3.3.65 \(\int e^{c+d x^2} x^4 \text {Erfi}(b x) \, dx\) [265]

Optimal. Leaf size=171 \[ \frac {b e^{c+\left (b^2+d\right ) x^2}}{2 d \left (b^2+d\right )^2 \sqrt {\pi }}+\frac {3 b e^{c+\left (b^2+d\right ) x^2}}{4 d^2 \left (b^2+d\right ) \sqrt {\pi }}-\frac {b e^{c+\left (b^2+d\right ) x^2} x^2}{2 d \left (b^2+d\right ) \sqrt {\pi }}-\frac {3 e^{c+d x^2} x \text {Erfi}(b x)}{4 d^2}+\frac {e^{c+d x^2} x^3 \text {Erfi}(b x)}{2 d}+\frac {3 \text {Int}\left (e^{c+d x^2} \text {Erfi}(b x),x\right )}{4 d^2} \]

[Out]

-3/4*exp(d*x^2+c)*x*erfi(b*x)/d^2+1/2*exp(d*x^2+c)*x^3*erfi(b*x)/d+1/2*b*exp(c+(b^2+d)*x^2)/d/(b^2+d)^2/Pi^(1/
2)+3/4*b*exp(c+(b^2+d)*x^2)/d^2/(b^2+d)/Pi^(1/2)-1/2*b*exp(c+(b^2+d)*x^2)*x^2/d/(b^2+d)/Pi^(1/2)+3/4*Unintegra
ble(exp(d*x^2+c)*erfi(b*x),x)/d^2

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Rubi [A]
time = 0.15, antiderivative size = 0, normalized size of antiderivative = 0.00, number of steps used = 0, number of rules used = 0, integrand size = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \begin {gather*} \int e^{c+d x^2} x^4 \text {Erfi}(b x) \, dx \end {gather*}

Verification is not applicable to the result.

[In]

Int[E^(c + d*x^2)*x^4*Erfi[b*x],x]

[Out]

(b*E^(c + (b^2 + d)*x^2))/(2*d*(b^2 + d)^2*Sqrt[Pi]) + (3*b*E^(c + (b^2 + d)*x^2))/(4*d^2*(b^2 + d)*Sqrt[Pi])
- (b*E^(c + (b^2 + d)*x^2)*x^2)/(2*d*(b^2 + d)*Sqrt[Pi]) - (3*E^(c + d*x^2)*x*Erfi[b*x])/(4*d^2) + (E^(c + d*x
^2)*x^3*Erfi[b*x])/(2*d) + (3*Defer[Int][E^(c + d*x^2)*Erfi[b*x], x])/(4*d^2)

Rubi steps

\begin {align*} \int e^{c+d x^2} x^4 \text {erfi}(b x) \, dx &=\frac {e^{c+d x^2} x^3 \text {erfi}(b x)}{2 d}-\frac {3 \int e^{c+d x^2} x^2 \text {erfi}(b x) \, dx}{2 d}-\frac {b \int e^{c+\left (b^2+d\right ) x^2} x^3 \, dx}{d \sqrt {\pi }}\\ &=-\frac {b e^{c+\left (b^2+d\right ) x^2} x^2}{2 d \left (b^2+d\right ) \sqrt {\pi }}-\frac {3 e^{c+d x^2} x \text {erfi}(b x)}{4 d^2}+\frac {e^{c+d x^2} x^3 \text {erfi}(b x)}{2 d}+\frac {3 \int e^{c+d x^2} \text {erfi}(b x) \, dx}{4 d^2}+\frac {(3 b) \int e^{c+\left (b^2+d\right ) x^2} x \, dx}{2 d^2 \sqrt {\pi }}+\frac {b \int e^{c+\left (b^2+d\right ) x^2} x \, dx}{d \left (b^2+d\right ) \sqrt {\pi }}\\ &=\frac {b e^{c+\left (b^2+d\right ) x^2}}{2 d \left (b^2+d\right )^2 \sqrt {\pi }}+\frac {3 b e^{c+\left (b^2+d\right ) x^2}}{4 d^2 \left (b^2+d\right ) \sqrt {\pi }}-\frac {b e^{c+\left (b^2+d\right ) x^2} x^2}{2 d \left (b^2+d\right ) \sqrt {\pi }}-\frac {3 e^{c+d x^2} x \text {erfi}(b x)}{4 d^2}+\frac {e^{c+d x^2} x^3 \text {erfi}(b x)}{2 d}+\frac {3 \int e^{c+d x^2} \text {erfi}(b x) \, dx}{4 d^2}\\ \end {align*}

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Mathematica [A]
time = 0.20, size = 0, normalized size = 0.00 \begin {gather*} \int e^{c+d x^2} x^4 \text {Erfi}(b x) \, dx \end {gather*}

Verification is not applicable to the result.

[In]

Integrate[E^(c + d*x^2)*x^4*Erfi[b*x],x]

[Out]

Integrate[E^(c + d*x^2)*x^4*Erfi[b*x], x]

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Maple [A]
time = 0.10, size = 0, normalized size = 0.00 \[\int {\mathrm e}^{d \,x^{2}+c} x^{4} \erfi \left (b x \right )\, dx\]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(exp(d*x^2+c)*x^4*erfi(b*x),x)

[Out]

int(exp(d*x^2+c)*x^4*erfi(b*x),x)

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Maxima [A]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(exp(d*x^2+c)*x^4*erfi(b*x),x, algorithm="maxima")

[Out]

integrate(x^4*erfi(b*x)*e^(d*x^2 + c), x)

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Fricas [A]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(exp(d*x^2+c)*x^4*erfi(b*x),x, algorithm="fricas")

[Out]

integral(x^4*erfi(b*x)*e^(d*x^2 + c), x)

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Sympy [A]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} e^{c} \int x^{4} e^{d x^{2}} \operatorname {erfi}{\left (b x \right )}\, dx \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(exp(d*x**2+c)*x**4*erfi(b*x),x)

[Out]

exp(c)*Integral(x**4*exp(d*x**2)*erfi(b*x), x)

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Giac [A]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(exp(d*x^2+c)*x^4*erfi(b*x),x, algorithm="giac")

[Out]

integrate(x^4*erfi(b*x)*e^(d*x^2 + c), x)

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Mupad [A]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int x^4\,{\mathrm {e}}^{d\,x^2+c}\,\mathrm {erfi}\left (b\,x\right ) \,d x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x^4*exp(c + d*x^2)*erfi(b*x),x)

[Out]

int(x^4*exp(c + d*x^2)*erfi(b*x), x)

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