Integrand size = 23, antiderivative size = 299 \[ \int \tan ^{\frac {3}{2}}(c+d x) (a+b \tan (c+d x))^3 \, dx=\frac {(a-b) \left (a^2+4 a b+b^2\right ) \arctan \left (1-\sqrt {2} \sqrt {\tan (c+d x)}\right )}{\sqrt {2} d}-\frac {(a-b) \left (a^2+4 a b+b^2\right ) \arctan \left (1+\sqrt {2} \sqrt {\tan (c+d x)}\right )}{\sqrt {2} d}+\frac {(a+b) \left (a^2-4 a b+b^2\right ) \log \left (1-\sqrt {2} \sqrt {\tan (c+d x)}+\tan (c+d x)\right )}{2 \sqrt {2} d}-\frac {(a+b) \left (a^2-4 a b+b^2\right ) \log \left (1+\sqrt {2} \sqrt {\tan (c+d x)}+\tan (c+d x)\right )}{2 \sqrt {2} d}+\frac {2 a \left (a^2-3 b^2\right ) \sqrt {\tan (c+d x)}}{d}+\frac {2 b \left (3 a^2-b^2\right ) \tan ^{\frac {3}{2}}(c+d x)}{3 d}+\frac {32 a b^2 \tan ^{\frac {5}{2}}(c+d x)}{35 d}+\frac {2 b^2 \tan ^{\frac {5}{2}}(c+d x) (a+b \tan (c+d x))}{7 d} \]
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Time = 0.49 (sec) , antiderivative size = 299, normalized size of antiderivative = 1.00, number of steps used = 14, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.435, Rules used = {3647, 3711, 3609, 3615, 1182, 1176, 631, 210, 1179, 642} \[ \int \tan ^{\frac {3}{2}}(c+d x) (a+b \tan (c+d x))^3 \, dx=\frac {(a-b) \left (a^2+4 a b+b^2\right ) \arctan \left (1-\sqrt {2} \sqrt {\tan (c+d x)}\right )}{\sqrt {2} d}-\frac {(a-b) \left (a^2+4 a b+b^2\right ) \arctan \left (\sqrt {2} \sqrt {\tan (c+d x)}+1\right )}{\sqrt {2} d}+\frac {2 b \left (3 a^2-b^2\right ) \tan ^{\frac {3}{2}}(c+d x)}{3 d}+\frac {2 a \left (a^2-3 b^2\right ) \sqrt {\tan (c+d x)}}{d}+\frac {(a+b) \left (a^2-4 a b+b^2\right ) \log \left (\tan (c+d x)-\sqrt {2} \sqrt {\tan (c+d x)}+1\right )}{2 \sqrt {2} d}-\frac {(a+b) \left (a^2-4 a b+b^2\right ) \log \left (\tan (c+d x)+\sqrt {2} \sqrt {\tan (c+d x)}+1\right )}{2 \sqrt {2} d}+\frac {2 b^2 \tan ^{\frac {5}{2}}(c+d x) (a+b \tan (c+d x))}{7 d}+\frac {32 a b^2 \tan ^{\frac {5}{2}}(c+d x)}{35 d} \]
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Rule 210
Rule 631
Rule 642
Rule 1176
Rule 1179
Rule 1182
Rule 3609
Rule 3615
Rule 3647
Rule 3711
Rubi steps \begin{align*} \text {integral}& = \frac {2 b^2 \tan ^{\frac {5}{2}}(c+d x) (a+b \tan (c+d x))}{7 d}+\frac {2}{7} \int \tan ^{\frac {3}{2}}(c+d x) \left (\frac {1}{2} a \left (7 a^2-5 b^2\right )+\frac {7}{2} b \left (3 a^2-b^2\right ) \tan (c+d x)+8 a b^2 \tan ^2(c+d x)\right ) \, dx \\ & = \frac {32 a b^2 \tan ^{\frac {5}{2}}(c+d x)}{35 d}+\frac {2 b^2 \tan ^{\frac {5}{2}}(c+d x) (a+b \tan (c+d x))}{7 d}+\frac {2}{7} \int \tan ^{\frac {3}{2}}(c+d x) \left (\frac {7}{2} a \left (a^2-3 b^2\right )+\frac {7}{2} b \left (3 a^2-b^2\right ) \tan (c+d x)\right ) \, dx \\ & = \frac {2 b \left (3 a^2-b^2\right ) \tan ^{\frac {3}{2}}(c+d x)}{3 d}+\frac {32 a b^2 \tan ^{\frac {5}{2}}(c+d x)}{35 d}+\frac {2 b^2 \tan ^{\frac {5}{2}}(c+d x) (a+b \tan (c+d x))}{7 d}+\frac {2}{7} \int \sqrt {\tan (c+d x)} \left (-\frac {7}{2} b \left (3 a^2-b^2\right )+\frac {7}{2} a \left (a^2-3 b^2\right ) \tan (c+d x)\right ) \, dx \\ & = \frac {2 a \left (a^2-3 b^2\right ) \sqrt {\tan (c+d x)}}{d}+\frac {2 b \left (3 a^2-b^2\right ) \tan ^{\frac {3}{2}}(c+d x)}{3 d}+\frac {32 a b^2 \tan ^{\frac {5}{2}}(c+d x)}{35 d}+\frac {2 b^2 \tan ^{\frac {5}{2}}(c+d x) (a+b \tan (c+d x))}{7 d}+\frac {2}{7} \int \frac {-\frac {7}{2} a \left (a^2-3 b^2\right )-\frac {7}{2} b \left (3 a^2-b^2\right ) \tan (c+d x)}{\sqrt {\tan (c+d x)}} \, dx \\ & = \frac {2 a \left (a^2-3 b^2\right ) \sqrt {\tan (c+d x)}}{d}+\frac {2 b \left (3 a^2-b^2\right ) \tan ^{\frac {3}{2}}(c+d x)}{3 d}+\frac {32 a b^2 \tan ^{\frac {5}{2}}(c+d x)}{35 d}+\frac {2 b^2 \tan ^{\frac {5}{2}}(c+d x) (a+b \tan (c+d x))}{7 d}+\frac {4 \text {Subst}\left (\int \frac {-\frac {7}{2} a \left (a^2-3 b^2\right )-\frac {7}{2} b \left (3 a^2-b^2\right ) x^2}{1+x^4} \, dx,x,\sqrt {\tan (c+d x)}\right )}{7 d} \\ & = \frac {2 a \left (a^2-3 b^2\right ) \sqrt {\tan (c+d x)}}{d}+\frac {2 b \left (3 a^2-b^2\right ) \tan ^{\frac {3}{2}}(c+d x)}{3 d}+\frac {32 a b^2 \tan ^{\frac {5}{2}}(c+d x)}{35 d}+\frac {2 b^2 \tan ^{\frac {5}{2}}(c+d x) (a+b \tan (c+d x))}{7 d}-\frac {\left ((a+b) \left (a^2-4 a b+b^2\right )\right ) \text {Subst}\left (\int \frac {1-x^2}{1+x^4} \, dx,x,\sqrt {\tan (c+d x)}\right )}{d}-\frac {\left ((a-b) \left (a^2+4 a b+b^2\right )\right ) \text {Subst}\left (\int \frac {1+x^2}{1+x^4} \, dx,x,\sqrt {\tan (c+d x)}\right )}{d} \\ & = \frac {2 a \left (a^2-3 b^2\right ) \sqrt {\tan (c+d x)}}{d}+\frac {2 b \left (3 a^2-b^2\right ) \tan ^{\frac {3}{2}}(c+d x)}{3 d}+\frac {32 a b^2 \tan ^{\frac {5}{2}}(c+d x)}{35 d}+\frac {2 b^2 \tan ^{\frac {5}{2}}(c+d x) (a+b \tan (c+d x))}{7 d}+\frac {\left ((a+b) \left (a^2-4 a b+b^2\right )\right ) \text {Subst}\left (\int \frac {\sqrt {2}+2 x}{-1-\sqrt {2} x-x^2} \, dx,x,\sqrt {\tan (c+d x)}\right )}{2 \sqrt {2} d}+\frac {\left ((a+b) \left (a^2-4 a b+b^2\right )\right ) \text {Subst}\left (\int \frac {\sqrt {2}-2 x}{-1+\sqrt {2} x-x^2} \, dx,x,\sqrt {\tan (c+d x)}\right )}{2 \sqrt {2} d}-\frac {\left ((a-b) \left (a^2+4 a b+b^2\right )\right ) \text {Subst}\left (\int \frac {1}{1-\sqrt {2} x+x^2} \, dx,x,\sqrt {\tan (c+d x)}\right )}{2 d}-\frac {\left ((a-b) \left (a^2+4 a b+b^2\right )\right ) \text {Subst}\left (\int \frac {1}{1+\sqrt {2} x+x^2} \, dx,x,\sqrt {\tan (c+d x)}\right )}{2 d} \\ & = \frac {(a+b) \left (a^2-4 a b+b^2\right ) \log \left (1-\sqrt {2} \sqrt {\tan (c+d x)}+\tan (c+d x)\right )}{2 \sqrt {2} d}-\frac {(a+b) \left (a^2-4 a b+b^2\right ) \log \left (1+\sqrt {2} \sqrt {\tan (c+d x)}+\tan (c+d x)\right )}{2 \sqrt {2} d}+\frac {2 a \left (a^2-3 b^2\right ) \sqrt {\tan (c+d x)}}{d}+\frac {2 b \left (3 a^2-b^2\right ) \tan ^{\frac {3}{2}}(c+d x)}{3 d}+\frac {32 a b^2 \tan ^{\frac {5}{2}}(c+d x)}{35 d}+\frac {2 b^2 \tan ^{\frac {5}{2}}(c+d x) (a+b \tan (c+d x))}{7 d}-\frac {\left ((a-b) \left (a^2+4 a b+b^2\right )\right ) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\sqrt {2} \sqrt {\tan (c+d x)}\right )}{\sqrt {2} d}+\frac {\left ((a-b) \left (a^2+4 a b+b^2\right )\right ) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\sqrt {2} \sqrt {\tan (c+d x)}\right )}{\sqrt {2} d} \\ & = \frac {(a-b) \left (a^2+4 a b+b^2\right ) \arctan \left (1-\sqrt {2} \sqrt {\tan (c+d x)}\right )}{\sqrt {2} d}-\frac {(a-b) \left (a^2+4 a b+b^2\right ) \arctan \left (1+\sqrt {2} \sqrt {\tan (c+d x)}\right )}{\sqrt {2} d}+\frac {(a+b) \left (a^2-4 a b+b^2\right ) \log \left (1-\sqrt {2} \sqrt {\tan (c+d x)}+\tan (c+d x)\right )}{2 \sqrt {2} d}-\frac {(a+b) \left (a^2-4 a b+b^2\right ) \log \left (1+\sqrt {2} \sqrt {\tan (c+d x)}+\tan (c+d x)\right )}{2 \sqrt {2} d}+\frac {2 a \left (a^2-3 b^2\right ) \sqrt {\tan (c+d x)}}{d}+\frac {2 b \left (3 a^2-b^2\right ) \tan ^{\frac {3}{2}}(c+d x)}{3 d}+\frac {32 a b^2 \tan ^{\frac {5}{2}}(c+d x)}{35 d}+\frac {2 b^2 \tan ^{\frac {5}{2}}(c+d x) (a+b \tan (c+d x))}{7 d} \\ \end{align*}
Result contains complex when optimal does not.
Time = 1.48 (sec) , antiderivative size = 144, normalized size of antiderivative = 0.48 \[ \int \tan ^{\frac {3}{2}}(c+d x) (a+b \tan (c+d x))^3 \, dx=\frac {105 \sqrt [4]{-1} (a-i b)^3 \arctan \left ((-1)^{3/4} \sqrt {\tan (c+d x)}\right )+105 \sqrt [4]{-1} (a+i b)^3 \text {arctanh}\left ((-1)^{3/4} \sqrt {\tan (c+d x)}\right )+2 \sqrt {\tan (c+d x)} \left (105 \left (a^3-3 a b^2\right )-35 b \left (-3 a^2+b^2\right ) \tan (c+d x)+63 a b^2 \tan ^2(c+d x)+15 b^3 \tan ^3(c+d x)\right )}{105 d} \]
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Time = 0.06 (sec) , antiderivative size = 279, normalized size of antiderivative = 0.93
method | result | size |
derivativedivides | \(\frac {\frac {2 b^{3} \left (\tan ^{\frac {7}{2}}\left (d x +c \right )\right )}{7}+\frac {6 a \,b^{2} \left (\tan ^{\frac {5}{2}}\left (d x +c \right )\right )}{5}+2 a^{2} b \left (\tan ^{\frac {3}{2}}\left (d x +c \right )\right )-\frac {2 b^{3} \left (\tan ^{\frac {3}{2}}\left (d x +c \right )\right )}{3}+2 a^{3} \left (\sqrt {\tan }\left (d x +c \right )\right )-6 a \,b^{2} \left (\sqrt {\tan }\left (d x +c \right )\right )+\frac {\left (-a^{3}+3 a \,b^{2}\right ) \sqrt {2}\, \left (\ln \left (\frac {1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}+\frac {\left (-3 a^{2} b +b^{3}\right ) \sqrt {2}\, \left (\ln \left (\frac {1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}}{d}\) | \(279\) |
default | \(\frac {\frac {2 b^{3} \left (\tan ^{\frac {7}{2}}\left (d x +c \right )\right )}{7}+\frac {6 a \,b^{2} \left (\tan ^{\frac {5}{2}}\left (d x +c \right )\right )}{5}+2 a^{2} b \left (\tan ^{\frac {3}{2}}\left (d x +c \right )\right )-\frac {2 b^{3} \left (\tan ^{\frac {3}{2}}\left (d x +c \right )\right )}{3}+2 a^{3} \left (\sqrt {\tan }\left (d x +c \right )\right )-6 a \,b^{2} \left (\sqrt {\tan }\left (d x +c \right )\right )+\frac {\left (-a^{3}+3 a \,b^{2}\right ) \sqrt {2}\, \left (\ln \left (\frac {1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}+\frac {\left (-3 a^{2} b +b^{3}\right ) \sqrt {2}\, \left (\ln \left (\frac {1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}}{d}\) | \(279\) |
parts | \(\frac {a^{3} \left (2 \left (\sqrt {\tan }\left (d x +c \right )\right )-\frac {\sqrt {2}\, \left (\ln \left (\frac {1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}\right )}{d}+\frac {b^{3} \left (\frac {2 \left (\tan ^{\frac {7}{2}}\left (d x +c \right )\right )}{7}-\frac {2 \left (\tan ^{\frac {3}{2}}\left (d x +c \right )\right )}{3}+\frac {\sqrt {2}\, \left (\ln \left (\frac {1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}\right )}{d}+\frac {3 a \,b^{2} \left (\frac {2 \left (\tan ^{\frac {5}{2}}\left (d x +c \right )\right )}{5}-2 \left (\sqrt {\tan }\left (d x +c \right )\right )+\frac {\sqrt {2}\, \left (\ln \left (\frac {1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}\right )}{d}+\frac {3 a^{2} b \left (\frac {2 \left (\tan ^{\frac {3}{2}}\left (d x +c \right )\right )}{3}-\frac {\sqrt {2}\, \left (\ln \left (\frac {1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}\right )}{d}\) | \(438\) |
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Leaf count of result is larger than twice the leaf count of optimal. 1427 vs. \(2 (257) = 514\).
Time = 0.30 (sec) , antiderivative size = 1427, normalized size of antiderivative = 4.77 \[ \int \tan ^{\frac {3}{2}}(c+d x) (a+b \tan (c+d x))^3 \, dx=\text {Too large to display} \]
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\[ \int \tan ^{\frac {3}{2}}(c+d x) (a+b \tan (c+d x))^3 \, dx=\int \left (a + b \tan {\left (c + d x \right )}\right )^{3} \tan ^{\frac {3}{2}}{\left (c + d x \right )}\, dx \]
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Time = 0.33 (sec) , antiderivative size = 258, normalized size of antiderivative = 0.86 \[ \int \tan ^{\frac {3}{2}}(c+d x) (a+b \tan (c+d x))^3 \, dx=\frac {120 \, b^{3} \tan \left (d x + c\right )^{\frac {7}{2}} + 504 \, a b^{2} \tan \left (d x + c\right )^{\frac {5}{2}} - 210 \, \sqrt {2} {\left (a^{3} + 3 \, a^{2} b - 3 \, a b^{2} - b^{3}\right )} \arctan \left (\frac {1}{2} \, \sqrt {2} {\left (\sqrt {2} + 2 \, \sqrt {\tan \left (d x + c\right )}\right )}\right ) - 210 \, \sqrt {2} {\left (a^{3} + 3 \, a^{2} b - 3 \, a b^{2} - b^{3}\right )} \arctan \left (-\frac {1}{2} \, \sqrt {2} {\left (\sqrt {2} - 2 \, \sqrt {\tan \left (d x + c\right )}\right )}\right ) - 105 \, \sqrt {2} {\left (a^{3} - 3 \, a^{2} b - 3 \, a b^{2} + b^{3}\right )} \log \left (\sqrt {2} \sqrt {\tan \left (d x + c\right )} + \tan \left (d x + c\right ) + 1\right ) + 105 \, \sqrt {2} {\left (a^{3} - 3 \, a^{2} b - 3 \, a b^{2} + b^{3}\right )} \log \left (-\sqrt {2} \sqrt {\tan \left (d x + c\right )} + \tan \left (d x + c\right ) + 1\right ) + 280 \, {\left (3 \, a^{2} b - b^{3}\right )} \tan \left (d x + c\right )^{\frac {3}{2}} + 840 \, {\left (a^{3} - 3 \, a b^{2}\right )} \sqrt {\tan \left (d x + c\right )}}{420 \, d} \]
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Timed out. \[ \int \tan ^{\frac {3}{2}}(c+d x) (a+b \tan (c+d x))^3 \, dx=\text {Timed out} \]
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Time = 9.67 (sec) , antiderivative size = 1729, normalized size of antiderivative = 5.78 \[ \int \tan ^{\frac {3}{2}}(c+d x) (a+b \tan (c+d x))^3 \, dx=\text {Too large to display} \]
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