sqrt{b^2+d}}-\frac{b e^c \text{Erfi}\left (x \sqrt{b^2+d}\right )}{2 d^2 \left (b^2+d\right )^{3/2}}+\frac{b x e^{x^2 \left (b^2+d\right )+c}}{\sqrt{\pi } d^2 \left (b^2+d\right )}-\frac{3 b e^c \text{Erfi}\left (x \sqrt{b^2+d}\right )}{8 d \left (b^2+d\right )^{5/2}}-\frac{b x^3 e^{x^2 \left (b^2+d\right )+c}}{2 \sqrt{\pi } d \left (b^2+d\right )}+\frac{3 b x e^{x^2 \left (b^2+d\right )+c}}{4 \sqrt{\pi } d \left (b^2+d\right )^2}-\frac{x^2 \text{Erfi}(b x) e^{c+d x^2}}{d^2}+\frac{\text{Erfi}(b x) e^{c+d x^2}}{d^3}+\frac{x^4 \text{Erfi}(b x) e^{c+d x^2}}{2 d} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.408909, antiderivative size = 257, normalized size of antiderivative = 1., number of steps used = 9, number of rules used = 4, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.235, Rules used = {6387, 6384, 2204, 2212} \[ -\frac{b e^c \text{Erfi}\left (x \sqrt{b^2+d}\right )}{d^3 \sqrt{b^2+d}}-\frac{b e^c \text{Erfi}\left (x \sqrt{b^2+d}\right )}{2 d^2 \left (b^2+d\right )^{3/2}}+\frac{b x e^{x^2 \left (b^2+d\right )+c}}{\sqrt{\pi } d^2 \left (b^2+d\right )}-\frac{3 b e^c \text{Erfi}\left (x \sqrt{b^2+d}\right )}{8 d \left (b^2+d\right )^{5/2}}-\frac{b x^3 e^{x^2 \left (b^2+d\right )+c}}{2 \sqrt{\pi } d \left (b^2+d\right )}+\frac{3 b x e^{x^2 \left (b^2+d\right )+c}}{4 \sqrt{\pi } d \left (b^2+d\right )^2}-\frac{x^2 \text{Erfi}(b x) e^{c+d x^2}}{d^2}+\frac{\text{Erfi}(b x) e^{c+d x^2}}{d^3}+\frac{x^4 \text{Erfi}(b x) e^{c+d x^2}}{2 d} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 6387
Rule 6384
Rule 2204
Rule 2212
Rubi steps
\begin{align*} \int e^{c+d x^2} x^5 \text{erfi}(b x) \, dx &=\frac{e^{c+d x^2} x^4 \text{erfi}(b x)}{2 d}-\frac{2 \int e^{c+d x^2} x^3 \text{erfi}(b x) \, dx}{d}-\frac{b \int e^{c+\left (b^2+d\right ) x^2} x^4 \, dx}{d \sqrt{\pi }}\\ &=-\frac{b e^{c+\left (b^2+d\right ) x^2} x^3}{2 d \left (b^2+d\right ) \sqrt{\pi }}-\frac{e^{c+d x^2} x^2 \text{erfi}(b x)}{d^2}+\frac{e^{c+d x^2} x^4 \text{erfi}(b x)}{2 d}+\frac{2 \int e^{c+d x^2} x \text{erfi}(b x) \, dx}{d^2}+\frac{(2 b) \int e^{c+\left (b^2+d\right ) x^2} x^2 \, dx}{d^2 \sqrt{\pi }}+\frac{(3 b) \int e^{c+\left (b^2+d\right ) x^2} x^2 \, dx}{2 d \left (b^2+d\right ) \sqrt{\pi }}\\ &=\frac{3 b e^{c+\left (b^2+d\right ) x^2} x}{4 d \left (b^2+d\right )^2 \sqrt{\pi }}+\frac{b e^{c+\left (b^2+d\right ) x^2} x}{d^2 \left (b^2+d\right ) \sqrt{\pi }}-\frac{b e^{c+\left (b^2+d\right ) x^2} x^3}{2 d \left (b^2+d\right ) \sqrt{\pi }}+\frac{e^{c+d x^2} \text{erfi}(b x)}{d^3}-\frac{e^{c+d x^2} x^2 \text{erfi}(b x)}{d^2}+\frac{e^{c+d x^2} x^4 \text{erfi}(b x)}{2 d}-\frac{(2 b) \int e^{c+\left (b^2+d\right ) x^2} \, dx}{d^3 \sqrt{\pi }}-\frac{(3 b) \int e^{c+\left (b^2+d\right ) x^2} \, dx}{4 d \left (b^2+d\right )^2 \sqrt{\pi }}-\frac{b \int e^{c+\left (b^2+d\right ) x^2} \, dx}{d^2 \left (b^2+d\right ) \sqrt{\pi }}\\ &=\frac{3 b e^{c+\left (b^2+d\right ) x^2} x}{4 d \left (b^2+d\right )^2 \sqrt{\pi }}+\frac{b e^{c+\left (b^2+d\right ) x^2} x}{d^2 \left (b^2+d\right ) \sqrt{\pi }}-\frac{b e^{c+\left (b^2+d\right ) x^2} x^3}{2 d \left (b^2+d\right ) \sqrt{\pi }}+\frac{e^{c+d x^2} \text{erfi}(b x)}{d^3}-\frac{e^{c+d x^2} x^2 \text{erfi}(b x)}{d^2}+\frac{e^{c+d x^2} x^4 \text{erfi}(b x)}{2 d}-\frac{3 b e^c \text{erfi}\left (\sqrt{b^2+d} x\right )}{8 d \left (b^2+d\right )^{5/2}}-\frac{b e^c \text{erfi}\left (\sqrt{b^2+d} x\right )}{2 d^2 \left (b^2+d\right )^{3/2}}-\frac{b e^c \text{erfi}\left (\sqrt{b^2+d} x\right )}{d^3 \sqrt{b^2+d}}\\ \end{align*}
Mathematica [A] time = 0.278333, size = 131, normalized size = 0.51 \[ \frac{e^c \left (-\frac{b \left (20 b^2 d+8 b^4+15 d^2\right ) \text{Erfi}\left (x \sqrt{b^2+d}\right )}{\left (b^2+d\right )^{5/2}}-\frac{2 b d x e^{x^2 \left (b^2+d\right )} \left (2 b^2 \left (d x^2-2\right )+d \left (2 d x^2-7\right )\right )}{\sqrt{\pi } \left (b^2+d\right )^2}+4 e^{d x^2} \left (d^2 x^4-2 d x^2+2\right ) \text{Erfi}(b x)\right )}{8 d^3} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [F] time = 0.109, size = 0, normalized size = 0. \begin{align*} \int{{\rm e}^{d{x}^{2}+c}}{x}^{5}{\it erfi} \left ( bx \right ) \, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int x^{5} \operatorname{erfi}\left (b x\right ) e^{\left (d x^{2} + c\right )}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A] time = 2.80757, size = 547, normalized size = 2.13 \begin{align*} \frac{\pi{\left (8 \, b^{5} + 20 \, b^{3} d + 15 \, b d^{2}\right )} \sqrt{-b^{2} - d} \operatorname{erf}\left (\sqrt{-b^{2} - d} x\right ) e^{c} + 4 \,{\left (\pi{\left (b^{6} d^{2} + 3 \, b^{4} d^{3} + 3 \, b^{2} d^{4} + d^{5}\right )} x^{4} - 2 \, \pi{\left (b^{6} d + 3 \, b^{4} d^{2} + 3 \, b^{2} d^{3} + d^{4}\right )} x^{2} + 2 \, \pi{\left (b^{6} + 3 \, b^{4} d + 3 \, b^{2} d^{2} + d^{3}\right )}\right )} \operatorname{erfi}\left (b x\right ) e^{\left (d x^{2} + c\right )} - 2 \, \sqrt{\pi }{\left (2 \,{\left (b^{5} d^{2} + 2 \, b^{3} d^{3} + b d^{4}\right )} x^{3} -{\left (4 \, b^{5} d + 11 \, b^{3} d^{2} + 7 \, b d^{3}\right )} x\right )} e^{\left (b^{2} x^{2} + d x^{2} + c\right )}}{8 \, \pi{\left (b^{6} d^{3} + 3 \, b^{4} d^{4} + 3 \, b^{2} d^{5} + d^{6}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int x^{5} \operatorname{erfi}\left (b x\right ) e^{\left (d x^{2} + c\right )}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]