Integrand size = 24, antiderivative size = 55 \[ \int \frac {\sec ^{10}(c+d x)}{(a+i a \tan (c+d x))^3} \, dx=\frac {2 i (a-i a \tan (c+d x))^5}{5 a^8 d}-\frac {i (a-i a \tan (c+d x))^6}{6 a^9 d} \]
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Time = 0.06 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {3568, 45} \[ \int \frac {\sec ^{10}(c+d x)}{(a+i a \tan (c+d x))^3} \, dx=\frac {2 i (a-i a \tan (c+d x))^5}{5 a^8 d}-\frac {i (a-i a \tan (c+d x))^6}{6 a^9 d} \]
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Rule 45
Rule 3568
Rubi steps \begin{align*} \text {integral}& = -\frac {i \text {Subst}\left (\int (a-x)^4 (a+x) \, dx,x,i a \tan (c+d x)\right )}{a^9 d} \\ & = -\frac {i \text {Subst}\left (\int \left (2 a (a-x)^4-(a-x)^5\right ) \, dx,x,i a \tan (c+d x)\right )}{a^9 d} \\ & = \frac {2 i (a-i a \tan (c+d x))^5}{5 a^8 d}-\frac {i (a-i a \tan (c+d x))^6}{6 a^9 d} \\ \end{align*}
Time = 0.12 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.62 \[ \int \frac {\sec ^{10}(c+d x)}{(a+i a \tan (c+d x))^3} \, dx=\frac {(7+5 i \tan (c+d x)) (i+\tan (c+d x))^5}{30 a^3 d} \]
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Time = 0.44 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.65
method | result | size |
risch | \(\frac {32 i \left (6 \,{\mathrm e}^{2 i \left (d x +c \right )}+1\right )}{15 d \,a^{3} \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )^{6}}\) | \(36\) |
derivativedivides | \(-\frac {i \left (i \tan \left (d x +c \right )-\frac {\left (\tan ^{6}\left (d x +c \right )\right )}{6}-\frac {3 i \left (\tan ^{5}\left (d x +c \right )\right )}{5}+\frac {\left (\tan ^{4}\left (d x +c \right )\right )}{2}-\frac {2 i \left (\tan ^{3}\left (d x +c \right )\right )}{3}+\frac {3 \left (\tan ^{2}\left (d x +c \right )\right )}{2}\right )}{a^{3} d}\) | \(72\) |
default | \(-\frac {i \left (i \tan \left (d x +c \right )-\frac {\left (\tan ^{6}\left (d x +c \right )\right )}{6}-\frac {3 i \left (\tan ^{5}\left (d x +c \right )\right )}{5}+\frac {\left (\tan ^{4}\left (d x +c \right )\right )}{2}-\frac {2 i \left (\tan ^{3}\left (d x +c \right )\right )}{3}+\frac {3 \left (\tan ^{2}\left (d x +c \right )\right )}{2}\right )}{a^{3} d}\) | \(72\) |
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 112 vs. \(2 (43) = 86\).
Time = 0.24 (sec) , antiderivative size = 112, normalized size of antiderivative = 2.04 \[ \int \frac {\sec ^{10}(c+d x)}{(a+i a \tan (c+d x))^3} \, dx=-\frac {32 \, {\left (-6 i \, e^{\left (2 i \, d x + 2 i \, c\right )} - i\right )}}{15 \, {\left (a^{3} d e^{\left (12 i \, d x + 12 i \, c\right )} + 6 \, a^{3} d e^{\left (10 i \, d x + 10 i \, c\right )} + 15 \, a^{3} d e^{\left (8 i \, d x + 8 i \, c\right )} + 20 \, a^{3} d e^{\left (6 i \, d x + 6 i \, c\right )} + 15 \, a^{3} d e^{\left (4 i \, d x + 4 i \, c\right )} + 6 \, a^{3} d e^{\left (2 i \, d x + 2 i \, c\right )} + a^{3} d\right )}} \]
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\[ \int \frac {\sec ^{10}(c+d x)}{(a+i a \tan (c+d x))^3} \, dx=\frac {i \int \frac {\sec ^{10}{\left (c + d x \right )}}{\tan ^{3}{\left (c + d x \right )} - 3 i \tan ^{2}{\left (c + d x \right )} - 3 \tan {\left (c + d x \right )} + i}\, dx}{a^{3}} \]
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none
Time = 0.23 (sec) , antiderivative size = 67, normalized size of antiderivative = 1.22 \[ \int \frac {\sec ^{10}(c+d x)}{(a+i a \tan (c+d x))^3} \, dx=\frac {5 i \, \tan \left (d x + c\right )^{6} - 18 \, \tan \left (d x + c\right )^{5} - 15 i \, \tan \left (d x + c\right )^{4} - 20 \, \tan \left (d x + c\right )^{3} - 45 i \, \tan \left (d x + c\right )^{2} + 30 \, \tan \left (d x + c\right )}{30 \, a^{3} d} \]
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Time = 0.64 (sec) , antiderivative size = 67, normalized size of antiderivative = 1.22 \[ \int \frac {\sec ^{10}(c+d x)}{(a+i a \tan (c+d x))^3} \, dx=-\frac {-5 i \, \tan \left (d x + c\right )^{6} + 18 \, \tan \left (d x + c\right )^{5} + 15 i \, \tan \left (d x + c\right )^{4} + 20 \, \tan \left (d x + c\right )^{3} + 45 i \, \tan \left (d x + c\right )^{2} - 30 \, \tan \left (d x + c\right )}{30 \, a^{3} d} \]
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Time = 3.79 (sec) , antiderivative size = 114, normalized size of antiderivative = 2.07 \[ \int \frac {\sec ^{10}(c+d x)}{(a+i a \tan (c+d x))^3} \, dx=-\frac {\sin \left (c+d\,x\right )\,\left (-30\,{\cos \left (c+d\,x\right )}^5+{\cos \left (c+d\,x\right )}^4\,\sin \left (c+d\,x\right )\,45{}\mathrm {i}+20\,{\cos \left (c+d\,x\right )}^3\,{\sin \left (c+d\,x\right )}^2+{\cos \left (c+d\,x\right )}^2\,{\sin \left (c+d\,x\right )}^3\,15{}\mathrm {i}+18\,\cos \left (c+d\,x\right )\,{\sin \left (c+d\,x\right )}^4-{\sin \left (c+d\,x\right )}^5\,5{}\mathrm {i}\right )}{30\,a^3\,d\,{\cos \left (c+d\,x\right )}^6} \]
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