Integrand size = 26, antiderivative size = 121 \[ \int \frac {\sec ^5(c+d x)}{(a+i a \tan (c+d x))^{7/2}} \, dx=-\frac {3 i \sqrt {2} \text {arctanh}\left (\frac {\sqrt {a} \sec (c+d x)}{\sqrt {2} \sqrt {a+i a \tan (c+d x)}}\right )}{a^{7/2} d}-\frac {2 i \sec ^3(c+d x)}{a d (a+i a \tan (c+d x))^{5/2}}+\frac {6 i \sec (c+d x)}{a^2 d (a+i a \tan (c+d x))^{3/2}} \]
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Time = 0.28 (sec) , antiderivative size = 121, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {3582, 3583, 3570, 212} \[ \int \frac {\sec ^5(c+d x)}{(a+i a \tan (c+d x))^{7/2}} \, dx=-\frac {3 i \sqrt {2} \text {arctanh}\left (\frac {\sqrt {a} \sec (c+d x)}{\sqrt {2} \sqrt {a+i a \tan (c+d x)}}\right )}{a^{7/2} d}+\frac {6 i \sec (c+d x)}{a^2 d (a+i a \tan (c+d x))^{3/2}}-\frac {2 i \sec ^3(c+d x)}{a d (a+i a \tan (c+d x))^{5/2}} \]
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Rule 212
Rule 3570
Rule 3582
Rule 3583
Rubi steps \begin{align*} \text {integral}& = -\frac {2 i \sec ^3(c+d x)}{a d (a+i a \tan (c+d x))^{5/2}}+\frac {6 \int \frac {\sec ^3(c+d x)}{(a+i a \tan (c+d x))^{5/2}} \, dx}{a} \\ & = -\frac {2 i \sec ^3(c+d x)}{a d (a+i a \tan (c+d x))^{5/2}}+\frac {12 i \sec (c+d x)}{a^2 d (a+i a \tan (c+d x))^{3/2}}-\frac {12 \int \frac {\sec (c+d x)}{(a+i a \tan (c+d x))^{3/2}} \, dx}{a^2} \\ & = -\frac {2 i \sec ^3(c+d x)}{a d (a+i a \tan (c+d x))^{5/2}}+\frac {6 i \sec (c+d x)}{a^2 d (a+i a \tan (c+d x))^{3/2}}-\frac {3 \int \frac {\sec (c+d x)}{\sqrt {a+i a \tan (c+d x)}} \, dx}{a^3} \\ & = -\frac {2 i \sec ^3(c+d x)}{a d (a+i a \tan (c+d x))^{5/2}}+\frac {6 i \sec (c+d x)}{a^2 d (a+i a \tan (c+d x))^{3/2}}-\frac {(6 i) \text {Subst}\left (\int \frac {1}{2-a x^2} \, dx,x,\frac {\sec (c+d x)}{\sqrt {a+i a \tan (c+d x)}}\right )}{a^3 d} \\ & = -\frac {3 i \sqrt {2} \text {arctanh}\left (\frac {\sqrt {a} \sec (c+d x)}{\sqrt {2} \sqrt {a+i a \tan (c+d x)}}\right )}{a^{7/2} d}-\frac {2 i \sec ^3(c+d x)}{a d (a+i a \tan (c+d x))^{5/2}}+\frac {6 i \sec (c+d x)}{a^2 d (a+i a \tan (c+d x))^{3/2}} \\ \end{align*}
Time = 1.78 (sec) , antiderivative size = 126, normalized size of antiderivative = 1.04 \[ \int \frac {\sec ^5(c+d x)}{(a+i a \tan (c+d x))^{7/2}} \, dx=\frac {16 e^{5 i (c+d x)} \left (-1-3 e^{2 i (c+d x)}+3 e^{2 i (c+d x)} \sqrt {1+e^{2 i (c+d x)}} \text {arctanh}\left (\sqrt {1+e^{2 i (c+d x)}}\right )\right )}{a^3 d \left (1+e^{2 i (c+d x)}\right )^4 (-i+\tan (c+d x))^3 \sqrt {a+i a \tan (c+d x)}} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 424 vs. \(2 (102 ) = 204\).
Time = 10.22 (sec) , antiderivative size = 425, normalized size of antiderivative = 3.51
method | result | size |
default | \(\frac {\left (3 \sqrt {2}\, \arctan \left (\frac {\left (i \left (\csc \left (d x +c \right )-\cot \left (d x +c \right )\right )-1\right ) \sqrt {2}}{2 \sqrt {\left (\csc ^{2}\left (d x +c \right )\right ) \left (1-\cos \left (d x +c \right )\right )^{2}-1}}\right ) \sqrt {\left (\csc ^{2}\left (d x +c \right )\right ) \left (1-\cos \left (d x +c \right )\right )^{2}-1}+6 i \sqrt {2}\, \arctan \left (\frac {\left (i \left (\csc \left (d x +c \right )-\cot \left (d x +c \right )\right )-1\right ) \sqrt {2}}{2 \sqrt {\left (\csc ^{2}\left (d x +c \right )\right ) \left (1-\cos \left (d x +c \right )\right )^{2}-1}}\right ) \sqrt {\left (\csc ^{2}\left (d x +c \right )\right ) \left (1-\cos \left (d x +c \right )\right )^{2}-1}\, \left (\csc \left (d x +c \right )-\cot \left (d x +c \right )\right )-3 \left (\csc ^{2}\left (d x +c \right )\right ) \sqrt {2}\, \arctan \left (\frac {\left (i \left (\csc \left (d x +c \right )-\cot \left (d x +c \right )\right )-1\right ) \sqrt {2}}{2 \sqrt {\left (\csc ^{2}\left (d x +c \right )\right ) \left (1-\cos \left (d x +c \right )\right )^{2}-1}}\right ) \sqrt {\left (\csc ^{2}\left (d x +c \right )\right ) \left (1-\cos \left (d x +c \right )\right )^{2}-1}\, \left (1-\cos \left (d x +c \right )\right )^{2}+4+4 i \left (\csc ^{3}\left (d x +c \right )\right ) \left (1-\cos \left (d x +c \right )\right )^{3}\right ) \left (-\csc \left (d x +c \right )+\cot \left (d x +c \right )+i\right )^{5}}{d {\left (\left (\csc ^{2}\left (d x +c \right )\right ) \left (1-\cos \left (d x +c \right )\right )^{2}-1\right )}^{4} {\left (-\frac {a \left (2 i \left (\csc \left (d x +c \right )-\cot \left (d x +c \right )\right )-\left (\csc ^{2}\left (d x +c \right )\right ) \left (1-\cos \left (d x +c \right )\right )^{2}+1\right )}{\left (\csc ^{2}\left (d x +c \right )\right ) \left (1-\cos \left (d x +c \right )\right )^{2}-1}\right )}^{\frac {7}{2}}}\) | \(425\) |
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 245 vs. \(2 (96) = 192\).
Time = 0.25 (sec) , antiderivative size = 245, normalized size of antiderivative = 2.02 \[ \int \frac {\sec ^5(c+d x)}{(a+i a \tan (c+d x))^{7/2}} \, dx=\frac {{\left (-3 i \, \sqrt {2} a^{4} d \sqrt {\frac {1}{a^{7} d^{2}}} e^{\left (2 i \, d x + 2 i \, c\right )} \log \left (-\frac {12 \, {\left ({\left (i \, a^{3} d e^{\left (2 i \, d x + 2 i \, c\right )} + i \, a^{3} d\right )} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} \sqrt {\frac {1}{a^{7} d^{2}}} + i\right )} e^{\left (-i \, d x - i \, c\right )}}{a^{3} d}\right ) + 3 i \, \sqrt {2} a^{4} d \sqrt {\frac {1}{a^{7} d^{2}}} e^{\left (2 i \, d x + 2 i \, c\right )} \log \left (-\frac {12 \, {\left ({\left (-i \, a^{3} d e^{\left (2 i \, d x + 2 i \, c\right )} - i \, a^{3} d\right )} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} \sqrt {\frac {1}{a^{7} d^{2}}} + i\right )} e^{\left (-i \, d x - i \, c\right )}}{a^{3} d}\right ) - 2 \, \sqrt {2} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} {\left (-3 i \, e^{\left (2 i \, d x + 2 i \, c\right )} - i\right )}\right )} e^{\left (-2 i \, d x - 2 i \, c\right )}}{2 \, a^{4} d} \]
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\[ \int \frac {\sec ^5(c+d x)}{(a+i a \tan (c+d x))^{7/2}} \, dx=\int \frac {\sec ^{5}{\left (c + d x \right )}}{\left (i a \left (\tan {\left (c + d x \right )} - i\right )\right )^{\frac {7}{2}}}\, dx \]
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Timed out. \[ \int \frac {\sec ^5(c+d x)}{(a+i a \tan (c+d x))^{7/2}} \, dx=\text {Timed out} \]
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\[ \int \frac {\sec ^5(c+d x)}{(a+i a \tan (c+d x))^{7/2}} \, dx=\int { \frac {\sec \left (d x + c\right )^{5}}{{\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {7}{2}}} \,d x } \]
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Timed out. \[ \int \frac {\sec ^5(c+d x)}{(a+i a \tan (c+d x))^{7/2}} \, dx=\int \frac {1}{{\cos \left (c+d\,x\right )}^5\,{\left (a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )}^{7/2}} \,d x \]
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