Optimal. Leaf size=176 \[ -\frac{2 \tanh ^{-1}\left (\frac{\sqrt{a \sec (c+d x)+a}}{\sqrt{a}}\right )}{a^{3/2} d}+\frac{11 \tanh ^{-1}\left (\frac{\sqrt{a \sec (c+d x)+a}}{\sqrt{2} \sqrt{a}}\right )}{16 \sqrt{2} a^{3/2} d}-\frac{3 a}{20 d (a \sec (c+d x)+a)^{5/2}}+\frac{a}{2 d (1-\sec (c+d x)) (a \sec (c+d x)+a)^{5/2}}+\frac{5}{24 d (a \sec (c+d x)+a)^{3/2}}+\frac{21}{16 a d \sqrt{a \sec (c+d x)+a}} \]
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Rubi [A] time = 0.162197, antiderivative size = 176, normalized size of antiderivative = 1., number of steps used = 10, number of rules used = 6, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.261, Rules used = {3880, 103, 152, 156, 63, 207} \[ -\frac{2 \tanh ^{-1}\left (\frac{\sqrt{a \sec (c+d x)+a}}{\sqrt{a}}\right )}{a^{3/2} d}+\frac{11 \tanh ^{-1}\left (\frac{\sqrt{a \sec (c+d x)+a}}{\sqrt{2} \sqrt{a}}\right )}{16 \sqrt{2} a^{3/2} d}-\frac{3 a}{20 d (a \sec (c+d x)+a)^{5/2}}+\frac{a}{2 d (1-\sec (c+d x)) (a \sec (c+d x)+a)^{5/2}}+\frac{5}{24 d (a \sec (c+d x)+a)^{3/2}}+\frac{21}{16 a d \sqrt{a \sec (c+d x)+a}} \]
Antiderivative was successfully verified.
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Rule 3880
Rule 103
Rule 152
Rule 156
Rule 63
Rule 207
Rubi steps
\begin{align*} \int \frac{\cot ^3(c+d x)}{(a+a \sec (c+d x))^{3/2}} \, dx &=\frac{a^4 \operatorname{Subst}\left (\int \frac{1}{x (-a+a x)^2 (a+a x)^{7/2}} \, dx,x,\sec (c+d x)\right )}{d}\\ &=\frac{a}{2 d (1-\sec (c+d x)) (a+a \sec (c+d x))^{5/2}}-\frac{a \operatorname{Subst}\left (\int \frac{2 a^2+\frac{7 a^2 x}{2}}{x (-a+a x) (a+a x)^{7/2}} \, dx,x,\sec (c+d x)\right )}{2 d}\\ &=-\frac{3 a}{20 d (a+a \sec (c+d x))^{5/2}}+\frac{a}{2 d (1-\sec (c+d x)) (a+a \sec (c+d x))^{5/2}}+\frac{\operatorname{Subst}\left (\int \frac{-10 a^4-\frac{15 a^4 x}{4}}{x (-a+a x) (a+a x)^{5/2}} \, dx,x,\sec (c+d x)\right )}{10 a^2 d}\\ &=-\frac{3 a}{20 d (a+a \sec (c+d x))^{5/2}}+\frac{a}{2 d (1-\sec (c+d x)) (a+a \sec (c+d x))^{5/2}}+\frac{5}{24 d (a+a \sec (c+d x))^{3/2}}-\frac{\operatorname{Subst}\left (\int \frac{30 a^6-\frac{75 a^6 x}{8}}{x (-a+a x) (a+a x)^{3/2}} \, dx,x,\sec (c+d x)\right )}{30 a^5 d}\\ &=-\frac{3 a}{20 d (a+a \sec (c+d x))^{5/2}}+\frac{a}{2 d (1-\sec (c+d x)) (a+a \sec (c+d x))^{5/2}}+\frac{5}{24 d (a+a \sec (c+d x))^{3/2}}+\frac{21}{16 a d \sqrt{a+a \sec (c+d x)}}+\frac{\operatorname{Subst}\left (\int \frac{-30 a^8+\frac{315 a^8 x}{16}}{x (-a+a x) \sqrt{a+a x}} \, dx,x,\sec (c+d x)\right )}{30 a^8 d}\\ &=-\frac{3 a}{20 d (a+a \sec (c+d x))^{5/2}}+\frac{a}{2 d (1-\sec (c+d x)) (a+a \sec (c+d x))^{5/2}}+\frac{5}{24 d (a+a \sec (c+d x))^{3/2}}+\frac{21}{16 a d \sqrt{a+a \sec (c+d x)}}-\frac{11 \operatorname{Subst}\left (\int \frac{1}{(-a+a x) \sqrt{a+a x}} \, dx,x,\sec (c+d x)\right )}{32 d}+\frac{\operatorname{Subst}\left (\int \frac{1}{x \sqrt{a+a x}} \, dx,x,\sec (c+d x)\right )}{a d}\\ &=-\frac{3 a}{20 d (a+a \sec (c+d x))^{5/2}}+\frac{a}{2 d (1-\sec (c+d x)) (a+a \sec (c+d x))^{5/2}}+\frac{5}{24 d (a+a \sec (c+d x))^{3/2}}+\frac{21}{16 a d \sqrt{a+a \sec (c+d x)}}+\frac{2 \operatorname{Subst}\left (\int \frac{1}{-1+\frac{x^2}{a}} \, dx,x,\sqrt{a+a \sec (c+d x)}\right )}{a^2 d}-\frac{11 \operatorname{Subst}\left (\int \frac{1}{-2 a+x^2} \, dx,x,\sqrt{a+a \sec (c+d x)}\right )}{16 a d}\\ &=-\frac{2 \tanh ^{-1}\left (\frac{\sqrt{a+a \sec (c+d x)}}{\sqrt{a}}\right )}{a^{3/2} d}+\frac{11 \tanh ^{-1}\left (\frac{\sqrt{a+a \sec (c+d x)}}{\sqrt{2} \sqrt{a}}\right )}{16 \sqrt{2} a^{3/2} d}-\frac{3 a}{20 d (a+a \sec (c+d x))^{5/2}}+\frac{a}{2 d (1-\sec (c+d x)) (a+a \sec (c+d x))^{5/2}}+\frac{5}{24 d (a+a \sec (c+d x))^{3/2}}+\frac{21}{16 a d \sqrt{a+a \sec (c+d x)}}\\ \end{align*}
Mathematica [C] time = 0.139785, size = 90, normalized size = 0.51 \[ \frac{a \left (-11 (\sec (c+d x)-1) \text{Hypergeometric2F1}\left (-\frac{5}{2},1,-\frac{3}{2},\frac{1}{2} (\sec (c+d x)+1)\right )+8 (\sec (c+d x)-1) \text{Hypergeometric2F1}\left (-\frac{5}{2},1,-\frac{3}{2},\sec (c+d x)+1\right )-10\right )}{20 d (\sec (c+d x)-1) (a (\sec (c+d x)+1))^{5/2}} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.265, size = 514, normalized size = 2.9 \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*} \int \frac{\cot \left (d x + c\right )^{3}}{{\left (a \sec \left (d x + c\right ) + a\right )}^{\frac{3}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: UnboundLocalError} \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 \frac{\cot ^{3}{\left (c + d x \right )}}{\left (a \left (\sec{\left (c + d x \right )} + 1\right )\right )^{\frac{3}{2}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 9.82777, size = 387, normalized size = 2.2 \begin{align*} \frac{\frac{165 \, \sqrt{2} \arctan \left (\frac{\sqrt{-a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} + a}}{\sqrt{-a}}\right )}{\sqrt{-a} a \mathrm{sgn}\left (\tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} - 1\right )} - \frac{960 \, \arctan \left (\frac{\sqrt{2} \sqrt{-a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} + a}}{2 \, \sqrt{-a}}\right )}{\sqrt{-a} a \mathrm{sgn}\left (\tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} - 1\right )} + \frac{15 \, \sqrt{2} \sqrt{-a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} + a}}{a^{2} \mathrm{sgn}\left (\tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} - 1\right ) \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2}} - \frac{2 \,{\left (3 \, \sqrt{2}{\left (a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} - a\right )}^{2} \sqrt{-a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} + a} a^{16} + 20 \, \sqrt{2}{\left (-a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} + a\right )}^{\frac{3}{2}} a^{17} + 165 \, \sqrt{2} \sqrt{-a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} + a} a^{18}\right )}}{a^{20} \mathrm{sgn}\left (\tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} - 1\right )}}{480 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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