Integrand size = 12, antiderivative size = 242 \[ \int (c \cot (a+b x))^{4/3} \, dx=\frac {c^{4/3} \arctan \left (\frac {\sqrt [3]{c \cot (a+b x)}}{\sqrt [3]{c}}\right )}{b}-\frac {c^{4/3} \arctan \left (\sqrt {3}-\frac {2 \sqrt [3]{c \cot (a+b x)}}{\sqrt [3]{c}}\right )}{2 b}+\frac {c^{4/3} \arctan \left (\sqrt {3}+\frac {2 \sqrt [3]{c \cot (a+b x)}}{\sqrt [3]{c}}\right )}{2 b}-\frac {3 c \sqrt [3]{c \cot (a+b x)}}{b}-\frac {\sqrt {3} c^{4/3} \log \left (c^{2/3}-\sqrt {3} \sqrt [3]{c} \sqrt [3]{c \cot (a+b x)}+(c \cot (a+b x))^{2/3}\right )}{4 b}+\frac {\sqrt {3} c^{4/3} \log \left (c^{2/3}+\sqrt {3} \sqrt [3]{c} \sqrt [3]{c \cot (a+b x)}+(c \cot (a+b x))^{2/3}\right )}{4 b} \]
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Time = 0.44 (sec) , antiderivative size = 242, normalized size of antiderivative = 1.00, number of steps used = 13, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.750, Rules used = {3554, 3557, 335, 215, 648, 632, 210, 642, 209} \[ \int (c \cot (a+b x))^{4/3} \, dx=\frac {c^{4/3} \arctan \left (\frac {\sqrt [3]{c \cot (a+b x)}}{\sqrt [3]{c}}\right )}{b}-\frac {c^{4/3} \arctan \left (\sqrt {3}-\frac {2 \sqrt [3]{c \cot (a+b x)}}{\sqrt [3]{c}}\right )}{2 b}+\frac {c^{4/3} \arctan \left (\frac {2 \sqrt [3]{c \cot (a+b x)}}{\sqrt [3]{c}}+\sqrt {3}\right )}{2 b}-\frac {\sqrt {3} c^{4/3} \log \left (-\sqrt {3} \sqrt [3]{c} \sqrt [3]{c \cot (a+b x)}+(c \cot (a+b x))^{2/3}+c^{2/3}\right )}{4 b}+\frac {\sqrt {3} c^{4/3} \log \left (\sqrt {3} \sqrt [3]{c} \sqrt [3]{c \cot (a+b x)}+(c \cot (a+b x))^{2/3}+c^{2/3}\right )}{4 b}-\frac {3 c \sqrt [3]{c \cot (a+b x)}}{b} \]
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Rule 209
Rule 210
Rule 215
Rule 335
Rule 632
Rule 642
Rule 648
Rule 3554
Rule 3557
Rubi steps \begin{align*} \text {integral}& = -\frac {3 c \sqrt [3]{c \cot (a+b x)}}{b}-c^2 \int \frac {1}{(c \cot (a+b x))^{2/3}} \, dx \\ & = -\frac {3 c \sqrt [3]{c \cot (a+b x)}}{b}+\frac {c^3 \text {Subst}\left (\int \frac {1}{x^{2/3} \left (c^2+x^2\right )} \, dx,x,c \cot (a+b x)\right )}{b} \\ & = -\frac {3 c \sqrt [3]{c \cot (a+b x)}}{b}+\frac {\left (3 c^3\right ) \text {Subst}\left (\int \frac {1}{c^2+x^6} \, dx,x,\sqrt [3]{c \cot (a+b x)}\right )}{b} \\ & = -\frac {3 c \sqrt [3]{c \cot (a+b x)}}{b}+\frac {c^{4/3} \text {Subst}\left (\int \frac {\sqrt [3]{c}-\frac {\sqrt {3} x}{2}}{c^{2/3}-\sqrt {3} \sqrt [3]{c} x+x^2} \, dx,x,\sqrt [3]{c \cot (a+b x)}\right )}{b}+\frac {c^{4/3} \text {Subst}\left (\int \frac {\sqrt [3]{c}+\frac {\sqrt {3} x}{2}}{c^{2/3}+\sqrt {3} \sqrt [3]{c} x+x^2} \, dx,x,\sqrt [3]{c \cot (a+b x)}\right )}{b}+\frac {c^{5/3} \text {Subst}\left (\int \frac {1}{c^{2/3}+x^2} \, dx,x,\sqrt [3]{c \cot (a+b x)}\right )}{b} \\ & = \frac {c^{4/3} \arctan \left (\frac {\sqrt [3]{c \cot (a+b x)}}{\sqrt [3]{c}}\right )}{b}-\frac {3 c \sqrt [3]{c \cot (a+b x)}}{b}-\frac {\left (\sqrt {3} c^{4/3}\right ) \text {Subst}\left (\int \frac {-\sqrt {3} \sqrt [3]{c}+2 x}{c^{2/3}-\sqrt {3} \sqrt [3]{c} x+x^2} \, dx,x,\sqrt [3]{c \cot (a+b x)}\right )}{4 b}+\frac {\left (\sqrt {3} c^{4/3}\right ) \text {Subst}\left (\int \frac {\sqrt {3} \sqrt [3]{c}+2 x}{c^{2/3}+\sqrt {3} \sqrt [3]{c} x+x^2} \, dx,x,\sqrt [3]{c \cot (a+b x)}\right )}{4 b}+\frac {c^{5/3} \text {Subst}\left (\int \frac {1}{c^{2/3}-\sqrt {3} \sqrt [3]{c} x+x^2} \, dx,x,\sqrt [3]{c \cot (a+b x)}\right )}{4 b}+\frac {c^{5/3} \text {Subst}\left (\int \frac {1}{c^{2/3}+\sqrt {3} \sqrt [3]{c} x+x^2} \, dx,x,\sqrt [3]{c \cot (a+b x)}\right )}{4 b} \\ & = \frac {c^{4/3} \arctan \left (\frac {\sqrt [3]{c \cot (a+b x)}}{\sqrt [3]{c}}\right )}{b}-\frac {3 c \sqrt [3]{c \cot (a+b x)}}{b}-\frac {\sqrt {3} c^{4/3} \log \left (c^{2/3}-\sqrt {3} \sqrt [3]{c} \sqrt [3]{c \cot (a+b x)}+(c \cot (a+b x))^{2/3}\right )}{4 b}+\frac {\sqrt {3} c^{4/3} \log \left (c^{2/3}+\sqrt {3} \sqrt [3]{c} \sqrt [3]{c \cot (a+b x)}+(c \cot (a+b x))^{2/3}\right )}{4 b}+\frac {c^{4/3} \text {Subst}\left (\int \frac {1}{-\frac {1}{3}-x^2} \, dx,x,1-\frac {2 \sqrt [3]{c \cot (a+b x)}}{\sqrt {3} \sqrt [3]{c}}\right )}{2 \sqrt {3} b}-\frac {c^{4/3} \text {Subst}\left (\int \frac {1}{-\frac {1}{3}-x^2} \, dx,x,1+\frac {2 \sqrt [3]{c \cot (a+b x)}}{\sqrt {3} \sqrt [3]{c}}\right )}{2 \sqrt {3} b} \\ & = \frac {c^{4/3} \arctan \left (\frac {\sqrt [3]{c \cot (a+b x)}}{\sqrt [3]{c}}\right )}{b}-\frac {c^{4/3} \arctan \left (\frac {1}{3} \left (3 \sqrt {3}-\frac {6 \sqrt [3]{c \cot (a+b x)}}{\sqrt [3]{c}}\right )\right )}{2 b}+\frac {c^{4/3} \arctan \left (\frac {1}{3} \left (3 \sqrt {3}+\frac {6 \sqrt [3]{c \cot (a+b x)}}{\sqrt [3]{c}}\right )\right )}{2 b}-\frac {3 c \sqrt [3]{c \cot (a+b x)}}{b}-\frac {\sqrt {3} c^{4/3} \log \left (c^{2/3}-\sqrt {3} \sqrt [3]{c} \sqrt [3]{c \cot (a+b x)}+(c \cot (a+b x))^{2/3}\right )}{4 b}+\frac {\sqrt {3} c^{4/3} \log \left (c^{2/3}+\sqrt {3} \sqrt [3]{c} \sqrt [3]{c \cot (a+b x)}+(c \cot (a+b x))^{2/3}\right )}{4 b} \\ \end{align*}
Result contains complex when optimal does not.
Time = 0.39 (sec) , antiderivative size = 205, normalized size of antiderivative = 0.85 \[ \int (c \cot (a+b x))^{4/3} \, dx=-\frac {c \sqrt [3]{c \cot (a+b x)} \left (6 \sqrt [6]{\cot ^2(a+b x)}-i \log \left (1-i \sqrt [6]{\cot ^2(a+b x)}\right )+i \log \left (1+i \sqrt [6]{\cot ^2(a+b x)}\right )-(-1)^{5/6} \log \left (1-\sqrt [6]{-1} \sqrt [6]{\cot ^2(a+b x)}\right )+(-1)^{5/6} \log \left (1+\sqrt [6]{-1} \sqrt [6]{\cot ^2(a+b x)}\right )-\sqrt [6]{-1} \log \left (1-(-1)^{5/6} \sqrt [6]{\cot ^2(a+b x)}\right )+\sqrt [6]{-1} \log \left (1+(-1)^{5/6} \sqrt [6]{\cot ^2(a+b x)}\right )\right )}{2 b \sqrt [6]{\cot ^2(a+b x)}} \]
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Time = 0.10 (sec) , antiderivative size = 214, normalized size of antiderivative = 0.88
method | result | size |
derivativedivides | \(-\frac {3 c \left (c \cot \left (b x +a \right )\right )^{\frac {1}{3}}}{b}-\frac {c \sqrt {3}\, \left (c^{2}\right )^{\frac {1}{6}} \ln \left (\left (c \cot \left (b x +a \right )\right )^{\frac {2}{3}}-\sqrt {3}\, \left (c^{2}\right )^{\frac {1}{6}} \left (c \cot \left (b x +a \right )\right )^{\frac {1}{3}}+\left (c^{2}\right )^{\frac {1}{3}}\right )}{4 b}+\frac {c \left (c^{2}\right )^{\frac {1}{6}} \arctan \left (\frac {2 \left (c \cot \left (b x +a \right )\right )^{\frac {1}{3}}}{\left (c^{2}\right )^{\frac {1}{6}}}-\sqrt {3}\right )}{2 b}+\frac {c \left (c^{2}\right )^{\frac {1}{6}} \arctan \left (\frac {\left (c \cot \left (b x +a \right )\right )^{\frac {1}{3}}}{\left (c^{2}\right )^{\frac {1}{6}}}\right )}{b}+\frac {c \sqrt {3}\, \left (c^{2}\right )^{\frac {1}{6}} \ln \left (\left (c \cot \left (b x +a \right )\right )^{\frac {2}{3}}+\sqrt {3}\, \left (c^{2}\right )^{\frac {1}{6}} \left (c \cot \left (b x +a \right )\right )^{\frac {1}{3}}+\left (c^{2}\right )^{\frac {1}{3}}\right )}{4 b}+\frac {c \left (c^{2}\right )^{\frac {1}{6}} \arctan \left (\frac {2 \left (c \cot \left (b x +a \right )\right )^{\frac {1}{3}}}{\left (c^{2}\right )^{\frac {1}{6}}}+\sqrt {3}\right )}{2 b}\) | \(214\) |
default | \(-\frac {3 c \left (c \cot \left (b x +a \right )\right )^{\frac {1}{3}}}{b}-\frac {c \sqrt {3}\, \left (c^{2}\right )^{\frac {1}{6}} \ln \left (\left (c \cot \left (b x +a \right )\right )^{\frac {2}{3}}-\sqrt {3}\, \left (c^{2}\right )^{\frac {1}{6}} \left (c \cot \left (b x +a \right )\right )^{\frac {1}{3}}+\left (c^{2}\right )^{\frac {1}{3}}\right )}{4 b}+\frac {c \left (c^{2}\right )^{\frac {1}{6}} \arctan \left (\frac {2 \left (c \cot \left (b x +a \right )\right )^{\frac {1}{3}}}{\left (c^{2}\right )^{\frac {1}{6}}}-\sqrt {3}\right )}{2 b}+\frac {c \left (c^{2}\right )^{\frac {1}{6}} \arctan \left (\frac {\left (c \cot \left (b x +a \right )\right )^{\frac {1}{3}}}{\left (c^{2}\right )^{\frac {1}{6}}}\right )}{b}+\frac {c \sqrt {3}\, \left (c^{2}\right )^{\frac {1}{6}} \ln \left (\left (c \cot \left (b x +a \right )\right )^{\frac {2}{3}}+\sqrt {3}\, \left (c^{2}\right )^{\frac {1}{6}} \left (c \cot \left (b x +a \right )\right )^{\frac {1}{3}}+\left (c^{2}\right )^{\frac {1}{3}}\right )}{4 b}+\frac {c \left (c^{2}\right )^{\frac {1}{6}} \arctan \left (\frac {2 \left (c \cot \left (b x +a \right )\right )^{\frac {1}{3}}}{\left (c^{2}\right )^{\frac {1}{6}}}+\sqrt {3}\right )}{2 b}\) | \(214\) |
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Leaf count of result is larger than twice the leaf count of optimal. 431 vs. \(2 (184) = 368\).
Time = 0.30 (sec) , antiderivative size = 431, normalized size of antiderivative = 1.78 \[ \int (c \cot (a+b x))^{4/3} \, dx=\frac {\left (-\frac {c^{8}}{b^{6}}\right )^{\frac {1}{6}} {\left (\sqrt {-3} b + b\right )} \log \left (c \left (\frac {c \cos \left (2 \, b x + 2 \, a\right ) + c}{\sin \left (2 \, b x + 2 \, a\right )}\right )^{\frac {1}{3}} + \frac {1}{2} \, \left (-\frac {c^{8}}{b^{6}}\right )^{\frac {1}{6}} {\left (\sqrt {-3} b + b\right )}\right ) - \left (-\frac {c^{8}}{b^{6}}\right )^{\frac {1}{6}} {\left (\sqrt {-3} b + b\right )} \log \left (c \left (\frac {c \cos \left (2 \, b x + 2 \, a\right ) + c}{\sin \left (2 \, b x + 2 \, a\right )}\right )^{\frac {1}{3}} - \frac {1}{2} \, \left (-\frac {c^{8}}{b^{6}}\right )^{\frac {1}{6}} {\left (\sqrt {-3} b + b\right )}\right ) + \left (-\frac {c^{8}}{b^{6}}\right )^{\frac {1}{6}} {\left (\sqrt {-3} b - b\right )} \log \left (c \left (\frac {c \cos \left (2 \, b x + 2 \, a\right ) + c}{\sin \left (2 \, b x + 2 \, a\right )}\right )^{\frac {1}{3}} + \frac {1}{2} \, \left (-\frac {c^{8}}{b^{6}}\right )^{\frac {1}{6}} {\left (\sqrt {-3} b - b\right )}\right ) - \left (-\frac {c^{8}}{b^{6}}\right )^{\frac {1}{6}} {\left (\sqrt {-3} b - b\right )} \log \left (c \left (\frac {c \cos \left (2 \, b x + 2 \, a\right ) + c}{\sin \left (2 \, b x + 2 \, a\right )}\right )^{\frac {1}{3}} - \frac {1}{2} \, \left (-\frac {c^{8}}{b^{6}}\right )^{\frac {1}{6}} {\left (\sqrt {-3} b - b\right )}\right ) + 2 \, \left (-\frac {c^{8}}{b^{6}}\right )^{\frac {1}{6}} b \log \left (c \left (\frac {c \cos \left (2 \, b x + 2 \, a\right ) + c}{\sin \left (2 \, b x + 2 \, a\right )}\right )^{\frac {1}{3}} + \left (-\frac {c^{8}}{b^{6}}\right )^{\frac {1}{6}} b\right ) - 2 \, \left (-\frac {c^{8}}{b^{6}}\right )^{\frac {1}{6}} b \log \left (c \left (\frac {c \cos \left (2 \, b x + 2 \, a\right ) + c}{\sin \left (2 \, b x + 2 \, a\right )}\right )^{\frac {1}{3}} - \left (-\frac {c^{8}}{b^{6}}\right )^{\frac {1}{6}} b\right ) - 12 \, c \left (\frac {c \cos \left (2 \, b x + 2 \, a\right ) + c}{\sin \left (2 \, b x + 2 \, a\right )}\right )^{\frac {1}{3}}}{4 \, b} \]
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\[ \int (c \cot (a+b x))^{4/3} \, dx=\int \left (c \cot {\left (a + b x \right )}\right )^{\frac {4}{3}}\, dx \]
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none
Time = 0.33 (sec) , antiderivative size = 196, normalized size of antiderivative = 0.81 \[ \int (c \cot (a+b x))^{4/3} \, dx=\frac {{\left (\sqrt {3} c^{\frac {1}{3}} \log \left (\sqrt {3} c^{\frac {1}{3}} \left (\frac {c}{\tan \left (b x + a\right )}\right )^{\frac {1}{3}} + c^{\frac {2}{3}} + \left (\frac {c}{\tan \left (b x + a\right )}\right )^{\frac {2}{3}}\right ) - \sqrt {3} c^{\frac {1}{3}} \log \left (-\sqrt {3} c^{\frac {1}{3}} \left (\frac {c}{\tan \left (b x + a\right )}\right )^{\frac {1}{3}} + c^{\frac {2}{3}} + \left (\frac {c}{\tan \left (b x + a\right )}\right )^{\frac {2}{3}}\right ) + 2 \, c^{\frac {1}{3}} \arctan \left (\frac {\sqrt {3} c^{\frac {1}{3}} + 2 \, \left (\frac {c}{\tan \left (b x + a\right )}\right )^{\frac {1}{3}}}{c^{\frac {1}{3}}}\right ) + 2 \, c^{\frac {1}{3}} \arctan \left (-\frac {\sqrt {3} c^{\frac {1}{3}} - 2 \, \left (\frac {c}{\tan \left (b x + a\right )}\right )^{\frac {1}{3}}}{c^{\frac {1}{3}}}\right ) + 4 \, c^{\frac {1}{3}} \arctan \left (\frac {\left (\frac {c}{\tan \left (b x + a\right )}\right )^{\frac {1}{3}}}{c^{\frac {1}{3}}}\right ) - 12 \, \left (\frac {c}{\tan \left (b x + a\right )}\right )^{\frac {1}{3}}\right )} c}{4 \, b} \]
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\[ \int (c \cot (a+b x))^{4/3} \, dx=\int { \left (c \cot \left (b x + a\right )\right )^{\frac {4}{3}} \,d x } \]
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Time = 12.89 (sec) , antiderivative size = 246, normalized size of antiderivative = 1.02 \[ \int (c \cot (a+b x))^{4/3} \, dx=-\frac {3\,c\,{\left (c\,\mathrm {cot}\left (a+b\,x\right )\right )}^{1/3}}{b}+\frac {{\left (-1\right )}^{1/6}\,c^{4/3}\,\mathrm {atan}\left (\frac {{\left (-1\right )}^{5/6}\,{\left (c\,\mathrm {cot}\left (a+b\,x\right )\right )}^{1/3}\,1{}\mathrm {i}}{c^{1/3}}\right )\,1{}\mathrm {i}}{b}-\frac {{\left (-1\right )}^{1/6}\,c^{4/3}\,\ln \left ({\left (-1\right )}^{1/6}\,c^{1/3}-2\,{\left (c\,\mathrm {cot}\left (a+b\,x\right )\right )}^{1/3}+{\left (-1\right )}^{2/3}\,\sqrt {3}\,c^{1/3}\right )\,\left (\frac {1}{2}+\frac {\sqrt {3}\,1{}\mathrm {i}}{2}\right )}{2\,b}-\frac {{\left (-1\right )}^{1/6}\,c^{4/3}\,\ln \left (2\,{\left (c\,\mathrm {cot}\left (a+b\,x\right )\right )}^{1/3}+{\left (-1\right )}^{1/6}\,c^{1/3}-{\left (-1\right )}^{2/3}\,\sqrt {3}\,c^{1/3}\right )\,\left (-\frac {1}{2}+\frac {\sqrt {3}\,1{}\mathrm {i}}{2}\right )}{2\,b}+\frac {{\left (-1\right )}^{1/6}\,c^{4/3}\,\ln \left (2\,{\left (c\,\mathrm {cot}\left (a+b\,x\right )\right )}^{1/3}+{\left (-1\right )}^{1/6}\,c^{1/3}+{\left (-1\right )}^{2/3}\,\sqrt {3}\,c^{1/3}\right )\,\left (\frac {1}{4}+\frac {\sqrt {3}\,1{}\mathrm {i}}{4}\right )}{b}+\frac {{\left (-1\right )}^{1/6}\,c^{4/3}\,\ln \left (2\,{\left (c\,\mathrm {cot}\left (a+b\,x\right )\right )}^{1/3}-{\left (-1\right )}^{1/6}\,c^{1/3}+{\left (-1\right )}^{2/3}\,\sqrt {3}\,c^{1/3}\right )\,\left (-\frac {1}{4}+\frac {\sqrt {3}\,1{}\mathrm {i}}{4}\right )}{b} \]
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