Integrand size = 31, antiderivative size = 331 \[ \int \frac {\tan ^4(c+d x) (A+B \tan (c+d x))}{(a+b \tan (c+d x))^3} \, dx=\frac {\left (a^3 A-3 a A b^2+3 a^2 b B-b^3 B\right ) x}{\left (a^2+b^2\right )^3}+\frac {\left (3 a^2 A b-A b^3-a^3 B+3 a b^2 B\right ) \log (\cos (c+d x))}{\left (a^2+b^2\right )^3 d}+\frac {a^2 \left (a^4 A b+3 a^2 A b^3+6 A b^5-3 a^5 B-9 a^3 b^2 B-10 a b^4 B\right ) \log (a+b \tan (c+d x))}{b^4 \left (a^2+b^2\right )^3 d}-\frac {\left (a^3 A b+3 a A b^3-3 a^4 B-6 a^2 b^2 B-b^4 B\right ) \tan (c+d x)}{b^3 \left (a^2+b^2\right )^2 d}+\frac {a (A b-a B) \tan ^3(c+d x)}{2 b \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}+\frac {a \left (a^2 A b+5 A b^3-3 a^3 B-7 a b^2 B\right ) \tan ^2(c+d x)}{2 b^2 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))} \]
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Time = 0.86 (sec) , antiderivative size = 331, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.226, Rules used = {3686, 3726, 3728, 3707, 3698, 31, 3556} \[ \int \frac {\tan ^4(c+d x) (A+B \tan (c+d x))}{(a+b \tan (c+d x))^3} \, dx=\frac {a (A b-a B) \tan ^3(c+d x)}{2 b d \left (a^2+b^2\right ) (a+b \tan (c+d x))^2}+\frac {a \left (-3 a^3 B+a^2 A b-7 a b^2 B+5 A b^3\right ) \tan ^2(c+d x)}{2 b^2 d \left (a^2+b^2\right )^2 (a+b \tan (c+d x))}+\frac {\left (a^3 (-B)+3 a^2 A b+3 a b^2 B-A b^3\right ) \log (\cos (c+d x))}{d \left (a^2+b^2\right )^3}+\frac {x \left (a^3 A+3 a^2 b B-3 a A b^2-b^3 B\right )}{\left (a^2+b^2\right )^3}-\frac {\left (-3 a^4 B+a^3 A b-6 a^2 b^2 B+3 a A b^3-b^4 B\right ) \tan (c+d x)}{b^3 d \left (a^2+b^2\right )^2}+\frac {a^2 \left (-3 a^5 B+a^4 A b-9 a^3 b^2 B+3 a^2 A b^3-10 a b^4 B+6 A b^5\right ) \log (a+b \tan (c+d x))}{b^4 d \left (a^2+b^2\right )^3} \]
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Rule 31
Rule 3556
Rule 3686
Rule 3698
Rule 3707
Rule 3726
Rule 3728
Rubi steps \begin{align*} \text {integral}& = \frac {a (A b-a B) \tan ^3(c+d x)}{2 b \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}+\frac {\int \frac {\tan ^2(c+d x) \left (-3 a (A b-a B)+2 b (A b-a B) \tan (c+d x)-\left (a A b-3 a^2 B-2 b^2 B\right ) \tan ^2(c+d x)\right )}{(a+b \tan (c+d x))^2} \, dx}{2 b \left (a^2+b^2\right )} \\ & = \frac {a (A b-a B) \tan ^3(c+d x)}{2 b \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}+\frac {a \left (a^2 A b+5 A b^3-3 a^3 B-7 a b^2 B\right ) \tan ^2(c+d x)}{2 b^2 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))}+\frac {\int \frac {\tan (c+d x) \left (-2 a \left (a^2 A b+5 A b^3-3 a^3 B-7 a b^2 B\right )-2 b^2 \left (a^2 A-A b^2+2 a b B\right ) \tan (c+d x)-2 \left (a^3 A b+3 a A b^3-3 a^4 B-6 a^2 b^2 B-b^4 B\right ) \tan ^2(c+d x)\right )}{a+b \tan (c+d x)} \, dx}{2 b^2 \left (a^2+b^2\right )^2} \\ & = -\frac {\left (a^3 A b+3 a A b^3-3 a^4 B-6 a^2 b^2 B-b^4 B\right ) \tan (c+d x)}{b^3 \left (a^2+b^2\right )^2 d}+\frac {a (A b-a B) \tan ^3(c+d x)}{2 b \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}+\frac {a \left (a^2 A b+5 A b^3-3 a^3 B-7 a b^2 B\right ) \tan ^2(c+d x)}{2 b^2 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))}+\frac {\int \frac {2 a \left (a^3 A b+3 a A b^3-3 a^4 B-6 a^2 b^2 B-b^4 B\right )-2 b^3 \left (2 a A b-a^2 B+b^2 B\right ) \tan (c+d x)+2 \left (a^2+b^2\right )^2 (A b-3 a B) \tan ^2(c+d x)}{a+b \tan (c+d x)} \, dx}{2 b^3 \left (a^2+b^2\right )^2} \\ & = \frac {\left (a^3 A-3 a A b^2+3 a^2 b B-b^3 B\right ) x}{\left (a^2+b^2\right )^3}-\frac {\left (a^3 A b+3 a A b^3-3 a^4 B-6 a^2 b^2 B-b^4 B\right ) \tan (c+d x)}{b^3 \left (a^2+b^2\right )^2 d}+\frac {a (A b-a B) \tan ^3(c+d x)}{2 b \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}+\frac {a \left (a^2 A b+5 A b^3-3 a^3 B-7 a b^2 B\right ) \tan ^2(c+d x)}{2 b^2 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))}-\frac {\left (3 a^2 A b-A b^3-a^3 B+3 a b^2 B\right ) \int \tan (c+d x) \, dx}{\left (a^2+b^2\right )^3}+\frac {\left (a^2 \left (a^4 A b+3 a^2 A b^3+6 A b^5-3 a^5 B-9 a^3 b^2 B-10 a b^4 B\right )\right ) \int \frac {1+\tan ^2(c+d x)}{a+b \tan (c+d x)} \, dx}{b^3 \left (a^2+b^2\right )^3} \\ & = \frac {\left (a^3 A-3 a A b^2+3 a^2 b B-b^3 B\right ) x}{\left (a^2+b^2\right )^3}+\frac {\left (3 a^2 A b-A b^3-a^3 B+3 a b^2 B\right ) \log (\cos (c+d x))}{\left (a^2+b^2\right )^3 d}-\frac {\left (a^3 A b+3 a A b^3-3 a^4 B-6 a^2 b^2 B-b^4 B\right ) \tan (c+d x)}{b^3 \left (a^2+b^2\right )^2 d}+\frac {a (A b-a B) \tan ^3(c+d x)}{2 b \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}+\frac {a \left (a^2 A b+5 A b^3-3 a^3 B-7 a b^2 B\right ) \tan ^2(c+d x)}{2 b^2 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))}+\frac {\left (a^2 \left (a^4 A b+3 a^2 A b^3+6 A b^5-3 a^5 B-9 a^3 b^2 B-10 a b^4 B\right )\right ) \text {Subst}\left (\int \frac {1}{a+x} \, dx,x,b \tan (c+d x)\right )}{b^4 \left (a^2+b^2\right )^3 d} \\ & = \frac {\left (a^3 A-3 a A b^2+3 a^2 b B-b^3 B\right ) x}{\left (a^2+b^2\right )^3}+\frac {\left (3 a^2 A b-A b^3-a^3 B+3 a b^2 B\right ) \log (\cos (c+d x))}{\left (a^2+b^2\right )^3 d}+\frac {a^2 \left (a^4 A b+3 a^2 A b^3+6 A b^5-3 a^5 B-9 a^3 b^2 B-10 a b^4 B\right ) \log (a+b \tan (c+d x))}{b^4 \left (a^2+b^2\right )^3 d}-\frac {\left (a^3 A b+3 a A b^3-3 a^4 B-6 a^2 b^2 B-b^4 B\right ) \tan (c+d x)}{b^3 \left (a^2+b^2\right )^2 d}+\frac {a (A b-a B) \tan ^3(c+d x)}{2 b \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}+\frac {a \left (a^2 A b+5 A b^3-3 a^3 B-7 a b^2 B\right ) \tan ^2(c+d x)}{2 b^2 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))} \\ \end{align*}
Result contains complex when optimal does not.
Time = 5.22 (sec) , antiderivative size = 275, normalized size of antiderivative = 0.83 \[ \int \frac {\tan ^4(c+d x) (A+B \tan (c+d x))}{(a+b \tan (c+d x))^3} \, dx=\frac {\frac {(A+i B) \log (i-\tan (c+d x))}{(-i a+b)^3}+\frac {(A-i B) \log (i+\tan (c+d x))}{(i a+b)^3}+\frac {2 a^2 \left (a^4 A b+3 a^2 A b^3+6 A b^5-3 a^5 B-9 a^3 b^2 B-10 a b^4 B\right ) \log (a+b \tan (c+d x))}{b^4 \left (a^2+b^2\right )^3}+\frac {a^3 \left (-a A b+3 a^2 B+2 b^2 B\right )}{b^4 \left (a^2+b^2\right ) (a+b \tan (c+d x))^2}+\frac {2 B \tan ^3(c+d x)}{b (a+b \tan (c+d x))^2}-\frac {2 a^2 \left (-2 a^3 A b-4 a A b^3+6 a^4 B+11 a^2 b^2 B+3 b^4 B\right )}{b^4 \left (a^2+b^2\right )^2 (a+b \tan (c+d x))}}{2 d} \]
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Time = 0.20 (sec) , antiderivative size = 263, normalized size of antiderivative = 0.79
method | result | size |
derivativedivides | \(\frac {\frac {\tan \left (d x +c \right ) B}{b^{3}}+\frac {\frac {\left (-3 A \,a^{2} b +A \,b^{3}+B \,a^{3}-3 B a \,b^{2}\right ) \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2}+\left (A \,a^{3}-3 A a \,b^{2}+3 B \,a^{2} b -B \,b^{3}\right ) \arctan \left (\tan \left (d x +c \right )\right )}{\left (a^{2}+b^{2}\right )^{3}}+\frac {a^{2} \left (A \,a^{4} b +3 A \,a^{2} b^{3}+6 A \,b^{5}-3 B \,a^{5}-9 B \,a^{3} b^{2}-10 B a \,b^{4}\right ) \ln \left (a +b \tan \left (d x +c \right )\right )}{b^{4} \left (a^{2}+b^{2}\right )^{3}}-\frac {a^{4} \left (A b -B a \right )}{2 b^{4} \left (a^{2}+b^{2}\right ) \left (a +b \tan \left (d x +c \right )\right )^{2}}+\frac {a^{3} \left (2 A \,a^{2} b +4 A \,b^{3}-3 B \,a^{3}-5 B a \,b^{2}\right )}{b^{4} \left (a^{2}+b^{2}\right )^{2} \left (a +b \tan \left (d x +c \right )\right )}}{d}\) | \(263\) |
default | \(\frac {\frac {\tan \left (d x +c \right ) B}{b^{3}}+\frac {\frac {\left (-3 A \,a^{2} b +A \,b^{3}+B \,a^{3}-3 B a \,b^{2}\right ) \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2}+\left (A \,a^{3}-3 A a \,b^{2}+3 B \,a^{2} b -B \,b^{3}\right ) \arctan \left (\tan \left (d x +c \right )\right )}{\left (a^{2}+b^{2}\right )^{3}}+\frac {a^{2} \left (A \,a^{4} b +3 A \,a^{2} b^{3}+6 A \,b^{5}-3 B \,a^{5}-9 B \,a^{3} b^{2}-10 B a \,b^{4}\right ) \ln \left (a +b \tan \left (d x +c \right )\right )}{b^{4} \left (a^{2}+b^{2}\right )^{3}}-\frac {a^{4} \left (A b -B a \right )}{2 b^{4} \left (a^{2}+b^{2}\right ) \left (a +b \tan \left (d x +c \right )\right )^{2}}+\frac {a^{3} \left (2 A \,a^{2} b +4 A \,b^{3}-3 B \,a^{3}-5 B a \,b^{2}\right )}{b^{4} \left (a^{2}+b^{2}\right )^{2} \left (a +b \tan \left (d x +c \right )\right )}}{d}\) | \(263\) |
norman | \(\frac {\frac {B \left (\tan ^{3}\left (d x +c \right )\right )}{b d}+\frac {\left (A \,a^{3}-3 A a \,b^{2}+3 B \,a^{2} b -B \,b^{3}\right ) a^{2} x}{\left (a^{4}+2 a^{2} b^{2}+b^{4}\right ) \left (a^{2}+b^{2}\right )}+\frac {b^{2} \left (A \,a^{3}-3 A a \,b^{2}+3 B \,a^{2} b -B \,b^{3}\right ) x \left (\tan ^{2}\left (d x +c \right )\right )}{\left (a^{4}+2 a^{2} b^{2}+b^{4}\right ) \left (a^{2}+b^{2}\right )}+\frac {a \left (2 A \,a^{4} b +4 A \,a^{2} b^{3}-6 B \,a^{5}-11 B \,a^{3} b^{2}-3 B a \,b^{4}\right ) \tan \left (d x +c \right )}{d \,b^{3} \left (a^{4}+2 a^{2} b^{2}+b^{4}\right )}+\frac {a^{2} \left (3 A \,a^{4} b +7 A \,a^{2} b^{3}-9 B \,a^{5}-17 B \,a^{3} b^{2}-4 B a \,b^{4}\right )}{2 d \,b^{4} \left (a^{4}+2 a^{2} b^{2}+b^{4}\right )}+\frac {2 b \left (A \,a^{3}-3 A a \,b^{2}+3 B \,a^{2} b -B \,b^{3}\right ) a x \tan \left (d x +c \right )}{\left (a^{4}+2 a^{2} b^{2}+b^{4}\right ) \left (a^{2}+b^{2}\right )}}{\left (a +b \tan \left (d x +c \right )\right )^{2}}+\frac {a^{2} \left (A \,a^{4} b +3 A \,a^{2} b^{3}+6 A \,b^{5}-3 B \,a^{5}-9 B \,a^{3} b^{2}-10 B a \,b^{4}\right ) \ln \left (a +b \tan \left (d x +c \right )\right )}{\left (a^{6}+3 a^{4} b^{2}+3 a^{2} b^{4}+b^{6}\right ) b^{4} d}-\frac {\left (3 A \,a^{2} b -A \,b^{3}-B \,a^{3}+3 B a \,b^{2}\right ) \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2 d \left (a^{6}+3 a^{4} b^{2}+3 a^{2} b^{4}+b^{6}\right )}\) | \(512\) |
parallelrisch | \(\text {Expression too large to display}\) | \(1180\) |
risch | \(\text {Expression too large to display}\) | \(1552\) |
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Leaf count of result is larger than twice the leaf count of optimal. 890 vs. \(2 (328) = 656\).
Time = 0.38 (sec) , antiderivative size = 890, normalized size of antiderivative = 2.69 \[ \int \frac {\tan ^4(c+d x) (A+B \tan (c+d x))}{(a+b \tan (c+d x))^3} \, dx=-\frac {3 \, B a^{7} b^{2} - A a^{6} b^{3} + 9 \, B a^{5} b^{4} - 7 \, A a^{4} b^{5} - 2 \, {\left (B a^{6} b^{3} + 3 \, B a^{4} b^{5} + 3 \, B a^{2} b^{7} + B b^{9}\right )} \tan \left (d x + c\right )^{3} - 2 \, {\left (A a^{5} b^{4} + 3 \, B a^{4} b^{5} - 3 \, A a^{3} b^{6} - B a^{2} b^{7}\right )} d x - {\left (9 \, B a^{7} b^{2} - 3 \, A a^{6} b^{3} + 23 \, B a^{5} b^{4} - 9 \, A a^{4} b^{5} + 12 \, B a^{3} b^{6} + 4 \, B a b^{8} + 2 \, {\left (A a^{3} b^{6} + 3 \, B a^{2} b^{7} - 3 \, A a b^{8} - B b^{9}\right )} d x\right )} \tan \left (d x + c\right )^{2} + {\left (3 \, B a^{9} - A a^{8} b + 9 \, B a^{7} b^{2} - 3 \, A a^{6} b^{3} + 10 \, B a^{5} b^{4} - 6 \, A a^{4} b^{5} + {\left (3 \, B a^{7} b^{2} - A a^{6} b^{3} + 9 \, B a^{5} b^{4} - 3 \, A a^{4} b^{5} + 10 \, B a^{3} b^{6} - 6 \, A a^{2} b^{7}\right )} \tan \left (d x + c\right )^{2} + 2 \, {\left (3 \, B a^{8} b - A a^{7} b^{2} + 9 \, B a^{6} b^{3} - 3 \, A a^{5} b^{4} + 10 \, B a^{4} b^{5} - 6 \, A a^{3} b^{6}\right )} \tan \left (d x + c\right )\right )} \log \left (\frac {b^{2} \tan \left (d x + c\right )^{2} + 2 \, a b \tan \left (d x + c\right ) + a^{2}}{\tan \left (d x + c\right )^{2} + 1}\right ) - {\left (3 \, B a^{9} - A a^{8} b + 9 \, B a^{7} b^{2} - 3 \, A a^{6} b^{3} + 9 \, B a^{5} b^{4} - 3 \, A a^{4} b^{5} + 3 \, B a^{3} b^{6} - A a^{2} b^{7} + {\left (3 \, B a^{7} b^{2} - A a^{6} b^{3} + 9 \, B a^{5} b^{4} - 3 \, A a^{4} b^{5} + 9 \, B a^{3} b^{6} - 3 \, A a^{2} b^{7} + 3 \, B a b^{8} - A b^{9}\right )} \tan \left (d x + c\right )^{2} + 2 \, {\left (3 \, B a^{8} b - A a^{7} b^{2} + 9 \, B a^{6} b^{3} - 3 \, A a^{5} b^{4} + 9 \, B a^{4} b^{5} - 3 \, A a^{3} b^{6} + 3 \, B a^{2} b^{7} - A a b^{8}\right )} \tan \left (d x + c\right )\right )} \log \left (\frac {1}{\tan \left (d x + c\right )^{2} + 1}\right ) - 2 \, {\left (3 \, B a^{8} b - A a^{7} b^{2} + 6 \, B a^{6} b^{3} - 3 \, A a^{5} b^{4} - 2 \, B a^{4} b^{5} + 4 \, A a^{3} b^{6} + B a^{2} b^{7} + 2 \, {\left (A a^{4} b^{5} + 3 \, B a^{3} b^{6} - 3 \, A a^{2} b^{7} - B a b^{8}\right )} d x\right )} \tan \left (d x + c\right )}{2 \, {\left ({\left (a^{6} b^{6} + 3 \, a^{4} b^{8} + 3 \, a^{2} b^{10} + b^{12}\right )} d \tan \left (d x + c\right )^{2} + 2 \, {\left (a^{7} b^{5} + 3 \, a^{5} b^{7} + 3 \, a^{3} b^{9} + a b^{11}\right )} d \tan \left (d x + c\right ) + {\left (a^{8} b^{4} + 3 \, a^{6} b^{6} + 3 \, a^{4} b^{8} + a^{2} b^{10}\right )} d\right )}} \]
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Exception generated. \[ \int \frac {\tan ^4(c+d x) (A+B \tan (c+d x))}{(a+b \tan (c+d x))^3} \, dx=\text {Exception raised: AttributeError} \]
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none
Time = 0.30 (sec) , antiderivative size = 389, normalized size of antiderivative = 1.18 \[ \int \frac {\tan ^4(c+d x) (A+B \tan (c+d x))}{(a+b \tan (c+d x))^3} \, dx=\frac {\frac {2 \, {\left (A a^{3} + 3 \, B a^{2} b - 3 \, A a b^{2} - B b^{3}\right )} {\left (d x + c\right )}}{a^{6} + 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} + b^{6}} - \frac {2 \, {\left (3 \, B a^{7} - A a^{6} b + 9 \, B a^{5} b^{2} - 3 \, A a^{4} b^{3} + 10 \, B a^{3} b^{4} - 6 \, A a^{2} b^{5}\right )} \log \left (b \tan \left (d x + c\right ) + a\right )}{a^{6} b^{4} + 3 \, a^{4} b^{6} + 3 \, a^{2} b^{8} + b^{10}} + \frac {{\left (B a^{3} - 3 \, A a^{2} b - 3 \, B a b^{2} + A b^{3}\right )} \log \left (\tan \left (d x + c\right )^{2} + 1\right )}{a^{6} + 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} + b^{6}} - \frac {5 \, B a^{7} - 3 \, A a^{6} b + 9 \, B a^{5} b^{2} - 7 \, A a^{4} b^{3} + 2 \, {\left (3 \, B a^{6} b - 2 \, A a^{5} b^{2} + 5 \, B a^{4} b^{3} - 4 \, A a^{3} b^{4}\right )} \tan \left (d x + c\right )}{a^{6} b^{4} + 2 \, a^{4} b^{6} + a^{2} b^{8} + {\left (a^{4} b^{6} + 2 \, a^{2} b^{8} + b^{10}\right )} \tan \left (d x + c\right )^{2} + 2 \, {\left (a^{5} b^{5} + 2 \, a^{3} b^{7} + a b^{9}\right )} \tan \left (d x + c\right )} + \frac {2 \, B \tan \left (d x + c\right )}{b^{3}}}{2 \, d} \]
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Time = 1.12 (sec) , antiderivative size = 505, normalized size of antiderivative = 1.53 \[ \int \frac {\tan ^4(c+d x) (A+B \tan (c+d x))}{(a+b \tan (c+d x))^3} \, dx=\frac {\frac {2 \, {\left (A a^{3} + 3 \, B a^{2} b - 3 \, A a b^{2} - B b^{3}\right )} {\left (d x + c\right )}}{a^{6} + 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} + b^{6}} + \frac {{\left (B a^{3} - 3 \, A a^{2} b - 3 \, B a b^{2} + A b^{3}\right )} \log \left (\tan \left (d x + c\right )^{2} + 1\right )}{a^{6} + 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} + b^{6}} - \frac {2 \, {\left (3 \, B a^{7} - A a^{6} b + 9 \, B a^{5} b^{2} - 3 \, A a^{4} b^{3} + 10 \, B a^{3} b^{4} - 6 \, A a^{2} b^{5}\right )} \log \left ({\left | b \tan \left (d x + c\right ) + a \right |}\right )}{a^{6} b^{4} + 3 \, a^{4} b^{6} + 3 \, a^{2} b^{8} + b^{10}} + \frac {2 \, B \tan \left (d x + c\right )}{b^{3}} + \frac {9 \, B a^{7} b^{2} \tan \left (d x + c\right )^{2} - 3 \, A a^{6} b^{3} \tan \left (d x + c\right )^{2} + 27 \, B a^{5} b^{4} \tan \left (d x + c\right )^{2} - 9 \, A a^{4} b^{5} \tan \left (d x + c\right )^{2} + 30 \, B a^{3} b^{6} \tan \left (d x + c\right )^{2} - 18 \, A a^{2} b^{7} \tan \left (d x + c\right )^{2} + 12 \, B a^{8} b \tan \left (d x + c\right ) - 2 \, A a^{7} b^{2} \tan \left (d x + c\right ) + 38 \, B a^{6} b^{3} \tan \left (d x + c\right ) - 6 \, A a^{5} b^{4} \tan \left (d x + c\right ) + 50 \, B a^{4} b^{5} \tan \left (d x + c\right ) - 28 \, A a^{3} b^{6} \tan \left (d x + c\right ) + 4 \, B a^{9} + 13 \, B a^{7} b^{2} + A a^{6} b^{3} + 21 \, B a^{5} b^{4} - 11 \, A a^{4} b^{5}}{{\left (a^{6} b^{4} + 3 \, a^{4} b^{6} + 3 \, a^{2} b^{8} + b^{10}\right )} {\left (b \tan \left (d x + c\right ) + a\right )}^{2}}}{2 \, d} \]
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Time = 9.00 (sec) , antiderivative size = 335, normalized size of antiderivative = 1.01 \[ \int \frac {\tan ^4(c+d x) (A+B \tan (c+d x))}{(a+b \tan (c+d x))^3} \, dx=\frac {B\,\mathrm {tan}\left (c+d\,x\right )}{b^3\,d}+\frac {\ln \left (\mathrm {tan}\left (c+d\,x\right )-\mathrm {i}\right )\,\left (-B+A\,1{}\mathrm {i}\right )}{2\,d\,\left (-a^3-a^2\,b\,3{}\mathrm {i}+3\,a\,b^2+b^3\,1{}\mathrm {i}\right )}+\frac {\ln \left (\mathrm {tan}\left (c+d\,x\right )+1{}\mathrm {i}\right )\,\left (A-B\,1{}\mathrm {i}\right )}{2\,d\,\left (-a^3\,1{}\mathrm {i}-3\,a^2\,b+a\,b^2\,3{}\mathrm {i}+b^3\right )}-\frac {\frac {5\,B\,a^7-3\,A\,a^6\,b+9\,B\,a^5\,b^2-7\,A\,a^4\,b^3}{2\,b\,\left (a^4+2\,a^2\,b^2+b^4\right )}+\frac {\mathrm {tan}\left (c+d\,x\right )\,\left (3\,B\,a^6-2\,A\,a^5\,b+5\,B\,a^4\,b^2-4\,A\,a^3\,b^3\right )}{a^4+2\,a^2\,b^2+b^4}}{d\,\left (a^2\,b^3+2\,a\,b^4\,\mathrm {tan}\left (c+d\,x\right )+b^5\,{\mathrm {tan}\left (c+d\,x\right )}^2\right )}+\frac {a^2\,\ln \left (a+b\,\mathrm {tan}\left (c+d\,x\right )\right )\,\left (-3\,B\,a^5+A\,a^4\,b-9\,B\,a^3\,b^2+3\,A\,a^2\,b^3-10\,B\,a\,b^4+6\,A\,b^5\right )}{b^4\,d\,{\left (a^2+b^2\right )}^3} \]
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