Integrand size = 24, antiderivative size = 67 \[ \int \tan (c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=-\frac {\sqrt {2} \sqrt {a} \text {arctanh}\left (\frac {\sqrt {a+i a \tan (c+d x)}}{\sqrt {2} \sqrt {a}}\right )}{d}+\frac {2 \sqrt {a+i a \tan (c+d x)}}{d} \]
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Time = 0.07 (sec) , antiderivative size = 67, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {3608, 3561, 212} \[ \int \tan (c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=\frac {2 \sqrt {a+i a \tan (c+d x)}}{d}-\frac {\sqrt {2} \sqrt {a} \text {arctanh}\left (\frac {\sqrt {a+i a \tan (c+d x)}}{\sqrt {2} \sqrt {a}}\right )}{d} \]
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Rule 212
Rule 3561
Rule 3608
Rubi steps \begin{align*} \text {integral}& = \frac {2 \sqrt {a+i a \tan (c+d x)}}{d}-i \int \sqrt {a+i a \tan (c+d x)} \, dx \\ & = \frac {2 \sqrt {a+i a \tan (c+d x)}}{d}-\frac {(2 a) \text {Subst}\left (\int \frac {1}{2 a-x^2} \, dx,x,\sqrt {a+i a \tan (c+d x)}\right )}{d} \\ & = -\frac {\sqrt {2} \sqrt {a} \text {arctanh}\left (\frac {\sqrt {a+i a \tan (c+d x)}}{\sqrt {2} \sqrt {a}}\right )}{d}+\frac {2 \sqrt {a+i a \tan (c+d x)}}{d} \\ \end{align*}
Time = 0.15 (sec) , antiderivative size = 67, normalized size of antiderivative = 1.00 \[ \int \tan (c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=-\frac {\sqrt {2} \sqrt {a} \text {arctanh}\left (\frac {\sqrt {a+i a \tan (c+d x)}}{\sqrt {2} \sqrt {a}}\right )}{d}+\frac {2 \sqrt {a+i a \tan (c+d x)}}{d} \]
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Time = 1.08 (sec) , antiderivative size = 53, normalized size of antiderivative = 0.79
method | result | size |
derivativedivides | \(\frac {2 \sqrt {a +i a \tan \left (d x +c \right )}-\sqrt {a}\, \sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {a +i a \tan \left (d x +c \right )}\, \sqrt {2}}{2 \sqrt {a}}\right )}{d}\) | \(53\) |
default | \(\frac {2 \sqrt {a +i a \tan \left (d x +c \right )}-\sqrt {a}\, \sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {a +i a \tan \left (d x +c \right )}\, \sqrt {2}}{2 \sqrt {a}}\right )}{d}\) | \(53\) |
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 187 vs. \(2 (52) = 104\).
Time = 0.24 (sec) , antiderivative size = 187, normalized size of antiderivative = 2.79 \[ \int \tan (c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=-\frac {\sqrt {2} d \sqrt {\frac {a}{d^{2}}} \log \left (4 \, {\left ({\left (d e^{\left (2 i \, d x + 2 i \, c\right )} + d\right )} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} \sqrt {\frac {a}{d^{2}}} + a e^{\left (i \, d x + i \, c\right )}\right )} e^{\left (-i \, d x - i \, c\right )}\right ) - \sqrt {2} d \sqrt {\frac {a}{d^{2}}} \log \left (-4 \, {\left ({\left (d e^{\left (2 i \, d x + 2 i \, c\right )} + d\right )} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} \sqrt {\frac {a}{d^{2}}} - a e^{\left (i \, d x + i \, c\right )}\right )} e^{\left (-i \, d x - i \, c\right )}\right ) - 4 \, \sqrt {2} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} e^{\left (i \, d x + i \, c\right )}}{2 \, d} \]
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\[ \int \tan (c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=\int \sqrt {i a \left (\tan {\left (c + d x \right )} - i\right )} \tan {\left (c + d x \right )}\, dx \]
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none
Time = 0.30 (sec) , antiderivative size = 83, normalized size of antiderivative = 1.24 \[ \int \tan (c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=\frac {\sqrt {2} a^{\frac {5}{2}} \log \left (-\frac {\sqrt {2} \sqrt {a} - \sqrt {i \, a \tan \left (d x + c\right ) + a}}{\sqrt {2} \sqrt {a} + \sqrt {i \, a \tan \left (d x + c\right ) + a}}\right ) + 4 \, \sqrt {i \, a \tan \left (d x + c\right ) + a} a^{2}}{2 \, a^{2} d} \]
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Timed out. \[ \int \tan (c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=\text {Timed out} \]
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Time = 4.37 (sec) , antiderivative size = 54, normalized size of antiderivative = 0.81 \[ \int \tan (c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=\frac {2\,\sqrt {a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}}}{d}-\frac {\sqrt {2}\,\sqrt {a}\,\mathrm {atanh}\left (\frac {\sqrt {2}\,\sqrt {a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}}}{2\,\sqrt {a}}\right )}{d} \]
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