Integrand size = 19, antiderivative size = 151 \[ \int e^{\frac {e}{(c+d x)^3}} (a+b x)^2 \, dx=\frac {b^2 e^{\frac {e}{(c+d x)^3}} (c+d x)^3}{3 d^3}-\frac {b^2 e \operatorname {ExpIntegralEi}\left (\frac {e}{(c+d x)^3}\right )}{3 d^3}-\frac {2 b (b c-a d) \left (-\frac {e}{(c+d x)^3}\right )^{2/3} (c+d x)^2 \Gamma \left (-\frac {2}{3},-\frac {e}{(c+d x)^3}\right )}{3 d^3}+\frac {(b c-a d)^2 \sqrt [3]{-\frac {e}{(c+d x)^3}} (c+d x) \Gamma \left (-\frac {1}{3},-\frac {e}{(c+d x)^3}\right )}{3 d^3} \]
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Time = 0.09 (sec) , antiderivative size = 151, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.263, Rules used = {2258, 2239, 2250, 2245, 2241} \[ \int e^{\frac {e}{(c+d x)^3}} (a+b x)^2 \, dx=-\frac {2 b (c+d x)^2 (b c-a d) \left (-\frac {e}{(c+d x)^3}\right )^{2/3} \Gamma \left (-\frac {2}{3},-\frac {e}{(c+d x)^3}\right )}{3 d^3}+\frac {(c+d x) (b c-a d)^2 \sqrt [3]{-\frac {e}{(c+d x)^3}} \Gamma \left (-\frac {1}{3},-\frac {e}{(c+d x)^3}\right )}{3 d^3}-\frac {b^2 e \operatorname {ExpIntegralEi}\left (\frac {e}{(c+d x)^3}\right )}{3 d^3}+\frac {b^2 (c+d x)^3 e^{\frac {e}{(c+d x)^3}}}{3 d^3} \]
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Rule 2239
Rule 2241
Rule 2245
Rule 2250
Rule 2258
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {(-b c+a d)^2 e^{\frac {e}{(c+d x)^3}}}{d^2}-\frac {2 b (b c-a d) e^{\frac {e}{(c+d x)^3}} (c+d x)}{d^2}+\frac {b^2 e^{\frac {e}{(c+d x)^3}} (c+d x)^2}{d^2}\right ) \, dx \\ & = \frac {b^2 \int e^{\frac {e}{(c+d x)^3}} (c+d x)^2 \, dx}{d^2}-\frac {(2 b (b c-a d)) \int e^{\frac {e}{(c+d x)^3}} (c+d x) \, dx}{d^2}+\frac {(b c-a d)^2 \int e^{\frac {e}{(c+d x)^3}} \, dx}{d^2} \\ & = \frac {b^2 e^{\frac {e}{(c+d x)^3}} (c+d x)^3}{3 d^3}-\frac {2 b (b c-a d) \left (-\frac {e}{(c+d x)^3}\right )^{2/3} (c+d x)^2 \Gamma \left (-\frac {2}{3},-\frac {e}{(c+d x)^3}\right )}{3 d^3}+\frac {(b c-a d)^2 \sqrt [3]{-\frac {e}{(c+d x)^3}} (c+d x) \Gamma \left (-\frac {1}{3},-\frac {e}{(c+d x)^3}\right )}{3 d^3}+\frac {\left (b^2 e\right ) \int \frac {e^{\frac {e}{(c+d x)^3}}}{c+d x} \, dx}{d^2} \\ & = \frac {b^2 e^{\frac {e}{(c+d x)^3}} (c+d x)^3}{3 d^3}-\frac {b^2 e \text {Ei}\left (\frac {e}{(c+d x)^3}\right )}{3 d^3}-\frac {2 b (b c-a d) \left (-\frac {e}{(c+d x)^3}\right )^{2/3} (c+d x)^2 \Gamma \left (-\frac {2}{3},-\frac {e}{(c+d x)^3}\right )}{3 d^3}+\frac {(b c-a d)^2 \sqrt [3]{-\frac {e}{(c+d x)^3}} (c+d x) \Gamma \left (-\frac {1}{3},-\frac {e}{(c+d x)^3}\right )}{3 d^3} \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 136, normalized size of antiderivative = 0.90 \[ \int e^{\frac {e}{(c+d x)^3}} (a+b x)^2 \, dx=\frac {b^2 e^{\frac {e}{(c+d x)^3}} (c+d x)^3-b^2 e \operatorname {ExpIntegralEi}\left (\frac {e}{(c+d x)^3}\right )-2 b (b c-a d) \left (-\frac {e}{(c+d x)^3}\right )^{2/3} (c+d x)^2 \Gamma \left (-\frac {2}{3},-\frac {e}{(c+d x)^3}\right )+(b c-a d)^2 \sqrt [3]{-\frac {e}{(c+d x)^3}} (c+d x) \Gamma \left (-\frac {1}{3},-\frac {e}{(c+d x)^3}\right )}{3 d^3} \]
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\[\int {\mathrm e}^{\frac {e}{\left (d x +c \right )^{3}}} \left (b x +a \right )^{2}d x\]
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Time = 0.11 (sec) , antiderivative size = 259, normalized size of antiderivative = 1.72 \[ \int e^{\frac {e}{(c+d x)^3}} (a+b x)^2 \, dx=-\frac {b^{2} e {\rm Ei}\left (\frac {e}{d^{3} x^{3} + 3 \, c d^{2} x^{2} + 3 \, c^{2} d x + c^{3}}\right ) - 3 \, {\left (b^{2} c d^{2} - a b d^{3}\right )} \left (-\frac {e}{d^{3}}\right )^{\frac {2}{3}} \Gamma \left (\frac {1}{3}, -\frac {e}{d^{3} x^{3} + 3 \, c d^{2} x^{2} + 3 \, c^{2} d x + c^{3}}\right ) + 3 \, {\left (b^{2} c^{2} d - 2 \, a b c d^{2} + a^{2} d^{3}\right )} \left (-\frac {e}{d^{3}}\right )^{\frac {1}{3}} \Gamma \left (\frac {2}{3}, -\frac {e}{d^{3} x^{3} + 3 \, c d^{2} x^{2} + 3 \, c^{2} d x + c^{3}}\right ) - {\left (b^{2} d^{3} x^{3} + 3 \, a b d^{3} x^{2} + 3 \, a^{2} d^{3} x + b^{2} c^{3} - 3 \, a b c^{2} d + 3 \, a^{2} c d^{2}\right )} e^{\left (\frac {e}{d^{3} x^{3} + 3 \, c d^{2} x^{2} + 3 \, c^{2} d x + c^{3}}\right )}}{3 \, d^{3}} \]
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\[ \int e^{\frac {e}{(c+d x)^3}} (a+b x)^2 \, dx=\int \left (a + b x\right )^{2} e^{\frac {e}{c^{3} + 3 c^{2} d x + 3 c d^{2} x^{2} + d^{3} x^{3}}}\, dx \]
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\[ \int e^{\frac {e}{(c+d x)^3}} (a+b x)^2 \, dx=\int { {\left (b x + a\right )}^{2} e^{\left (\frac {e}{{\left (d x + c\right )}^{3}}\right )} \,d x } \]
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\[ \int e^{\frac {e}{(c+d x)^3}} (a+b x)^2 \, dx=\int { {\left (b x + a\right )}^{2} e^{\left (\frac {e}{{\left (d x + c\right )}^{3}}\right )} \,d x } \]
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Timed out. \[ \int e^{\frac {e}{(c+d x)^3}} (a+b x)^2 \, dx=\int {\mathrm {e}}^{\frac {e}{{\left (c+d\,x\right )}^3}}\,{\left (a+b\,x\right )}^2 \,d x \]
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