Integrand size = 17, antiderivative size = 17 \[ \int \frac {e^{c+d x^2} \text {erfi}(b x)}{x^3} \, dx=-\frac {b e^{c+\left (b^2+d\right ) x^2}}{\sqrt {\pi } x}-\frac {e^{c+d x^2} \text {erfi}(b x)}{2 x^2}+b \sqrt {b^2+d} e^c \text {erfi}\left (\sqrt {b^2+d} x\right )+d \text {Int}\left (\frac {e^{c+d x^2} \text {erfi}(b x)}{x},x\right ) \]
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Not integrable
Time = 0.10 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00, number of steps used = 0, number of rules used = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \[ \int \frac {e^{c+d x^2} \text {erfi}(b x)}{x^3} \, dx=\int \frac {e^{c+d x^2} \text {erfi}(b x)}{x^3} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = -\frac {e^{c+d x^2} \text {erfi}(b x)}{2 x^2}+d \int \frac {e^{c+d x^2} \text {erfi}(b x)}{x} \, dx+\frac {b \int \frac {e^{c+\left (b^2+d\right ) x^2}}{x^2} \, dx}{\sqrt {\pi }} \\ & = -\frac {b e^{c+\left (b^2+d\right ) x^2}}{\sqrt {\pi } x}-\frac {e^{c+d x^2} \text {erfi}(b x)}{2 x^2}+d \int \frac {e^{c+d x^2} \text {erfi}(b x)}{x} \, dx+\frac {\left (2 b \left (b^2+d\right )\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}}{\sqrt {\pi } x}-\frac {e^{c+d x^2} \text {erfi}(b x)}{2 x^2}+b \sqrt {b^2+d} e^c \text {erfi}\left (\sqrt {b^2+d} x\right )+d \int \frac {e^{c+d x^2} \text {erfi}(b x)}{x} \, dx \\ \end{align*}
Not integrable
Time = 0.13 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.12 \[ \int \frac {e^{c+d x^2} \text {erfi}(b x)}{x^3} \, dx=\int \frac {e^{c+d x^2} \text {erfi}(b x)}{x^3} \, dx \]
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Not integrable
Time = 0.16 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.94
\[\int \frac {{\mathrm e}^{d \,x^{2}+c} \operatorname {erfi}\left (b x \right )}{x^{3}}d x\]
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Not integrable
Time = 0.24 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.06 \[ \int \frac {e^{c+d x^2} \text {erfi}(b x)}{x^3} \, dx=\int { \frac {\operatorname {erfi}\left (b x\right ) e^{\left (d x^{2} + c\right )}}{x^{3}} \,d x } \]
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Not integrable
Time = 5.81 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.12 \[ \int \frac {e^{c+d x^2} \text {erfi}(b x)}{x^3} \, dx=e^{c} \int \frac {e^{d x^{2}} \operatorname {erfi}{\left (b x \right )}}{x^{3}}\, dx \]
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Not integrable
Time = 0.25 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.06 \[ \int \frac {e^{c+d x^2} \text {erfi}(b x)}{x^3} \, dx=\int { \frac {\operatorname {erfi}\left (b x\right ) e^{\left (d x^{2} + c\right )}}{x^{3}} \,d x } \]
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Not integrable
Time = 0.27 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.06 \[ \int \frac {e^{c+d x^2} \text {erfi}(b x)}{x^3} \, dx=\int { \frac {\operatorname {erfi}\left (b x\right ) e^{\left (d x^{2} + c\right )}}{x^{3}} \,d x } \]
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Not integrable
Time = 5.84 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.06 \[ \int \frac {e^{c+d x^2} \text {erfi}(b x)}{x^3} \, dx=\int \frac {{\mathrm {e}}^{d\,x^2+c}\,\mathrm {erfi}\left (b\,x\right )}{x^3} \,d x \]
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