Optimal. Leaf size=231 \[ -\frac{i b^2 e \text{PolyLog}\left (2,1-\frac{2}{1+i c x}\right )}{3 c^3}+\frac{i b^2 d \text{PolyLog}\left (2,1-\frac{2}{1+i c x}\right )}{c}-\frac{i e \left (a+b \tan ^{-1}(c x)\right )^2}{3 c^3}-\frac{2 b e \log \left (\frac{2}{1+i c x}\right ) \left (a+b \tan ^{-1}(c x)\right )}{3 c^3}+d x \left (a+b \tan ^{-1}(c x)\right )^2+\frac{i d \left (a+b \tan ^{-1}(c x)\right )^2}{c}+\frac{2 b d \log \left (\frac{2}{1+i c x}\right ) \left (a+b \tan ^{-1}(c x)\right )}{c}+\frac{1}{3} e x^3 \left (a+b \tan ^{-1}(c x)\right )^2-\frac{b e x^2 \left (a+b \tan ^{-1}(c x)\right )}{3 c}+\frac{b^2 e x}{3 c^2}-\frac{b^2 e \tan ^{-1}(c x)}{3 c^3} \]
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Rubi [A] time = 0.35754, antiderivative size = 231, normalized size of antiderivative = 1., number of steps used = 16, number of rules used = 10, integrand size = 18, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.556, Rules used = {4914, 4846, 4920, 4854, 2402, 2315, 4852, 4916, 321, 203} \[ -\frac{i b^2 e \text{PolyLog}\left (2,1-\frac{2}{1+i c x}\right )}{3 c^3}+\frac{i b^2 d \text{PolyLog}\left (2,1-\frac{2}{1+i c x}\right )}{c}-\frac{i e \left (a+b \tan ^{-1}(c x)\right )^2}{3 c^3}-\frac{2 b e \log \left (\frac{2}{1+i c x}\right ) \left (a+b \tan ^{-1}(c x)\right )}{3 c^3}+d x \left (a+b \tan ^{-1}(c x)\right )^2+\frac{i d \left (a+b \tan ^{-1}(c x)\right )^2}{c}+\frac{2 b d \log \left (\frac{2}{1+i c x}\right ) \left (a+b \tan ^{-1}(c x)\right )}{c}+\frac{1}{3} e x^3 \left (a+b \tan ^{-1}(c x)\right )^2-\frac{b e x^2 \left (a+b \tan ^{-1}(c x)\right )}{3 c}+\frac{b^2 e x}{3 c^2}-\frac{b^2 e \tan ^{-1}(c x)}{3 c^3} \]
Antiderivative was successfully verified.
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Rule 4914
Rule 4846
Rule 4920
Rule 4854
Rule 2402
Rule 2315
Rule 4852
Rule 4916
Rule 321
Rule 203
Rubi steps
\begin{align*} \int \left (d+e x^2\right ) \left (a+b \tan ^{-1}(c x)\right )^2 \, dx &=\int \left (d \left (a+b \tan ^{-1}(c x)\right )^2+e x^2 \left (a+b \tan ^{-1}(c x)\right )^2\right ) \, dx\\ &=d \int \left (a+b \tan ^{-1}(c x)\right )^2 \, dx+e \int x^2 \left (a+b \tan ^{-1}(c x)\right )^2 \, dx\\ &=d x \left (a+b \tan ^{-1}(c x)\right )^2+\frac{1}{3} e x^3 \left (a+b \tan ^{-1}(c x)\right )^2-(2 b c d) \int \frac{x \left (a+b \tan ^{-1}(c x)\right )}{1+c^2 x^2} \, dx-\frac{1}{3} (2 b c e) \int \frac{x^3 \left (a+b \tan ^{-1}(c x)\right )}{1+c^2 x^2} \, dx\\ &=\frac{i d \left (a+b \tan ^{-1}(c x)\right )^2}{c}+d x \left (a+b \tan ^{-1}(c x)\right )^2+\frac{1}{3} e x^3 \left (a+b \tan ^{-1}(c x)\right )^2+(2 b d) \int \frac{a+b \tan ^{-1}(c x)}{i-c x} \, dx-\frac{(2 b e) \int x \left (a+b \tan ^{-1}(c x)\right ) \, dx}{3 c}+\frac{(2 b e) \int \frac{x \left (a+b \tan ^{-1}(c x)\right )}{1+c^2 x^2} \, dx}{3 c}\\ &=-\frac{b e x^2 \left (a+b \tan ^{-1}(c x)\right )}{3 c}+\frac{i d \left (a+b \tan ^{-1}(c x)\right )^2}{c}-\frac{i e \left (a+b \tan ^{-1}(c x)\right )^2}{3 c^3}+d x \left (a+b \tan ^{-1}(c x)\right )^2+\frac{1}{3} e x^3 \left (a+b \tan ^{-1}(c x)\right )^2+\frac{2 b d \left (a+b \tan ^{-1}(c x)\right ) \log \left (\frac{2}{1+i c x}\right )}{c}-\left (2 b^2 d\right ) \int \frac{\log \left (\frac{2}{1+i c x}\right )}{1+c^2 x^2} \, dx+\frac{1}{3} \left (b^2 e\right ) \int \frac{x^2}{1+c^2 x^2} \, dx-\frac{(2 b e) \int \frac{a+b \tan ^{-1}(c x)}{i-c x} \, dx}{3 c^2}\\ &=\frac{b^2 e x}{3 c^2}-\frac{b e x^2 \left (a+b \tan ^{-1}(c x)\right )}{3 c}+\frac{i d \left (a+b \tan ^{-1}(c x)\right )^2}{c}-\frac{i e \left (a+b \tan ^{-1}(c x)\right )^2}{3 c^3}+d x \left (a+b \tan ^{-1}(c x)\right )^2+\frac{1}{3} e x^3 \left (a+b \tan ^{-1}(c x)\right )^2+\frac{2 b d \left (a+b \tan ^{-1}(c x)\right ) \log \left (\frac{2}{1+i c x}\right )}{c}-\frac{2 b e \left (a+b \tan ^{-1}(c x)\right ) \log \left (\frac{2}{1+i c x}\right )}{3 c^3}+\frac{\left (2 i b^2 d\right ) \operatorname{Subst}\left (\int \frac{\log (2 x)}{1-2 x} \, dx,x,\frac{1}{1+i c x}\right )}{c}-\frac{\left (b^2 e\right ) \int \frac{1}{1+c^2 x^2} \, dx}{3 c^2}+\frac{\left (2 b^2 e\right ) \int \frac{\log \left (\frac{2}{1+i c x}\right )}{1+c^2 x^2} \, dx}{3 c^2}\\ &=\frac{b^2 e x}{3 c^2}-\frac{b^2 e \tan ^{-1}(c x)}{3 c^3}-\frac{b e x^2 \left (a+b \tan ^{-1}(c x)\right )}{3 c}+\frac{i d \left (a+b \tan ^{-1}(c x)\right )^2}{c}-\frac{i e \left (a+b \tan ^{-1}(c x)\right )^2}{3 c^3}+d x \left (a+b \tan ^{-1}(c x)\right )^2+\frac{1}{3} e x^3 \left (a+b \tan ^{-1}(c x)\right )^2+\frac{2 b d \left (a+b \tan ^{-1}(c x)\right ) \log \left (\frac{2}{1+i c x}\right )}{c}-\frac{2 b e \left (a+b \tan ^{-1}(c x)\right ) \log \left (\frac{2}{1+i c x}\right )}{3 c^3}+\frac{i b^2 d \text{Li}_2\left (1-\frac{2}{1+i c x}\right )}{c}-\frac{\left (2 i b^2 e\right ) \operatorname{Subst}\left (\int \frac{\log (2 x)}{1-2 x} \, dx,x,\frac{1}{1+i c x}\right )}{3 c^3}\\ &=\frac{b^2 e x}{3 c^2}-\frac{b^2 e \tan ^{-1}(c x)}{3 c^3}-\frac{b e x^2 \left (a+b \tan ^{-1}(c x)\right )}{3 c}+\frac{i d \left (a+b \tan ^{-1}(c x)\right )^2}{c}-\frac{i e \left (a+b \tan ^{-1}(c x)\right )^2}{3 c^3}+d x \left (a+b \tan ^{-1}(c x)\right )^2+\frac{1}{3} e x^3 \left (a+b \tan ^{-1}(c x)\right )^2+\frac{2 b d \left (a+b \tan ^{-1}(c x)\right ) \log \left (\frac{2}{1+i c x}\right )}{c}-\frac{2 b e \left (a+b \tan ^{-1}(c x)\right ) \log \left (\frac{2}{1+i c x}\right )}{3 c^3}+\frac{i b^2 d \text{Li}_2\left (1-\frac{2}{1+i c x}\right )}{c}-\frac{i b^2 e \text{Li}_2\left (1-\frac{2}{1+i c x}\right )}{3 c^3}\\ \end{align*}
Mathematica [A] time = 0.433747, size = 208, normalized size = 0.9 \[ \frac{-i b^2 \left (3 c^2 d-e\right ) \text{PolyLog}\left (2,-e^{2 i \tan ^{-1}(c x)}\right )+3 a^2 c^3 d x+a^2 c^3 e x^3-b \tan ^{-1}(c x) \left (-2 a c^3 x \left (3 d+e x^2\right )+2 b \left (e-3 c^2 d\right ) \log \left (1+e^{2 i \tan ^{-1}(c x)}\right )+b \left (c^2 e x^2+e\right )\right )-3 a b c^2 d \log \left (c^2 x^2+1\right )-a b c^2 e x^2+a b e \log \left (c^2 x^2+1\right )+b^2 \tan ^{-1}(c x)^2 \left (c^3 \left (3 d x+e x^3\right )-3 i c^2 d+i e\right )+b^2 c e x}{3 c^3} \]
Warning: Unable to verify antiderivative.
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Maple [B] time = 0.128, size = 570, normalized size = 2.5 \begin{align*} \text{result too large to display} \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*} \frac{1}{3} \, a^{2} e x^{3} + 36 \, b^{2} c^{2} e \int \frac{x^{4} \arctan \left (c x\right )^{2}}{48 \,{\left (c^{2} x^{2} + 1\right )}}\,{d x} + 3 \, b^{2} c^{2} e \int \frac{x^{4} \log \left (c^{2} x^{2} + 1\right )^{2}}{48 \,{\left (c^{2} x^{2} + 1\right )}}\,{d x} + 4 \, b^{2} c^{2} e \int \frac{x^{4} \log \left (c^{2} x^{2} + 1\right )}{48 \,{\left (c^{2} x^{2} + 1\right )}}\,{d x} + 36 \, b^{2} c^{2} d \int \frac{x^{2} \arctan \left (c x\right )^{2}}{48 \,{\left (c^{2} x^{2} + 1\right )}}\,{d x} + 3 \, b^{2} c^{2} d \int \frac{x^{2} \log \left (c^{2} x^{2} + 1\right )^{2}}{48 \,{\left (c^{2} x^{2} + 1\right )}}\,{d x} + 12 \, b^{2} c^{2} d \int \frac{x^{2} \log \left (c^{2} x^{2} + 1\right )}{48 \,{\left (c^{2} x^{2} + 1\right )}}\,{d x} + \frac{b^{2} d \arctan \left (c x\right )^{3}}{4 \, c} - 8 \, b^{2} c e \int \frac{x^{3} \arctan \left (c x\right )}{48 \,{\left (c^{2} x^{2} + 1\right )}}\,{d x} - 24 \, b^{2} c d \int \frac{x \arctan \left (c x\right )}{48 \,{\left (c^{2} x^{2} + 1\right )}}\,{d x} + \frac{1}{3} \,{\left (2 \, x^{3} \arctan \left (c x\right ) - c{\left (\frac{x^{2}}{c^{2}} - \frac{\log \left (c^{2} x^{2} + 1\right )}{c^{4}}\right )}\right )} a b e + a^{2} d x + 36 \, b^{2} e \int \frac{x^{2} \arctan \left (c x\right )^{2}}{48 \,{\left (c^{2} x^{2} + 1\right )}}\,{d x} + 3 \, b^{2} e \int \frac{x^{2} \log \left (c^{2} x^{2} + 1\right )^{2}}{48 \,{\left (c^{2} x^{2} + 1\right )}}\,{d x} + 3 \, b^{2} d \int \frac{\log \left (c^{2} x^{2} + 1\right )^{2}}{48 \,{\left (c^{2} x^{2} + 1\right )}}\,{d x} + \frac{{\left (2 \, c x \arctan \left (c x\right ) - \log \left (c^{2} x^{2} + 1\right )\right )} a b d}{c} + \frac{1}{12} \,{\left (b^{2} e x^{3} + 3 \, b^{2} d x\right )} \arctan \left (c x\right )^{2} - \frac{1}{48} \,{\left (b^{2} e x^{3} + 3 \, b^{2} d x\right )} \log \left (c^{2} x^{2} + 1\right )^{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (a^{2} e x^{2} + a^{2} d +{\left (b^{2} e x^{2} + b^{2} d\right )} \arctan \left (c x\right )^{2} + 2 \,{\left (a b e x^{2} + a b d\right )} \arctan \left (c x\right ), x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \left (a + b \operatorname{atan}{\left (c x \right )}\right )^{2} \left (d + e x^{2}\right )\, dx \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{\left (e x^{2} + d\right )}{\left (b \arctan \left (c x\right ) + a\right )}^{2}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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