3.287 \(\int \frac {e^{c+b^2 x^2} \text {erfi}(b x)}{x^3} \, dx\)

Optimal. Leaf size=93 \[ b^2 \text {Int}\left (\frac {e^{b^2 x^2+c} \text {erfi}(b x)}{x},x\right )-\frac {e^{b^2 x^2+c} \text {erfi}(b x)}{2 x^2}+\sqrt {2} b^2 e^c \text {erfi}\left (\sqrt {2} b x\right )-\frac {b e^{2 b^2 x^2+c}}{\sqrt {\pi } x} \]

[Out]

-1/2*exp(b^2*x^2+c)*erfi(b*x)/x^2+b^2*exp(c)*erfi(b*x*2^(1/2))*2^(1/2)-b*exp(2*b^2*x^2+c)/x/Pi^(1/2)+b^2*Unint
egrable(exp(b^2*x^2+c)*erfi(b*x)/x,x)

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Rubi [A]  time = 0.11, 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 = {} \[ \int \frac {e^{c+b^2 x^2} \text {Erfi}(b x)}{x^3} \, dx \]

Verification is Not applicable to the result.

[In]

Int[(E^(c + b^2*x^2)*Erfi[b*x])/x^3,x]

[Out]

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

Rubi steps

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

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Mathematica [A]  time = 0.17, size = 0, normalized size = 0.00 \[ \int \frac {e^{c+b^2 x^2} \text {erfi}(b x)}{x^3} \, dx \]

Verification is Not applicable to the result.

[In]

Integrate[(E^(c + b^2*x^2)*Erfi[b*x])/x^3,x]

[Out]

Integrate[(E^(c + b^2*x^2)*Erfi[b*x])/x^3, x]

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fricas [A]  time = 0.48, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\frac {\operatorname {erfi}\left (b x\right ) e^{\left (b^{2} x^{2} + c\right )}}{x^{3}}, x\right ) \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(exp(b^2*x^2+c)*erfi(b*x)/x^3,x, algorithm="fricas")

[Out]

integral(erfi(b*x)*e^(b^2*x^2 + c)/x^3, x)

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giac [A]  time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {\operatorname {erfi}\left (b x\right ) e^{\left (b^{2} x^{2} + c\right )}}{x^{3}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(exp(b^2*x^2+c)*erfi(b*x)/x^3,x, algorithm="giac")

[Out]

integrate(erfi(b*x)*e^(b^2*x^2 + c)/x^3, x)

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maple [A]  time = 0.21, size = 0, normalized size = 0.00 \[ \int \frac {{\mathrm e}^{b^{2} x^{2}+c} \erfi \left (b x \right )}{x^{3}}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(exp(b^2*x^2+c)*erfi(b*x)/x^3,x)

[Out]

int(exp(b^2*x^2+c)*erfi(b*x)/x^3,x)

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maxima [A]  time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {\operatorname {erfi}\left (b x\right ) e^{\left (b^{2} x^{2} + c\right )}}{x^{3}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(exp(b^2*x^2+c)*erfi(b*x)/x^3,x, algorithm="maxima")

[Out]

integrate(erfi(b*x)*e^(b^2*x^2 + c)/x^3, x)

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mupad [A]  time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {{\mathrm {e}}^{b^2\,x^2+c}\,\mathrm {erfi}\left (b\,x\right )}{x^3} \,d x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((exp(c + b^2*x^2)*erfi(b*x))/x^3,x)

[Out]

int((exp(c + b^2*x^2)*erfi(b*x))/x^3, x)

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sympy [A]  time = 0.00, size = 0, normalized size = 0.00 \[ e^{c} \int \frac {e^{b^{2} x^{2}} \operatorname {erfi}{\left (b x \right )}}{x^{3}}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(exp(b**2*x**2+c)*erfi(b*x)/x**3,x)

[Out]

exp(c)*Integral(exp(b**2*x**2)*erfi(b*x)/x**3, x)

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