Optimal. Leaf size=268 \[ \frac{2 \left (a^2-b^2\right ) \cot ^{\frac{3}{2}}(c+d x)}{3 d}-\frac{\left (a^2-2 a b-b^2\right ) \log \left (\cot (c+d x)-\sqrt{2} \sqrt{\cot (c+d x)}+1\right )}{2 \sqrt{2} d}+\frac{\left (a^2-2 a b-b^2\right ) \log \left (\cot (c+d x)+\sqrt{2} \sqrt{\cot (c+d x)}+1\right )}{2 \sqrt{2} d}+\frac{\left (a^2+2 a b-b^2\right ) \tan ^{-1}\left (1-\sqrt{2} \sqrt{\cot (c+d x)}\right )}{\sqrt{2} d}-\frac{\left (a^2+2 a b-b^2\right ) \tan ^{-1}\left (\sqrt{2} \sqrt{\cot (c+d x)}+1\right )}{\sqrt{2} d}-\frac{2 a^2 \cot ^{\frac{7}{2}}(c+d x)}{7 d}-\frac{4 a b \cot ^{\frac{5}{2}}(c+d x)}{5 d}+\frac{4 a b \sqrt{\cot (c+d x)}}{d} \]
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Rubi [A] time = 0.28773, antiderivative size = 268, normalized size of antiderivative = 1., number of steps used = 15, number of rules used = 10, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.435, Rules used = {3673, 3543, 3528, 3534, 1168, 1162, 617, 204, 1165, 628} \[ \frac{2 \left (a^2-b^2\right ) \cot ^{\frac{3}{2}}(c+d x)}{3 d}-\frac{\left (a^2-2 a b-b^2\right ) \log \left (\cot (c+d x)-\sqrt{2} \sqrt{\cot (c+d x)}+1\right )}{2 \sqrt{2} d}+\frac{\left (a^2-2 a b-b^2\right ) \log \left (\cot (c+d x)+\sqrt{2} \sqrt{\cot (c+d x)}+1\right )}{2 \sqrt{2} d}+\frac{\left (a^2+2 a b-b^2\right ) \tan ^{-1}\left (1-\sqrt{2} \sqrt{\cot (c+d x)}\right )}{\sqrt{2} d}-\frac{\left (a^2+2 a b-b^2\right ) \tan ^{-1}\left (\sqrt{2} \sqrt{\cot (c+d x)}+1\right )}{\sqrt{2} d}-\frac{2 a^2 \cot ^{\frac{7}{2}}(c+d x)}{7 d}-\frac{4 a b \cot ^{\frac{5}{2}}(c+d x)}{5 d}+\frac{4 a b \sqrt{\cot (c+d x)}}{d} \]
Antiderivative was successfully verified.
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Rule 3673
Rule 3543
Rule 3528
Rule 3534
Rule 1168
Rule 1162
Rule 617
Rule 204
Rule 1165
Rule 628
Rubi steps
\begin{align*} \int \cot ^{\frac{9}{2}}(c+d x) (a+b \tan (c+d x))^2 \, dx &=\int \cot ^{\frac{5}{2}}(c+d x) (b+a \cot (c+d x))^2 \, dx\\ &=-\frac{2 a^2 \cot ^{\frac{7}{2}}(c+d x)}{7 d}+\int \cot ^{\frac{5}{2}}(c+d x) \left (-a^2+b^2+2 a b \cot (c+d x)\right ) \, dx\\ &=-\frac{4 a b \cot ^{\frac{5}{2}}(c+d x)}{5 d}-\frac{2 a^2 \cot ^{\frac{7}{2}}(c+d x)}{7 d}+\int \cot ^{\frac{3}{2}}(c+d x) \left (-2 a b-\left (a^2-b^2\right ) \cot (c+d x)\right ) \, dx\\ &=\frac{2 \left (a^2-b^2\right ) \cot ^{\frac{3}{2}}(c+d x)}{3 d}-\frac{4 a b \cot ^{\frac{5}{2}}(c+d x)}{5 d}-\frac{2 a^2 \cot ^{\frac{7}{2}}(c+d x)}{7 d}+\int \sqrt{\cot (c+d x)} \left (a^2-b^2-2 a b \cot (c+d x)\right ) \, dx\\ &=\frac{4 a b \sqrt{\cot (c+d x)}}{d}+\frac{2 \left (a^2-b^2\right ) \cot ^{\frac{3}{2}}(c+d x)}{3 d}-\frac{4 a b \cot ^{\frac{5}{2}}(c+d x)}{5 d}-\frac{2 a^2 \cot ^{\frac{7}{2}}(c+d x)}{7 d}+\int \frac{2 a b+\left (a^2-b^2\right ) \cot (c+d x)}{\sqrt{\cot (c+d x)}} \, dx\\ &=\frac{4 a b \sqrt{\cot (c+d x)}}{d}+\frac{2 \left (a^2-b^2\right ) \cot ^{\frac{3}{2}}(c+d x)}{3 d}-\frac{4 a b \cot ^{\frac{5}{2}}(c+d x)}{5 d}-\frac{2 a^2 \cot ^{\frac{7}{2}}(c+d x)}{7 d}+\frac{2 \operatorname{Subst}\left (\int \frac{-2 a b+\left (-a^2+b^2\right ) x^2}{1+x^4} \, dx,x,\sqrt{\cot (c+d x)}\right )}{d}\\ &=\frac{4 a b \sqrt{\cot (c+d x)}}{d}+\frac{2 \left (a^2-b^2\right ) \cot ^{\frac{3}{2}}(c+d x)}{3 d}-\frac{4 a b \cot ^{\frac{5}{2}}(c+d x)}{5 d}-\frac{2 a^2 \cot ^{\frac{7}{2}}(c+d x)}{7 d}+\frac{\left (a^2-2 a b-b^2\right ) \operatorname{Subst}\left (\int \frac{1-x^2}{1+x^4} \, dx,x,\sqrt{\cot (c+d x)}\right )}{d}-\frac{\left (a^2+2 a b-b^2\right ) \operatorname{Subst}\left (\int \frac{1+x^2}{1+x^4} \, dx,x,\sqrt{\cot (c+d x)}\right )}{d}\\ &=\frac{4 a b \sqrt{\cot (c+d x)}}{d}+\frac{2 \left (a^2-b^2\right ) \cot ^{\frac{3}{2}}(c+d x)}{3 d}-\frac{4 a b \cot ^{\frac{5}{2}}(c+d x)}{5 d}-\frac{2 a^2 \cot ^{\frac{7}{2}}(c+d x)}{7 d}-\frac{\left (a^2-2 a b-b^2\right ) \operatorname{Subst}\left (\int \frac{\sqrt{2}+2 x}{-1-\sqrt{2} x-x^2} \, dx,x,\sqrt{\cot (c+d x)}\right )}{2 \sqrt{2} d}-\frac{\left (a^2-2 a b-b^2\right ) \operatorname{Subst}\left (\int \frac{\sqrt{2}-2 x}{-1+\sqrt{2} x-x^2} \, dx,x,\sqrt{\cot (c+d x)}\right )}{2 \sqrt{2} d}-\frac{\left (a^2+2 a b-b^2\right ) \operatorname{Subst}\left (\int \frac{1}{1-\sqrt{2} x+x^2} \, dx,x,\sqrt{\cot (c+d x)}\right )}{2 d}-\frac{\left (a^2+2 a b-b^2\right ) \operatorname{Subst}\left (\int \frac{1}{1+\sqrt{2} x+x^2} \, dx,x,\sqrt{\cot (c+d x)}\right )}{2 d}\\ &=\frac{4 a b \sqrt{\cot (c+d x)}}{d}+\frac{2 \left (a^2-b^2\right ) \cot ^{\frac{3}{2}}(c+d x)}{3 d}-\frac{4 a b \cot ^{\frac{5}{2}}(c+d x)}{5 d}-\frac{2 a^2 \cot ^{\frac{7}{2}}(c+d x)}{7 d}-\frac{\left (a^2-2 a b-b^2\right ) \log \left (1-\sqrt{2} \sqrt{\cot (c+d x)}+\cot (c+d x)\right )}{2 \sqrt{2} d}+\frac{\left (a^2-2 a b-b^2\right ) \log \left (1+\sqrt{2} \sqrt{\cot (c+d x)}+\cot (c+d x)\right )}{2 \sqrt{2} d}-\frac{\left (a^2+2 a b-b^2\right ) \operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1-\sqrt{2} \sqrt{\cot (c+d x)}\right )}{\sqrt{2} d}+\frac{\left (a^2+2 a b-b^2\right ) \operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1+\sqrt{2} \sqrt{\cot (c+d x)}\right )}{\sqrt{2} d}\\ &=\frac{\left (a^2+2 a b-b^2\right ) \tan ^{-1}\left (1-\sqrt{2} \sqrt{\cot (c+d x)}\right )}{\sqrt{2} d}-\frac{\left (a^2+2 a b-b^2\right ) \tan ^{-1}\left (1+\sqrt{2} \sqrt{\cot (c+d x)}\right )}{\sqrt{2} d}+\frac{4 a b \sqrt{\cot (c+d x)}}{d}+\frac{2 \left (a^2-b^2\right ) \cot ^{\frac{3}{2}}(c+d x)}{3 d}-\frac{4 a b \cot ^{\frac{5}{2}}(c+d x)}{5 d}-\frac{2 a^2 \cot ^{\frac{7}{2}}(c+d x)}{7 d}-\frac{\left (a^2-2 a b-b^2\right ) \log \left (1-\sqrt{2} \sqrt{\cot (c+d x)}+\cot (c+d x)\right )}{2 \sqrt{2} d}+\frac{\left (a^2-2 a b-b^2\right ) \log \left (1+\sqrt{2} \sqrt{\cot (c+d x)}+\cot (c+d x)\right )}{2 \sqrt{2} d}\\ \end{align*}
Mathematica [C] time = 1.46909, size = 215, normalized size = 0.8 \[ -\frac{\frac{2}{3} \left (a^2-b^2\right ) \cot ^{\frac{3}{2}}(c+d x) \left (\, _2F_1\left (\frac{3}{4},1;\frac{7}{4};-\cot ^2(c+d x)\right )-1\right )+\frac{2}{7} a^2 \cot ^{\frac{7}{2}}(c+d x)+\frac{1}{10} a b \left (8 \cot ^{\frac{5}{2}}(c+d x)-40 \sqrt{\cot (c+d x)}-5 \sqrt{2} \log \left (\cot (c+d x)-\sqrt{2} \sqrt{\cot (c+d x)}+1\right )+5 \sqrt{2} \log \left (\cot (c+d x)+\sqrt{2} \sqrt{\cot (c+d x)}+1\right )-10 \sqrt{2} \tan ^{-1}\left (1-\sqrt{2} \sqrt{\cot (c+d x)}\right )+10 \sqrt{2} \tan ^{-1}\left (\sqrt{2} \sqrt{\cot (c+d x)}+1\right )\right )}{d} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.458, size = 7157, normalized size = 26.7 \begin{align*} \text{output too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.68228, size = 298, normalized size = 1.11 \begin{align*} -\frac{210 \, \sqrt{2}{\left (a^{2} + 2 \, a b - b^{2}\right )} \arctan \left (\frac{1}{2} \, \sqrt{2}{\left (\sqrt{2} + \frac{2}{\sqrt{\tan \left (d x + c\right )}}\right )}\right ) + 210 \, \sqrt{2}{\left (a^{2} + 2 \, a b - b^{2}\right )} \arctan \left (-\frac{1}{2} \, \sqrt{2}{\left (\sqrt{2} - \frac{2}{\sqrt{\tan \left (d x + c\right )}}\right )}\right ) - 105 \, \sqrt{2}{\left (a^{2} - 2 \, a b - b^{2}\right )} \log \left (\frac{\sqrt{2}}{\sqrt{\tan \left (d x + c\right )}} + \frac{1}{\tan \left (d x + c\right )} + 1\right ) + 105 \, \sqrt{2}{\left (a^{2} - 2 \, a b - b^{2}\right )} \log \left (-\frac{\sqrt{2}}{\sqrt{\tan \left (d x + c\right )}} + \frac{1}{\tan \left (d x + c\right )} + 1\right ) - \frac{1680 \, a b}{\sqrt{\tan \left (d x + c\right )}} + \frac{336 \, a b}{\tan \left (d x + c\right )^{\frac{5}{2}}} - \frac{280 \,{\left (a^{2} - b^{2}\right )}}{\tan \left (d x + c\right )^{\frac{3}{2}}} + \frac{120 \, a^{2}}{\tan \left (d x + c\right )^{\frac{7}{2}}}}{420 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [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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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{\left (b \tan \left (d x + c\right ) + a\right )}^{2} \cot \left (d x + c\right )^{\frac{9}{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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