Optimal. Leaf size=20 \[ \text{Unintegrable}\left (\frac{1}{x^2 \left (a+b \tan \left (c+d x^2\right )\right )^2},x\right ) \]
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Rubi [A] time = 0.0255948, 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 = {} \[ \int \frac{1}{x^2 \left (a+b \tan \left (c+d x^2\right )\right )^2} \, dx \]
Verification is Not applicable to the result.
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Rubi steps
\begin{align*} \int \frac{1}{x^2 \left (a+b \tan \left (c+d x^2\right )\right )^2} \, dx &=\int \frac{1}{x^2 \left (a+b \tan \left (c+d x^2\right )\right )^2} \, dx\\ \end{align*}
Mathematica [A] time = 6.5031, size = 0, normalized size = 0. \[ \int \frac{1}{x^2 \left (a+b \tan \left (c+d x^2\right )\right )^2} \, dx \]
Verification is Not applicable to the result.
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Maple [A] time = 0.557, size = 0, normalized size = 0. \begin{align*} \int{\frac{1}{{x}^{2} \left ( a+b\tan \left ( d{x}^{2}+c \right ) \right ) ^{2}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [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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Fricas [A] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{1}{b^{2} x^{2} \tan \left (d x^{2} + c\right )^{2} + 2 \, a b x^{2} \tan \left (d x^{2} + 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*} \int \frac{1}{x^{2} \left (a + b \tan{\left (c + d x^{2} \right )}\right )^{2}}\, dx \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 \tan \left (d x^{2} + 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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