Optimal. Leaf size=92 \[ x \left (c x^n\right )^{-1/n} e^{\frac {1-4 a b d^2 n}{4 b^2 d^2 n^2}} \text {erf}\left (\frac {2 a b d^2+2 b^2 d^2 \log \left (c x^n\right )-\frac {1}{n}}{2 b d}\right )+x \text {erfc}\left (d \left (a+b \log \left (c x^n\right )\right )\right ) \]
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Rubi [A] time = 0.10, antiderivative size = 92, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 7, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.538, Rules used = {6398, 2277, 2274, 15, 2276, 2234, 2205} \[ x \left (c x^n\right )^{-1/n} e^{\frac {1-4 a b d^2 n}{4 b^2 d^2 n^2}} \text {Erf}\left (\frac {2 a b d^2+2 b^2 d^2 \log \left (c x^n\right )-\frac {1}{n}}{2 b d}\right )+x \text {Erfc}\left (d \left (a+b \log \left (c x^n\right )\right )\right ) \]
Antiderivative was successfully verified.
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Rule 15
Rule 2205
Rule 2234
Rule 2274
Rule 2276
Rule 2277
Rule 6398
Rubi steps
\begin {align*} \int \text {erfc}\left (d \left (a+b \log \left (c x^n\right )\right )\right ) \, dx &=x \text {erfc}\left (d \left (a+b \log \left (c x^n\right )\right )\right )+\frac {(2 b d n) \int e^{-d^2 \left (a+b \log \left (c x^n\right )\right )^2} \, dx}{\sqrt {\pi }}\\ &=x \text {erfc}\left (d \left (a+b \log \left (c x^n\right )\right )\right )+\frac {(2 b d n) \int \exp \left (-a^2 d^2-2 a b d^2 \log \left (c x^n\right )-b^2 d^2 \log ^2\left (c x^n\right )\right ) \, dx}{\sqrt {\pi }}\\ &=x \text {erfc}\left (d \left (a+b \log \left (c x^n\right )\right )\right )+\frac {(2 b d n) \int e^{-a^2 d^2-b^2 d^2 \log ^2\left (c x^n\right )} \left (c x^n\right )^{-2 a b d^2} \, dx}{\sqrt {\pi }}\\ &=x \text {erfc}\left (d \left (a+b \log \left (c x^n\right )\right )\right )+\frac {\left (2 b d n x^{2 a b d^2 n} \left (c x^n\right )^{-2 a b d^2}\right ) \int e^{-a^2 d^2-b^2 d^2 \log ^2\left (c x^n\right )} x^{-2 a b d^2 n} \, dx}{\sqrt {\pi }}\\ &=x \text {erfc}\left (d \left (a+b \log \left (c x^n\right )\right )\right )+\frac {\left (2 b d x \left (c x^n\right )^{-2 a b d^2-\frac {1-2 a b d^2 n}{n}}\right ) \operatorname {Subst}\left (\int \exp \left (-a^2 d^2+\frac {\left (1-2 a b d^2 n\right ) x}{n}-b^2 d^2 x^2\right ) \, dx,x,\log \left (c x^n\right )\right )}{\sqrt {\pi }}\\ &=x \text {erfc}\left (d \left (a+b \log \left (c x^n\right )\right )\right )+\frac {\left (2 b d e^{\frac {1-4 a b d^2 n}{4 b^2 d^2 n^2}} x \left (c x^n\right )^{-2 a b d^2-\frac {1-2 a b d^2 n}{n}}\right ) \operatorname {Subst}\left (\int \exp \left (-\frac {\left (\frac {1-2 a b d^2 n}{n}-2 b^2 d^2 x\right )^2}{4 b^2 d^2}\right ) \, dx,x,\log \left (c x^n\right )\right )}{\sqrt {\pi }}\\ &=e^{\frac {1-4 a b d^2 n}{4 b^2 d^2 n^2}} x \left (c x^n\right )^{-1/n} \text {erf}\left (\frac {2 a b d^2-\frac {1}{n}+2 b^2 d^2 \log \left (c x^n\right )}{2 b d}\right )+x \text {erfc}\left (d \left (a+b \log \left (c x^n\right )\right )\right )\\ \end {align*}
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Mathematica [A] time = 0.28, size = 77, normalized size = 0.84 \[ x e^{\frac {\frac {\frac {1}{d^2}-4 a b n}{b^2}-4 n \log \left (c x^n\right )}{4 n^2}} \text {erf}\left (a d+b d \log \left (c x^n\right )-\frac {1}{2 b d n}\right )+x \text {erfc}\left (d \left (a+b \log \left (c x^n\right )\right )\right ) \]
Antiderivative was successfully verified.
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fricas [A] time = 0.55, size = 123, normalized size = 1.34 \[ \sqrt {b^{2} d^{2} n^{2}} \operatorname {erf}\left (\frac {{\left (2 \, b^{2} d^{2} n^{2} \log \relax (x) + 2 \, b^{2} d^{2} n \log \relax (c) + 2 \, a b d^{2} n - 1\right )} \sqrt {b^{2} d^{2} n^{2}}}{2 \, b^{2} d^{2} n^{2}}\right ) e^{\left (-\frac {4 \, b^{2} d^{2} n \log \relax (c) + 4 \, a b d^{2} n - 1}{4 \, b^{2} d^{2} n^{2}}\right )} - x \operatorname {erf}\left (b d \log \left (c x^{n}\right ) + a d\right ) + x \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.79, size = 82, normalized size = 0.89 \[ -x \operatorname {erf}\left (b d n \log \relax (x) + b d \log \relax (c) + a d\right ) + x - \frac {\operatorname {erf}\left (-b d n \log \relax (x) - b d \log \relax (c) - a d + \frac {1}{2 \, b d n}\right ) e^{\left (-\frac {a}{b n} + \frac {1}{4 \, b^{2} d^{2} n^{2}}\right )}}{c^{\left (\frac {1}{n}\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 0.15, size = 0, normalized size = 0.00 \[ \int \mathrm {erfc}\left (d \left (a +b \ln \left (c \,x^{n}\right )\right )\right )\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \operatorname {erfc}\left ({\left (b \log \left (c x^{n}\right ) + a\right )} d\right )\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \mathrm {erfc}\left (d\,\left (a+b\,\ln \left (c\,x^n\right )\right )\right ) \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \operatorname {erfc}{\left (d \left (a + b \log {\left (c x^{n} \right )}\right ) \right )}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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