Integrand size = 26, antiderivative size = 315 \[ \int \cot ^2(c+d x) (a+i a \tan (c+d x))^{4/3} \, dx=\frac {a^{4/3} x}{2^{2/3}}-\frac {4 i a^{4/3} \arctan \left (\frac {\sqrt [3]{a}+2 \sqrt [3]{a+i a \tan (c+d x)}}{\sqrt {3} \sqrt [3]{a}}\right )}{\sqrt {3} d}+\frac {i \sqrt [3]{2} \sqrt {3} a^{4/3} \arctan \left (\frac {\sqrt [3]{a}+2^{2/3} \sqrt [3]{a+i a \tan (c+d x)}}{\sqrt {3} \sqrt [3]{a}}\right )}{d}-\frac {i a^{4/3} \log (\cos (c+d x))}{2^{2/3} d}-\frac {2 i a^{4/3} \log (\tan (c+d x))}{3 d}+\frac {2 i a^{4/3} \log \left (\sqrt [3]{a}-\sqrt [3]{a+i a \tan (c+d x)}\right )}{d}-\frac {3 i a^{4/3} \log \left (\sqrt [3]{2} \sqrt [3]{a}-\sqrt [3]{a+i a \tan (c+d x)}\right )}{2^{2/3} d}+\frac {i a \sqrt [3]{a+i a \tan (c+d x)}}{d}-\frac {\cot (c+d x) (a+i a \tan (c+d x))^{4/3}}{d} \]
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Time = 0.69 (sec) , antiderivative size = 315, normalized size of antiderivative = 1.00, number of steps used = 13, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.346, Rules used = {3642, 3675, 3681, 3562, 59, 631, 210, 31, 3680} \[ \int \cot ^2(c+d x) (a+i a \tan (c+d x))^{4/3} \, dx=-\frac {4 i a^{4/3} \arctan \left (\frac {\sqrt [3]{a}+2 \sqrt [3]{a+i a \tan (c+d x)}}{\sqrt {3} \sqrt [3]{a}}\right )}{\sqrt {3} d}+\frac {i \sqrt [3]{2} \sqrt {3} a^{4/3} \arctan \left (\frac {\sqrt [3]{a}+2^{2/3} \sqrt [3]{a+i a \tan (c+d x)}}{\sqrt {3} \sqrt [3]{a}}\right )}{d}-\frac {2 i a^{4/3} \log (\tan (c+d x))}{3 d}+\frac {2 i a^{4/3} \log \left (\sqrt [3]{a}-\sqrt [3]{a+i a \tan (c+d x)}\right )}{d}-\frac {3 i a^{4/3} \log \left (\sqrt [3]{2} \sqrt [3]{a}-\sqrt [3]{a+i a \tan (c+d x)}\right )}{2^{2/3} d}-\frac {i a^{4/3} \log (\cos (c+d x))}{2^{2/3} d}+\frac {a^{4/3} x}{2^{2/3}}+\frac {i a \sqrt [3]{a+i a \tan (c+d x)}}{d}-\frac {\cot (c+d x) (a+i a \tan (c+d x))^{4/3}}{d} \]
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Rule 31
Rule 59
Rule 210
Rule 631
Rule 3562
Rule 3642
Rule 3675
Rule 3680
Rule 3681
Rubi steps \begin{align*} \text {integral}& = -\frac {\cot (c+d x) (a+i a \tan (c+d x))^{4/3}}{d}+\frac {\int \cot (c+d x) (a+i a \tan (c+d x))^{4/3} \left (\frac {4 i a}{3}+\frac {1}{3} a \tan (c+d x)\right ) \, dx}{a} \\ & = \frac {i a \sqrt [3]{a+i a \tan (c+d x)}}{d}-\frac {\cot (c+d x) (a+i a \tan (c+d x))^{4/3}}{d}+\frac {3 \int \cot (c+d x) \sqrt [3]{a+i a \tan (c+d x)} \left (\frac {4 i a^2}{9}-\frac {2}{9} a^2 \tan (c+d x)\right ) \, dx}{a} \\ & = \frac {i a \sqrt [3]{a+i a \tan (c+d x)}}{d}-\frac {\cot (c+d x) (a+i a \tan (c+d x))^{4/3}}{d}+\frac {4}{3} i \int \cot (c+d x) (a-i a \tan (c+d x)) \sqrt [3]{a+i a \tan (c+d x)} \, dx-(2 a) \int \sqrt [3]{a+i a \tan (c+d x)} \, dx \\ & = \frac {i a \sqrt [3]{a+i a \tan (c+d x)}}{d}-\frac {\cot (c+d x) (a+i a \tan (c+d x))^{4/3}}{d}+\frac {\left (4 i a^2\right ) \text {Subst}\left (\int \frac {1}{x (a+i a x)^{2/3}} \, dx,x,\tan (c+d x)\right )}{3 d}+\frac {\left (2 i a^2\right ) \text {Subst}\left (\int \frac {1}{(a-x) (a+x)^{2/3}} \, dx,x,i a \tan (c+d x)\right )}{d} \\ & = \frac {a^{4/3} x}{2^{2/3}}-\frac {i a^{4/3} \log (\cos (c+d x))}{2^{2/3} d}-\frac {2 i a^{4/3} \log (\tan (c+d x))}{3 d}+\frac {i a \sqrt [3]{a+i a \tan (c+d x)}}{d}-\frac {\cot (c+d x) (a+i a \tan (c+d x))^{4/3}}{d}-\frac {\left (2 i a^{4/3}\right ) \text {Subst}\left (\int \frac {1}{\sqrt [3]{a}-x} \, dx,x,\sqrt [3]{a+i a \tan (c+d x)}\right )}{d}+\frac {\left (3 i a^{4/3}\right ) \text {Subst}\left (\int \frac {1}{\sqrt [3]{2} \sqrt [3]{a}-x} \, dx,x,\sqrt [3]{a+i a \tan (c+d x)}\right )}{2^{2/3} d}-\frac {\left (2 i a^{5/3}\right ) \text {Subst}\left (\int \frac {1}{a^{2/3}+\sqrt [3]{a} x+x^2} \, dx,x,\sqrt [3]{a+i a \tan (c+d x)}\right )}{d}+\frac {\left (3 i a^{5/3}\right ) \text {Subst}\left (\int \frac {1}{2^{2/3} a^{2/3}+\sqrt [3]{2} \sqrt [3]{a} x+x^2} \, dx,x,\sqrt [3]{a+i a \tan (c+d x)}\right )}{\sqrt [3]{2} d} \\ & = \frac {a^{4/3} x}{2^{2/3}}-\frac {i a^{4/3} \log (\cos (c+d x))}{2^{2/3} d}-\frac {2 i a^{4/3} \log (\tan (c+d x))}{3 d}+\frac {2 i a^{4/3} \log \left (\sqrt [3]{a}-\sqrt [3]{a+i a \tan (c+d x)}\right )}{d}-\frac {3 i a^{4/3} \log \left (\sqrt [3]{2} \sqrt [3]{a}-\sqrt [3]{a+i a \tan (c+d x)}\right )}{2^{2/3} d}+\frac {i a \sqrt [3]{a+i a \tan (c+d x)}}{d}-\frac {\cot (c+d x) (a+i a \tan (c+d x))^{4/3}}{d}+\frac {\left (4 i a^{4/3}\right ) \text {Subst}\left (\int \frac {1}{-3-x^2} \, dx,x,1+\frac {2 \sqrt [3]{a+i a \tan (c+d x)}}{\sqrt [3]{a}}\right )}{d}-\frac {\left (3 i \sqrt [3]{2} a^{4/3}\right ) \text {Subst}\left (\int \frac {1}{-3-x^2} \, dx,x,1+\frac {2^{2/3} \sqrt [3]{a+i a \tan (c+d x)}}{\sqrt [3]{a}}\right )}{d} \\ & = \frac {a^{4/3} x}{2^{2/3}}-\frac {4 i a^{4/3} \arctan \left (\frac {1+\frac {2 \sqrt [3]{a+i a \tan (c+d x)}}{\sqrt [3]{a}}}{\sqrt {3}}\right )}{\sqrt {3} d}+\frac {i \sqrt [3]{2} \sqrt {3} a^{4/3} \arctan \left (\frac {1+\frac {2^{2/3} \sqrt [3]{a+i a \tan (c+d x)}}{\sqrt [3]{a}}}{\sqrt {3}}\right )}{d}-\frac {i a^{4/3} \log (\cos (c+d x))}{2^{2/3} d}-\frac {2 i a^{4/3} \log (\tan (c+d x))}{3 d}+\frac {2 i a^{4/3} \log \left (\sqrt [3]{a}-\sqrt [3]{a+i a \tan (c+d x)}\right )}{d}-\frac {3 i a^{4/3} \log \left (\sqrt [3]{2} \sqrt [3]{a}-\sqrt [3]{a+i a \tan (c+d x)}\right )}{2^{2/3} d}+\frac {i a \sqrt [3]{a+i a \tan (c+d x)}}{d}-\frac {\cot (c+d x) (a+i a \tan (c+d x))^{4/3}}{d} \\ \end{align*}
Time = 0.97 (sec) , antiderivative size = 342, normalized size of antiderivative = 1.09 \[ \int \cot ^2(c+d x) (a+i a \tan (c+d x))^{4/3} \, dx=-\frac {i \left (8 \sqrt {3} a^{4/3} \arctan \left (\frac {\sqrt [3]{a}+2 \sqrt [3]{a+i a \tan (c+d x)}}{\sqrt {3} \sqrt [3]{a}}\right )-6 \sqrt [3]{2} \sqrt {3} a^{4/3} \arctan \left (\frac {1+\frac {2^{2/3} \sqrt [3]{a+i a \tan (c+d x)}}{\sqrt [3]{a}}}{\sqrt {3}}\right )-8 a^{4/3} \log \left (\sqrt [3]{a}-\sqrt [3]{a+i a \tan (c+d x)}\right )+6 \sqrt [3]{2} a^{4/3} \log \left (\sqrt [3]{2} \sqrt [3]{a}-\sqrt [3]{a+i a \tan (c+d x)}\right )+4 a^{4/3} \log \left (a^{2/3}+\sqrt [3]{a} \sqrt [3]{a+i a \tan (c+d x)}+(a+i a \tan (c+d x))^{2/3}\right )-3 \sqrt [3]{2} a^{4/3} \log \left (2^{2/3} a^{2/3}+\sqrt [3]{2} \sqrt [3]{a} \sqrt [3]{a+i a \tan (c+d x)}+(a+i a \tan (c+d x))^{2/3}\right )-6 i a \cot (c+d x) \sqrt [3]{a+i a \tan (c+d x)}\right )}{6 d} \]
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Time = 0.70 (sec) , antiderivative size = 278, normalized size of antiderivative = 0.88
method | result | size |
derivativedivides | \(\frac {3 i a^{3} \left (-\frac {2 \left (\frac {2^{\frac {1}{3}} \ln \left (\left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}-2^{\frac {1}{3}} a^{\frac {1}{3}}\right )}{6 a^{\frac {2}{3}}}-\frac {2^{\frac {1}{3}} \ln \left (\left (a +i a \tan \left (d x +c \right )\right )^{\frac {2}{3}}+2^{\frac {1}{3}} a^{\frac {1}{3}} \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}+2^{\frac {2}{3}} a^{\frac {2}{3}}\right )}{12 a^{\frac {2}{3}}}-\frac {2^{\frac {1}{3}} \sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (\frac {2^{\frac {2}{3}} \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}}{a^{\frac {1}{3}}}+1\right )}{3}\right )}{6 a^{\frac {2}{3}}}\right )}{a}-\frac {-\frac {i \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}}{3 a \tan \left (d x +c \right )}-\frac {4 \ln \left (\left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}-a^{\frac {1}{3}}\right )}{9 a^{\frac {2}{3}}}+\frac {2 \ln \left (\left (a +i a \tan \left (d x +c \right )\right )^{\frac {2}{3}}+a^{\frac {1}{3}} \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}+a^{\frac {2}{3}}\right )}{9 a^{\frac {2}{3}}}+\frac {4 \sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (\frac {2 \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}}{a^{\frac {1}{3}}}+1\right )}{3}\right )}{9 a^{\frac {2}{3}}}}{a}\right )}{d}\) | \(278\) |
default | \(\frac {3 i a^{3} \left (-\frac {2 \left (\frac {2^{\frac {1}{3}} \ln \left (\left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}-2^{\frac {1}{3}} a^{\frac {1}{3}}\right )}{6 a^{\frac {2}{3}}}-\frac {2^{\frac {1}{3}} \ln \left (\left (a +i a \tan \left (d x +c \right )\right )^{\frac {2}{3}}+2^{\frac {1}{3}} a^{\frac {1}{3}} \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}+2^{\frac {2}{3}} a^{\frac {2}{3}}\right )}{12 a^{\frac {2}{3}}}-\frac {2^{\frac {1}{3}} \sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (\frac {2^{\frac {2}{3}} \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}}{a^{\frac {1}{3}}}+1\right )}{3}\right )}{6 a^{\frac {2}{3}}}\right )}{a}-\frac {-\frac {i \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}}{3 a \tan \left (d x +c \right )}-\frac {4 \ln \left (\left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}-a^{\frac {1}{3}}\right )}{9 a^{\frac {2}{3}}}+\frac {2 \ln \left (\left (a +i a \tan \left (d x +c \right )\right )^{\frac {2}{3}}+a^{\frac {1}{3}} \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}+a^{\frac {2}{3}}\right )}{9 a^{\frac {2}{3}}}+\frac {4 \sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (\frac {2 \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}}{a^{\frac {1}{3}}}+1\right )}{3}\right )}{9 a^{\frac {2}{3}}}}{a}\right )}{d}\) | \(278\) |
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 622 vs. \(2 (232) = 464\).
Time = 0.26 (sec) , antiderivative size = 622, normalized size of antiderivative = 1.97 \[ \int \cot ^2(c+d x) (a+i a \tan (c+d x))^{4/3} \, dx=-\frac {2 \cdot 2^{\frac {1}{3}} {\left (i \, a e^{\left (2 i \, d x + 2 i \, c\right )} + i \, a\right )} \left (\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}\right )^{\frac {1}{3}} e^{\left (\frac {2}{3} i \, d x + \frac {2}{3} i \, c\right )} - {\left ({\left (i \, \sqrt {3} d - d\right )} e^{\left (2 i \, d x + 2 i \, c\right )} - i \, \sqrt {3} d + d\right )} \left (-\frac {64 i \, a^{4}}{27 \, d^{3}}\right )^{\frac {1}{3}} \log \left (\frac {8 \cdot 2^{\frac {1}{3}} a \left (\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}\right )^{\frac {1}{3}} e^{\left (\frac {2}{3} i \, d x + \frac {2}{3} i \, c\right )} - 3 \, {\left (\sqrt {3} d + i \, d\right )} \left (-\frac {64 i \, a^{4}}{27 \, d^{3}}\right )^{\frac {1}{3}}}{8 \, a}\right ) - {\left ({\left (-i \, \sqrt {3} d - d\right )} e^{\left (2 i \, d x + 2 i \, c\right )} + i \, \sqrt {3} d + d\right )} \left (-\frac {64 i \, a^{4}}{27 \, d^{3}}\right )^{\frac {1}{3}} \log \left (\frac {8 \cdot 2^{\frac {1}{3}} a \left (\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}\right )^{\frac {1}{3}} e^{\left (\frac {2}{3} i \, d x + \frac {2}{3} i \, c\right )} + 3 \, {\left (\sqrt {3} d - i \, d\right )} \left (-\frac {64 i \, a^{4}}{27 \, d^{3}}\right )^{\frac {1}{3}}}{8 \, a}\right ) - 2 \, {\left (d e^{\left (2 i \, d x + 2 i \, c\right )} - d\right )} \left (-\frac {64 i \, a^{4}}{27 \, d^{3}}\right )^{\frac {1}{3}} \log \left (\frac {4 \cdot 2^{\frac {1}{3}} a \left (\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}\right )^{\frac {1}{3}} e^{\left (\frac {2}{3} i \, d x + \frac {2}{3} i \, c\right )} + 3 i \, \left (-\frac {64 i \, a^{4}}{27 \, d^{3}}\right )^{\frac {1}{3}} d}{4 \, a}\right ) - {\left ({\left (i \, \sqrt {3} d - d\right )} e^{\left (2 i \, d x + 2 i \, c\right )} - i \, \sqrt {3} d + d\right )} \left (\frac {2 i \, a^{4}}{d^{3}}\right )^{\frac {1}{3}} \log \left (\frac {2 \cdot 2^{\frac {1}{3}} a \left (\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}\right )^{\frac {1}{3}} e^{\left (\frac {2}{3} i \, d x + \frac {2}{3} i \, c\right )} + {\left (\sqrt {3} d + i \, d\right )} \left (\frac {2 i \, a^{4}}{d^{3}}\right )^{\frac {1}{3}}}{2 \, a}\right ) - {\left ({\left (-i \, \sqrt {3} d - d\right )} e^{\left (2 i \, d x + 2 i \, c\right )} + i \, \sqrt {3} d + d\right )} \left (\frac {2 i \, a^{4}}{d^{3}}\right )^{\frac {1}{3}} \log \left (\frac {2 \cdot 2^{\frac {1}{3}} a \left (\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}\right )^{\frac {1}{3}} e^{\left (\frac {2}{3} i \, d x + \frac {2}{3} i \, c\right )} - {\left (\sqrt {3} d - i \, d\right )} \left (\frac {2 i \, a^{4}}{d^{3}}\right )^{\frac {1}{3}}}{2 \, a}\right ) - 2 \, {\left (d e^{\left (2 i \, d x + 2 i \, c\right )} - d\right )} \left (\frac {2 i \, a^{4}}{d^{3}}\right )^{\frac {1}{3}} \log \left (\frac {2^{\frac {1}{3}} a \left (\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}\right )^{\frac {1}{3}} e^{\left (\frac {2}{3} i \, d x + \frac {2}{3} i \, c\right )} - i \, \left (\frac {2 i \, a^{4}}{d^{3}}\right )^{\frac {1}{3}} d}{a}\right )}{2 \, {\left (d e^{\left (2 i \, d x + 2 i \, c\right )} - d\right )}} \]
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\[ \int \cot ^2(c+d x) (a+i a \tan (c+d x))^{4/3} \, dx=\int \left (i a \left (\tan {\left (c + d x \right )} - i\right )\right )^{\frac {4}{3}} \cot ^{2}{\left (c + d x \right )}\, dx \]
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Time = 0.31 (sec) , antiderivative size = 258, normalized size of antiderivative = 0.82 \[ \int \cot ^2(c+d x) (a+i a \tan (c+d x))^{4/3} \, dx=\frac {i \, {\left (6 \, \sqrt {3} 2^{\frac {1}{3}} a^{\frac {1}{3}} \arctan \left (\frac {\sqrt {3} 2^{\frac {2}{3}} {\left (2^{\frac {1}{3}} a^{\frac {1}{3}} + 2 \, {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {1}{3}}\right )}}{6 \, a^{\frac {1}{3}}}\right ) - 8 \, \sqrt {3} a^{\frac {1}{3}} \arctan \left (\frac {\sqrt {3} {\left (2 \, {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {1}{3}} + a^{\frac {1}{3}}\right )}}{3 \, a^{\frac {1}{3}}}\right ) + 3 \cdot 2^{\frac {1}{3}} a^{\frac {1}{3}} \log \left (2^{\frac {2}{3}} a^{\frac {2}{3}} + 2^{\frac {1}{3}} {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {1}{3}} a^{\frac {1}{3}} + {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {2}{3}}\right ) - 6 \cdot 2^{\frac {1}{3}} a^{\frac {1}{3}} \log \left (-2^{\frac {1}{3}} a^{\frac {1}{3}} + {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {1}{3}}\right ) - 4 \, a^{\frac {1}{3}} \log \left ({\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {2}{3}} + {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {1}{3}} a^{\frac {1}{3}} + a^{\frac {2}{3}}\right ) + 8 \, a^{\frac {1}{3}} \log \left ({\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {1}{3}} - a^{\frac {1}{3}}\right ) + \frac {6 i \, {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {1}{3}}}{\tan \left (d x + c\right )}\right )} a}{6 \, d} \]
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\[ \int \cot ^2(c+d x) (a+i a \tan (c+d x))^{4/3} \, dx=\int { {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {4}{3}} \cot \left (d x + c\right )^{2} \,d x } \]
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Time = 0.64 (sec) , antiderivative size = 855, normalized size of antiderivative = 2.71 \[ \int \cot ^2(c+d x) (a+i a \tan (c+d x))^{4/3} \, dx=\text {Too large to display} \]
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