Integrand size = 15, antiderivative size = 73 \[ \int \frac {1}{\left (a-a \sec ^2(c+d x)\right )^4} \, dx=\frac {x}{a^4}+\frac {\cot (c+d x)}{a^4 d}-\frac {\cot ^3(c+d x)}{3 a^4 d}+\frac {\cot ^5(c+d x)}{5 a^4 d}-\frac {\cot ^7(c+d x)}{7 a^4 d} \]
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Time = 0.06 (sec) , antiderivative size = 73, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {4205, 3554, 8} \[ \int \frac {1}{\left (a-a \sec ^2(c+d x)\right )^4} \, dx=-\frac {\cot ^7(c+d x)}{7 a^4 d}+\frac {\cot ^5(c+d x)}{5 a^4 d}-\frac {\cot ^3(c+d x)}{3 a^4 d}+\frac {\cot (c+d x)}{a^4 d}+\frac {x}{a^4} \]
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Rule 8
Rule 3554
Rule 4205
Rubi steps \begin{align*} \text {integral}& = \frac {\int \cot ^8(c+d x) \, dx}{a^4} \\ & = -\frac {\cot ^7(c+d x)}{7 a^4 d}-\frac {\int \cot ^6(c+d x) \, dx}{a^4} \\ & = \frac {\cot ^5(c+d x)}{5 a^4 d}-\frac {\cot ^7(c+d x)}{7 a^4 d}+\frac {\int \cot ^4(c+d x) \, dx}{a^4} \\ & = -\frac {\cot ^3(c+d x)}{3 a^4 d}+\frac {\cot ^5(c+d x)}{5 a^4 d}-\frac {\cot ^7(c+d x)}{7 a^4 d}-\frac {\int \cot ^2(c+d x) \, dx}{a^4} \\ & = \frac {\cot (c+d x)}{a^4 d}-\frac {\cot ^3(c+d x)}{3 a^4 d}+\frac {\cot ^5(c+d x)}{5 a^4 d}-\frac {\cot ^7(c+d x)}{7 a^4 d}+\frac {\int 1 \, dx}{a^4} \\ & = \frac {x}{a^4}+\frac {\cot (c+d x)}{a^4 d}-\frac {\cot ^3(c+d x)}{3 a^4 d}+\frac {\cot ^5(c+d x)}{5 a^4 d}-\frac {\cot ^7(c+d x)}{7 a^4 d} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.
Time = 0.02 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.49 \[ \int \frac {1}{\left (a-a \sec ^2(c+d x)\right )^4} \, dx=-\frac {\cot ^7(c+d x) \operatorname {Hypergeometric2F1}\left (-\frac {7}{2},1,-\frac {5}{2},-\tan ^2(c+d x)\right )}{7 a^4 d} \]
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Time = 0.32 (sec) , antiderivative size = 54, normalized size of antiderivative = 0.74
method | result | size |
derivativedivides | \(\frac {-\frac {1}{7 \tan \left (d x +c \right )^{7}}-\frac {1}{3 \tan \left (d x +c \right )^{3}}+\frac {1}{5 \tan \left (d x +c \right )^{5}}+\frac {1}{\tan \left (d x +c \right )}+\arctan \left (\tan \left (d x +c \right )\right )}{d \,a^{4}}\) | \(54\) |
default | \(\frac {-\frac {1}{7 \tan \left (d x +c \right )^{7}}-\frac {1}{3 \tan \left (d x +c \right )^{3}}+\frac {1}{5 \tan \left (d x +c \right )^{5}}+\frac {1}{\tan \left (d x +c \right )}+\arctan \left (\tan \left (d x +c \right )\right )}{d \,a^{4}}\) | \(54\) |
risch | \(\frac {x}{a^{4}}+\frac {8 i \left (105 \,{\mathrm e}^{12 i \left (d x +c \right )}-315 \,{\mathrm e}^{10 i \left (d x +c \right )}+770 \,{\mathrm e}^{8 i \left (d x +c \right )}-770 \,{\mathrm e}^{6 i \left (d x +c \right )}+609 \,{\mathrm e}^{4 i \left (d x +c \right )}-203 \,{\mathrm e}^{2 i \left (d x +c \right )}+44\right )}{105 d \,a^{4} \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )^{7}}\) | \(97\) |
parallelrisch | \(\frac {-15 \cot \left (\frac {d x}{2}+\frac {c}{2}\right )^{7}+15 \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{7}+189 \cot \left (\frac {d x}{2}+\frac {c}{2}\right )^{5}-189 \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{5}-1295 \cot \left (\frac {d x}{2}+\frac {c}{2}\right )^{3}+1295 \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{3}+13440 d x +9765 \cot \left (\frac {d x}{2}+\frac {c}{2}\right )-9765 \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{13440 d \,a^{4}}\) | \(114\) |
norman | \(\frac {\frac {x \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{7}}{a}-\frac {1}{896 a d}+\frac {9 \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}}{640 a d}-\frac {37 \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{4}}{384 a d}+\frac {93 \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{6}}{128 a d}-\frac {93 \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{8}}{128 a d}+\frac {37 \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{10}}{384 a d}-\frac {9 \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{12}}{640 a d}+\frac {\tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{14}}{896 a d}}{a^{3} \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{7}}\) | \(174\) |
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Leaf count of result is larger than twice the leaf count of optimal. 147 vs. \(2 (67) = 134\).
Time = 0.24 (sec) , antiderivative size = 147, normalized size of antiderivative = 2.01 \[ \int \frac {1}{\left (a-a \sec ^2(c+d x)\right )^4} \, dx=\frac {176 \, \cos \left (d x + c\right )^{7} - 406 \, \cos \left (d x + c\right )^{5} + 350 \, \cos \left (d x + c\right )^{3} + 105 \, {\left (d x \cos \left (d x + c\right )^{6} - 3 \, d x \cos \left (d x + c\right )^{4} + 3 \, d x \cos \left (d x + c\right )^{2} - d x\right )} \sin \left (d x + c\right ) - 105 \, \cos \left (d x + c\right )}{105 \, {\left (a^{4} d \cos \left (d x + c\right )^{6} - 3 \, a^{4} d \cos \left (d x + c\right )^{4} + 3 \, a^{4} d \cos \left (d x + c\right )^{2} - a^{4} d\right )} \sin \left (d x + c\right )} \]
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\[ \int \frac {1}{\left (a-a \sec ^2(c+d x)\right )^4} \, dx=\frac {\int \frac {1}{\sec ^{8}{\left (c + d x \right )} - 4 \sec ^{6}{\left (c + d x \right )} + 6 \sec ^{4}{\left (c + d x \right )} - 4 \sec ^{2}{\left (c + d x \right )} + 1}\, dx}{a^{4}} \]
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none
Time = 0.28 (sec) , antiderivative size = 60, normalized size of antiderivative = 0.82 \[ \int \frac {1}{\left (a-a \sec ^2(c+d x)\right )^4} \, dx=\frac {\frac {105 \, {\left (d x + c\right )}}{a^{4}} + \frac {105 \, \tan \left (d x + c\right )^{6} - 35 \, \tan \left (d x + c\right )^{4} + 21 \, \tan \left (d x + c\right )^{2} - 15}{a^{4} \tan \left (d x + c\right )^{7}}}{105 \, d} \]
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Leaf count of result is larger than twice the leaf count of optimal. 139 vs. \(2 (67) = 134\).
Time = 0.31 (sec) , antiderivative size = 139, normalized size of antiderivative = 1.90 \[ \int \frac {1}{\left (a-a \sec ^2(c+d x)\right )^4} \, dx=\frac {\frac {13440 \, {\left (d x + c\right )}}{a^{4}} + \frac {9765 \, \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{6} - 1295 \, \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{4} + 189 \, \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 15}{a^{4} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{7}} + \frac {15 \, a^{24} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{7} - 189 \, a^{24} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{5} + 1295 \, a^{24} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - 9765 \, a^{24} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )}{a^{28}}}{13440 \, d} \]
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Time = 19.07 (sec) , antiderivative size = 51, normalized size of antiderivative = 0.70 \[ \int \frac {1}{\left (a-a \sec ^2(c+d x)\right )^4} \, dx=\frac {x}{a^4}+\frac {{\mathrm {tan}\left (c+d\,x\right )}^6-\frac {{\mathrm {tan}\left (c+d\,x\right )}^4}{3}+\frac {{\mathrm {tan}\left (c+d\,x\right )}^2}{5}-\frac {1}{7}}{a^4\,d\,{\mathrm {tan}\left (c+d\,x\right )}^7} \]
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