Integrand size = 29, antiderivative size = 93 \[ \int \sec ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\frac {(A b+a B) \text {arctanh}(\sin (c+d x))}{2 d}+\frac {(3 a A+2 b B) \tan (c+d x)}{3 d}+\frac {(A b+a B) \sec (c+d x) \tan (c+d x)}{2 d}+\frac {b B \sec ^2(c+d x) \tan (c+d x)}{3 d} \]
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Time = 0.14 (sec) , antiderivative size = 93, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.207, Rules used = {4082, 3872, 3852, 8, 3853, 3855} \[ \int \sec ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\frac {(a B+A b) \text {arctanh}(\sin (c+d x))}{2 d}+\frac {(3 a A+2 b B) \tan (c+d x)}{3 d}+\frac {(a B+A b) \tan (c+d x) \sec (c+d x)}{2 d}+\frac {b B \tan (c+d x) \sec ^2(c+d x)}{3 d} \]
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Rule 8
Rule 3852
Rule 3853
Rule 3855
Rule 3872
Rule 4082
Rubi steps \begin{align*} \text {integral}& = \frac {b B \sec ^2(c+d x) \tan (c+d x)}{3 d}+\frac {1}{3} \int \sec ^2(c+d x) (3 a A+2 b B+3 (A b+a B) \sec (c+d x)) \, dx \\ & = \frac {b B \sec ^2(c+d x) \tan (c+d x)}{3 d}+(A b+a B) \int \sec ^3(c+d x) \, dx+\frac {1}{3} (3 a A+2 b B) \int \sec ^2(c+d x) \, dx \\ & = \frac {(A b+a B) \sec (c+d x) \tan (c+d x)}{2 d}+\frac {b B \sec ^2(c+d x) \tan (c+d x)}{3 d}+\frac {1}{2} (A b+a B) \int \sec (c+d x) \, dx-\frac {(3 a A+2 b B) \text {Subst}(\int 1 \, dx,x,-\tan (c+d x))}{3 d} \\ & = \frac {(A b+a B) \text {arctanh}(\sin (c+d x))}{2 d}+\frac {(3 a A+2 b B) \tan (c+d x)}{3 d}+\frac {(A b+a B) \sec (c+d x) \tan (c+d x)}{2 d}+\frac {b B \sec ^2(c+d x) \tan (c+d x)}{3 d} \\ \end{align*}
Time = 0.21 (sec) , antiderivative size = 67, normalized size of antiderivative = 0.72 \[ \int \sec ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\frac {3 (A b+a B) \text {arctanh}(\sin (c+d x))+\tan (c+d x) \left (6 a A+6 b B+3 (A b+a B) \sec (c+d x)+2 b B \tan ^2(c+d x)\right )}{6 d} \]
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Time = 3.81 (sec) , antiderivative size = 81, normalized size of antiderivative = 0.87
method | result | size |
parts | \(\frac {\left (A b +B a \right ) \left (\frac {\sec \left (d x +c \right ) \tan \left (d x +c \right )}{2}+\frac {\ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )}{2}\right )}{d}+\frac {a A \tan \left (d x +c \right )}{d}-\frac {B b \left (-\frac {2}{3}-\frac {\sec \left (d x +c \right )^{2}}{3}\right ) \tan \left (d x +c \right )}{d}\) | \(81\) |
derivativedivides | \(\frac {a A \tan \left (d x +c \right )+B a \left (\frac {\sec \left (d x +c \right ) \tan \left (d x +c \right )}{2}+\frac {\ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )}{2}\right )+A b \left (\frac {\sec \left (d x +c \right ) \tan \left (d x +c \right )}{2}+\frac {\ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )}{2}\right )-B b \left (-\frac {2}{3}-\frac {\sec \left (d x +c \right )^{2}}{3}\right ) \tan \left (d x +c \right )}{d}\) | \(105\) |
default | \(\frac {a A \tan \left (d x +c \right )+B a \left (\frac {\sec \left (d x +c \right ) \tan \left (d x +c \right )}{2}+\frac {\ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )}{2}\right )+A b \left (\frac {\sec \left (d x +c \right ) \tan \left (d x +c \right )}{2}+\frac {\ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )}{2}\right )-B b \left (-\frac {2}{3}-\frac {\sec \left (d x +c \right )^{2}}{3}\right ) \tan \left (d x +c \right )}{d}\) | \(105\) |
norman | \(\frac {\frac {4 \left (3 a A +B b \right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{3}}{3 d}-\frac {\left (2 a A -A b -B a +2 B b \right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{5}}{d}-\frac {\left (2 a A +A b +B a +2 B b \right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{d}}{\left (-1+\tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}\right )^{3}}-\frac {\left (A b +B a \right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )}{2 d}+\frac {\left (A b +B a \right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )}{2 d}\) | \(153\) |
parallelrisch | \(\frac {-9 \left (\frac {\cos \left (3 d x +3 c \right )}{3}+\cos \left (d x +c \right )\right ) \left (A b +B a \right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )+9 \left (\frac {\cos \left (3 d x +3 c \right )}{3}+\cos \left (d x +c \right )\right ) \left (A b +B a \right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )+\left (6 A b +6 B a \right ) \sin \left (2 d x +2 c \right )+\left (6 a A +4 B b \right ) \sin \left (3 d x +3 c \right )+6 \sin \left (d x +c \right ) \left (a A +2 B b \right )}{6 d \left (\cos \left (3 d x +3 c \right )+3 \cos \left (d x +c \right )\right )}\) | \(159\) |
risch | \(-\frac {i \left (3 A b \,{\mathrm e}^{5 i \left (d x +c \right )}+3 B a \,{\mathrm e}^{5 i \left (d x +c \right )}-6 A a \,{\mathrm e}^{4 i \left (d x +c \right )}-12 a A \,{\mathrm e}^{2 i \left (d x +c \right )}-12 B b \,{\mathrm e}^{2 i \left (d x +c \right )}-3 A b \,{\mathrm e}^{i \left (d x +c \right )}-3 B a \,{\mathrm e}^{i \left (d x +c \right )}-6 a A -4 B b \right )}{3 d \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )^{3}}+\frac {\ln \left ({\mathrm e}^{i \left (d x +c \right )}+i\right ) A b}{2 d}+\frac {a \ln \left ({\mathrm e}^{i \left (d x +c \right )}+i\right ) B}{2 d}-\frac {\ln \left ({\mathrm e}^{i \left (d x +c \right )}-i\right ) A b}{2 d}-\frac {a \ln \left ({\mathrm e}^{i \left (d x +c \right )}-i\right ) B}{2 d}\) | \(201\) |
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Time = 0.29 (sec) , antiderivative size = 115, normalized size of antiderivative = 1.24 \[ \int \sec ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\frac {3 \, {\left (B a + A b\right )} \cos \left (d x + c\right )^{3} \log \left (\sin \left (d x + c\right ) + 1\right ) - 3 \, {\left (B a + A b\right )} \cos \left (d x + c\right )^{3} \log \left (-\sin \left (d x + c\right ) + 1\right ) + 2 \, {\left (2 \, {\left (3 \, A a + 2 \, B b\right )} \cos \left (d x + c\right )^{2} + 2 \, B b + 3 \, {\left (B a + A b\right )} \cos \left (d x + c\right )\right )} \sin \left (d x + c\right )}{12 \, d \cos \left (d x + c\right )^{3}} \]
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\[ \int \sec ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\int \left (A + B \sec {\left (c + d x \right )}\right ) \left (a + b \sec {\left (c + d x \right )}\right ) \sec ^{2}{\left (c + d x \right )}\, dx \]
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Time = 0.23 (sec) , antiderivative size = 127, normalized size of antiderivative = 1.37 \[ \int \sec ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\frac {4 \, {\left (\tan \left (d x + c\right )^{3} + 3 \, \tan \left (d x + c\right )\right )} B b - 3 \, B a {\left (\frac {2 \, \sin \left (d x + c\right )}{\sin \left (d x + c\right )^{2} - 1} - \log \left (\sin \left (d x + c\right ) + 1\right ) + \log \left (\sin \left (d x + c\right ) - 1\right )\right )} - 3 \, A b {\left (\frac {2 \, \sin \left (d x + c\right )}{\sin \left (d x + c\right )^{2} - 1} - \log \left (\sin \left (d x + c\right ) + 1\right ) + \log \left (\sin \left (d x + c\right ) - 1\right )\right )} + 12 \, A a \tan \left (d x + c\right )}{12 \, d} \]
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Leaf count of result is larger than twice the leaf count of optimal. 210 vs. \(2 (85) = 170\).
Time = 0.31 (sec) , antiderivative size = 210, normalized size of antiderivative = 2.26 \[ \int \sec ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\frac {3 \, {\left (B a + A b\right )} \log \left ({\left | \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 1 \right |}\right ) - 3 \, {\left (B a + A b\right )} \log \left ({\left | \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 1 \right |}\right ) - \frac {2 \, {\left (6 \, A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{5} - 3 \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{5} - 3 \, A b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{5} + 6 \, B b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{5} - 12 \, A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - 4 \, B b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} + 6 \, A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 3 \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 3 \, A b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 6 \, B b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right )}}{{\left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 1\right )}^{3}}}{6 \, d} \]
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Time = 16.99 (sec) , antiderivative size = 145, normalized size of antiderivative = 1.56 \[ \int \sec ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\frac {\mathrm {atanh}\left (\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )\right )\,\left (A\,b+B\,a\right )}{d}-\frac {\left (2\,A\,a-A\,b-B\,a+2\,B\,b\right )\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^5+\left (-4\,A\,a-\frac {4\,B\,b}{3}\right )\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^3+\left (2\,A\,a+A\,b+B\,a+2\,B\,b\right )\,\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}{d\,\left ({\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^6-3\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4+3\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2-1\right )} \]
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