Integrand size = 17, antiderivative size = 104 \[ \int \frac {1}{(a+i a \tan (c+d x))^{3/2}} \, dx=-\frac {i \text {arctanh}\left (\frac {\sqrt {a+i a \tan (c+d x)}}{\sqrt {2} \sqrt {a}}\right )}{2 \sqrt {2} a^{3/2} d}+\frac {i}{3 d (a+i a \tan (c+d x))^{3/2}}+\frac {i}{2 a d \sqrt {a+i a \tan (c+d x)}} \]
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Time = 0.07 (sec) , antiderivative size = 104, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.176, Rules used = {3560, 3561, 212} \[ \int \frac {1}{(a+i a \tan (c+d x))^{3/2}} \, dx=-\frac {i \text {arctanh}\left (\frac {\sqrt {a+i a \tan (c+d x)}}{\sqrt {2} \sqrt {a}}\right )}{2 \sqrt {2} a^{3/2} d}+\frac {i}{2 a d \sqrt {a+i a \tan (c+d x)}}+\frac {i}{3 d (a+i a \tan (c+d x))^{3/2}} \]
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Rule 212
Rule 3560
Rule 3561
Rubi steps \begin{align*} \text {integral}& = \frac {i}{3 d (a+i a \tan (c+d x))^{3/2}}+\frac {\int \frac {1}{\sqrt {a+i a \tan (c+d x)}} \, dx}{2 a} \\ & = \frac {i}{3 d (a+i a \tan (c+d x))^{3/2}}+\frac {i}{2 a d \sqrt {a+i a \tan (c+d x)}}+\frac {\int \sqrt {a+i a \tan (c+d x)} \, dx}{4 a^2} \\ & = \frac {i}{3 d (a+i a \tan (c+d x))^{3/2}}+\frac {i}{2 a d \sqrt {a+i a \tan (c+d x)}}-\frac {i \text {Subst}\left (\int \frac {1}{2 a-x^2} \, dx,x,\sqrt {a+i a \tan (c+d x)}\right )}{2 a d} \\ & = -\frac {i \text {arctanh}\left (\frac {\sqrt {a+i a \tan (c+d x)}}{\sqrt {2} \sqrt {a}}\right )}{2 \sqrt {2} a^{3/2} d}+\frac {i}{3 d (a+i a \tan (c+d x))^{3/2}}+\frac {i}{2 a d \sqrt {a+i a \tan (c+d x)}} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.
Time = 0.11 (sec) , antiderivative size = 50, normalized size of antiderivative = 0.48 \[ \int \frac {1}{(a+i a \tan (c+d x))^{3/2}} \, dx=\frac {i \operatorname {Hypergeometric2F1}\left (-\frac {3}{2},1,-\frac {1}{2},\frac {1}{2} (1+i \tan (c+d x))\right )}{3 d (a+i a \tan (c+d x))^{3/2}} \]
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Time = 0.88 (sec) , antiderivative size = 78, normalized size of antiderivative = 0.75
method | result | size |
derivativedivides | \(\frac {2 i a \left (-\frac {\sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {a +i a \tan \left (d x +c \right )}\, \sqrt {2}}{2 \sqrt {a}}\right )}{8 a^{\frac {5}{2}}}+\frac {1}{4 a^{2} \sqrt {a +i a \tan \left (d x +c \right )}}+\frac {1}{6 a \left (a +i a \tan \left (d x +c \right )\right )^{\frac {3}{2}}}\right )}{d}\) | \(78\) |
default | \(\frac {2 i a \left (-\frac {\sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {a +i a \tan \left (d x +c \right )}\, \sqrt {2}}{2 \sqrt {a}}\right )}{8 a^{\frac {5}{2}}}+\frac {1}{4 a^{2} \sqrt {a +i a \tan \left (d x +c \right )}}+\frac {1}{6 a \left (a +i a \tan \left (d x +c \right )\right )^{\frac {3}{2}}}\right )}{d}\) | \(78\) |
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 272 vs. \(2 (73) = 146\).
Time = 0.25 (sec) , antiderivative size = 272, normalized size of antiderivative = 2.62 \[ \int \frac {1}{(a+i a \tan (c+d x))^{3/2}} \, dx=\frac {{\left (-3 i \, \sqrt {\frac {1}{2}} a^{2} d \sqrt {\frac {1}{a^{3} d^{2}}} e^{\left (3 i \, d x + 3 i \, c\right )} \log \left (4 \, {\left (\sqrt {2} \sqrt {\frac {1}{2}} {\left (a^{2} d e^{\left (2 i \, d x + 2 i \, c\right )} + a^{2} d\right )} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} \sqrt {\frac {1}{a^{3} d^{2}}} + a e^{\left (i \, d x + i \, c\right )}\right )} e^{\left (-i \, d x - i \, c\right )}\right ) + 3 i \, \sqrt {\frac {1}{2}} a^{2} d \sqrt {\frac {1}{a^{3} d^{2}}} e^{\left (3 i \, d x + 3 i \, c\right )} \log \left (-4 \, {\left (\sqrt {2} \sqrt {\frac {1}{2}} {\left (a^{2} d e^{\left (2 i \, d x + 2 i \, c\right )} + a^{2} d\right )} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} \sqrt {\frac {1}{a^{3} d^{2}}} - a e^{\left (i \, d x + i \, c\right )}\right )} e^{\left (-i \, d x - i \, c\right )}\right ) + \sqrt {2} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} {\left (4 i \, e^{\left (4 i \, d x + 4 i \, c\right )} + 5 i \, e^{\left (2 i \, d x + 2 i \, c\right )} + i\right )}\right )} e^{\left (-3 i \, d x - 3 i \, c\right )}}{12 \, a^{2} d} \]
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\[ \int \frac {1}{(a+i a \tan (c+d x))^{3/2}} \, dx=\int \frac {1}{\left (i a \tan {\left (c + d x \right )} + a\right )^{\frac {3}{2}}}\, dx \]
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none
Time = 0.31 (sec) , antiderivative size = 94, normalized size of antiderivative = 0.90 \[ \int \frac {1}{(a+i a \tan (c+d x))^{3/2}} \, dx=\frac {i \, {\left (\frac {3 \, \sqrt {2} \log \left (-\frac {\sqrt {2} \sqrt {a} - \sqrt {i \, a \tan \left (d x + c\right ) + a}}{\sqrt {2} \sqrt {a} + \sqrt {i \, a \tan \left (d x + c\right ) + a}}\right )}{\sqrt {a}} + \frac {4 \, {\left (3 i \, a \tan \left (d x + c\right ) + 5 \, a\right )}}{{\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {3}{2}}}\right )}}{24 \, a d} \]
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\[ \int \frac {1}{(a+i a \tan (c+d x))^{3/2}} \, dx=\int { \frac {1}{{\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {3}{2}}} \,d x } \]
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Time = 4.39 (sec) , antiderivative size = 83, normalized size of antiderivative = 0.80 \[ \int \frac {1}{(a+i a \tan (c+d x))^{3/2}} \, dx=\frac {\frac {1{}\mathrm {i}}{3\,d}+\frac {\left (a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )\,1{}\mathrm {i}}{2\,a\,d}}{{\left (a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )}^{3/2}}-\frac {\sqrt {2}\,\mathrm {atan}\left (\frac {\sqrt {2}\,\sqrt {a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}}}{2\,\sqrt {-a}}\right )\,1{}\mathrm {i}}{4\,{\left (-a\right )}^{3/2}\,d} \]
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