Optimal. Leaf size=19 \[ \text{Unintegrable}\left (\frac{1}{x^2 \left (a+b e^{c+d x}\right )^2},x\right ) \]
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Rubi [A] time = 0.0436893, 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 = {} \[ \int \frac{1}{\left (a+b e^{c+d x}\right )^2 x^2} \, dx \]
Verification is Not applicable to the result.
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Rubi steps
\begin{align*} \int \frac{1}{\left (a+b e^{c+d x}\right )^2 x^2} \, dx &=\int \frac{1}{\left (a+b e^{c+d x}\right )^2 x^2} \, dx\\ \end{align*}
Mathematica [A] time = 0.613516, size = 0, normalized size = 0. \[ \int \frac{1}{\left (a+b e^{c+d x}\right )^2 x^2} \, dx \]
Verification is Not applicable to the result.
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Maple [A] time = 0.103, size = 0, normalized size = 0. \begin{align*} \int{\frac{1}{ \left ( a+b{{\rm e}^{dx+c}} \right ) ^{2}{x}^{2}}}\, 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*} \frac{1}{a b d x^{2} e^{\left (d x + c\right )} + a^{2} d x^{2}} + \int \frac{d x + 2}{a b d x^{3} e^{\left (d x + c\right )} + a^{2} d x^{3}}\,{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{1}{b^{2} x^{2} e^{\left (2 \, d x + 2 \, c\right )} + 2 \, a b x^{2} e^{\left (d x + c\right )} + a^{2} x^{2}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0., size = 0, normalized size = 0. \begin{align*} \frac{1}{a^{2} d x^{2} + a b d x^{2} e^{c + d x}} + \frac{\int \frac{d x}{a x^{3} + b x^{3} e^{c} e^{d x}}\, dx + \int \frac{2}{a x^{3} + b x^{3} e^{c} e^{d x}}\, dx}{a d} \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{1}{{\left (b e^{\left (d x + c\right )} + a\right )}^{2} x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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