Optimal. Leaf size=183 \[ \frac{4 a^3 (a+b x)^2 \text{Gamma}\left (\frac{2}{3},-(a+b x)^3\right )}{3 b^5 \left (-(a+b x)^3\right )^{2/3}}-\frac{a^4 (a+b x) \text{Gamma}\left (\frac{1}{3},-(a+b x)^3\right )}{3 b^5 \sqrt [3]{-(a+b x)^3}}-\frac{(a+b x)^5 \text{Gamma}\left (\frac{5}{3},-(a+b x)^3\right )}{3 b^5 \left (-(a+b x)^3\right )^{5/3}}+\frac{4 a (a+b x)^4 \text{Gamma}\left (\frac{4}{3},-(a+b x)^3\right )}{3 b^5 \left (-(a+b x)^3\right )^{4/3}}+\frac{2 a^2 e^{(a+b x)^3}}{b^5} \]
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Rubi [A] time = 0.183204, antiderivative size = 183, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 5, integrand size = 33, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.152, Rules used = {2227, 2226, 2208, 2218, 2209} \[ \frac{4 a^3 (a+b x)^2 \text{Gamma}\left (\frac{2}{3},-(a+b x)^3\right )}{3 b^5 \left (-(a+b x)^3\right )^{2/3}}-\frac{a^4 (a+b x) \text{Gamma}\left (\frac{1}{3},-(a+b x)^3\right )}{3 b^5 \sqrt [3]{-(a+b x)^3}}-\frac{(a+b x)^5 \text{Gamma}\left (\frac{5}{3},-(a+b x)^3\right )}{3 b^5 \left (-(a+b x)^3\right )^{5/3}}+\frac{4 a (a+b x)^4 \text{Gamma}\left (\frac{4}{3},-(a+b x)^3\right )}{3 b^5 \left (-(a+b x)^3\right )^{4/3}}+\frac{2 a^2 e^{(a+b x)^3}}{b^5} \]
Antiderivative was successfully verified.
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Rule 2227
Rule 2226
Rule 2208
Rule 2218
Rule 2209
Rubi steps
\begin{align*} \int e^{a^3+3 a^2 b x+3 a b^2 x^2+b^3 x^3} x^4 \, dx &=\int e^{(a+b x)^3} x^4 \, dx\\ &=\int \left (\frac{a^4 e^{(a+b x)^3}}{b^4}-\frac{4 a^3 e^{(a+b x)^3} (a+b x)}{b^4}+\frac{6 a^2 e^{(a+b x)^3} (a+b x)^2}{b^4}-\frac{4 a e^{(a+b x)^3} (a+b x)^3}{b^4}+\frac{e^{(a+b x)^3} (a+b x)^4}{b^4}\right ) \, dx\\ &=\frac{\int e^{(a+b x)^3} (a+b x)^4 \, dx}{b^4}-\frac{(4 a) \int e^{(a+b x)^3} (a+b x)^3 \, dx}{b^4}+\frac{\left (6 a^2\right ) \int e^{(a+b x)^3} (a+b x)^2 \, dx}{b^4}-\frac{\left (4 a^3\right ) \int e^{(a+b x)^3} (a+b x) \, dx}{b^4}+\frac{a^4 \int e^{(a+b x)^3} \, dx}{b^4}\\ &=\frac{2 a^2 e^{(a+b x)^3}}{b^5}-\frac{a^4 (a+b x) \Gamma \left (\frac{1}{3},-(a+b x)^3\right )}{3 b^5 \sqrt [3]{-(a+b x)^3}}+\frac{4 a^3 (a+b x)^2 \Gamma \left (\frac{2}{3},-(a+b x)^3\right )}{3 b^5 \left (-(a+b x)^3\right )^{2/3}}+\frac{4 a (a+b x)^4 \Gamma \left (\frac{4}{3},-(a+b x)^3\right )}{3 b^5 \left (-(a+b x)^3\right )^{4/3}}-\frac{(a+b x)^5 \Gamma \left (\frac{5}{3},-(a+b x)^3\right )}{3 b^5 \left (-(a+b x)^3\right )^{5/3}}\\ \end{align*}
Mathematica [A] time = 0.179857, size = 164, normalized size = 0.9 \[ \frac{a^4 (-(a+b x)) \sqrt [3]{-(a+b x)^3} \text{Gamma}\left (\frac{1}{3},-(a+b x)^3\right )+4 a^3 (a+b x)^2 \text{Gamma}\left (\frac{2}{3},-(a+b x)^3\right )-4 a (a+b x) \sqrt [3]{-(a+b x)^3} \text{Gamma}\left (\frac{4}{3},-(a+b x)^3\right )+(a+b x)^2 \text{Gamma}\left (\frac{5}{3},-(a+b x)^3\right )+6 a^2 e^{(a+b x)^3} \left (-(a+b x)^3\right )^{2/3}}{3 b^5 \left (-(a+b x)^3\right )^{2/3}} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.025, size = 0, normalized size = 0. \begin{align*} \int{{\rm e}^{{b}^{3}{x}^{3}+3\,a{b}^{2}{x}^{2}+3\,{a}^{2}bx+{a}^{3}}}{x}^{4}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int x^{4} e^{\left (b^{3} x^{3} + 3 \, a b^{2} x^{2} + 3 \, a^{2} b x + a^{3}\right )}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.51148, size = 348, normalized size = 1.9 \begin{align*} -\frac{2 \,{\left (6 \, a^{3} + 1\right )} \left (-b^{3}\right )^{\frac{1}{3}} b \Gamma \left (\frac{2}{3}, -b^{3} x^{3} - 3 \, a b^{2} x^{2} - 3 \, a^{2} b x - a^{3}\right ) -{\left (3 \, a^{4} + 4 \, a\right )} \left (-b^{3}\right )^{\frac{2}{3}} \Gamma \left (\frac{1}{3}, -b^{3} x^{3} - 3 \, a b^{2} x^{2} - 3 \, a^{2} b x - a^{3}\right ) - 3 \,{\left (b^{4} x^{2} - 2 \, a b^{3} x + 3 \, a^{2} b^{2}\right )} e^{\left (b^{3} x^{3} + 3 \, a b^{2} x^{2} + 3 \, a^{2} b x + a^{3}\right )}}{9 \, b^{7}} \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 [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int x^{4} e^{\left (b^{3} x^{3} + 3 \, a b^{2} x^{2} + 3 \, a^{2} b x + a^{3}\right )}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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