Optimal. Leaf size=230 \[ \frac{1}{2} d^2 \text{Unintegrable}\left (\frac{\text{Erfc}(b x) e^{c+d x^2}}{x},x\right )+\frac{1}{2} b e^c d \sqrt{b^2-d} \text{Erf}\left (x \sqrt{b^2-d}\right )-\frac{1}{3} b e^c \left (b^2-d\right )^{3/2} \text{Erf}\left (x \sqrt{b^2-d}\right )+\frac{b d e^{c-x^2 \left (b^2-d\right )}}{2 \sqrt{\pi } x}-\frac{b \left (b^2-d\right ) e^{c-x^2 \left (b^2-d\right )}}{3 \sqrt{\pi } x}+\frac{b e^{c-x^2 \left (b^2-d\right )}}{6 \sqrt{\pi } x^3}-\frac{d \text{Erfc}(b x) e^{c+d x^2}}{4 x^2}-\frac{\text{Erfc}(b x) e^{c+d x^2}}{4 x^4} \]
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Rubi [A] time = 0.325333, antiderivative size = 0, normalized size of antiderivative = 0., number of steps used = 0, number of rules used = 0, integrand size = 0, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0., Rules used = {} \[ \int \frac{e^{c+d x^2} \text{Erfc}(b x)}{x^5} \, dx \]
Verification is Not applicable to the result.
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Rubi steps
\begin{align*} \int \frac{e^{c+d x^2} \text{erfc}(b x)}{x^5} \, dx &=-\frac{e^{c+d x^2} \text{erfc}(b x)}{4 x^4}+\frac{1}{2} d \int \frac{e^{c+d x^2} \text{erfc}(b x)}{x^3} \, dx-\frac{b \int \frac{e^{c-\left (b^2-d\right ) x^2}}{x^4} \, dx}{2 \sqrt{\pi }}\\ &=\frac{b e^{c-\left (b^2-d\right ) x^2}}{6 \sqrt{\pi } x^3}-\frac{e^{c+d x^2} \text{erfc}(b x)}{4 x^4}-\frac{d e^{c+d x^2} \text{erfc}(b x)}{4 x^2}+\frac{1}{2} d^2 \int \frac{e^{c+d x^2} \text{erfc}(b x)}{x} \, dx+\frac{\left (b \left (b^2-d\right )\right ) \int \frac{e^{c+\left (-b^2+d\right ) x^2}}{x^2} \, dx}{3 \sqrt{\pi }}-\frac{(b d) \int \frac{e^{c-\left (b^2-d\right ) x^2}}{x^2} \, dx}{2 \sqrt{\pi }}\\ &=\frac{b e^{c-\left (b^2-d\right ) x^2}}{6 \sqrt{\pi } x^3}-\frac{b \left (b^2-d\right ) e^{c-\left (b^2-d\right ) x^2}}{3 \sqrt{\pi } x}+\frac{b d e^{c-\left (b^2-d\right ) x^2}}{2 \sqrt{\pi } x}-\frac{e^{c+d x^2} \text{erfc}(b x)}{4 x^4}-\frac{d e^{c+d x^2} \text{erfc}(b x)}{4 x^2}+\frac{1}{2} d^2 \int \frac{e^{c+d x^2} \text{erfc}(b x)}{x} \, dx-\frac{\left (2 b \left (b^2-d\right )^2\right ) \int e^{c+\left (-b^2+d\right ) x^2} \, dx}{3 \sqrt{\pi }}+\frac{\left (b \left (b^2-d\right ) d\right ) \int e^{c+\left (-b^2+d\right ) x^2} \, dx}{\sqrt{\pi }}\\ &=\frac{b e^{c-\left (b^2-d\right ) x^2}}{6 \sqrt{\pi } x^3}-\frac{b \left (b^2-d\right ) e^{c-\left (b^2-d\right ) x^2}}{3 \sqrt{\pi } x}+\frac{b d e^{c-\left (b^2-d\right ) x^2}}{2 \sqrt{\pi } x}-\frac{1}{3} b \left (b^2-d\right )^{3/2} e^c \text{erf}\left (\sqrt{b^2-d} x\right )+\frac{1}{2} b \sqrt{b^2-d} d e^c \text{erf}\left (\sqrt{b^2-d} x\right )-\frac{e^{c+d x^2} \text{erfc}(b x)}{4 x^4}-\frac{d e^{c+d x^2} \text{erfc}(b x)}{4 x^2}+\frac{1}{2} d^2 \int \frac{e^{c+d x^2} \text{erfc}(b x)}{x} \, dx\\ \end{align*}
Mathematica [A] time = 0.760107, size = 0, normalized size = 0. \[ \int \frac{e^{c+d x^2} \text{Erfc}(b x)}{x^5} \, dx \]
Verification is Not applicable to the result.
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Maple [A] time = 0.327, size = 0, normalized size = 0. \begin{align*} \int{\frac{{{\rm e}^{d{x}^{2}+c}}{\it erfc} \left ( bx \right ) }{{x}^{5}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\operatorname{erfc}\left (b x\right ) e^{\left (d x^{2} + c\right )}}{x^{5}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (-\frac{{\left (\operatorname{erf}\left (b x\right ) - 1\right )} e^{\left (d x^{2} + c\right )}}{x^{5}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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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.
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Giac [A] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\operatorname{erfc}\left (b x\right ) e^{\left (d x^{2} + c\right )}}{x^{5}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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