Integrand size = 34, antiderivative size = 109 \[ \int \frac {\tan (c+d x) (A+B \tan (c+d x))}{\sqrt {a+i a \tan (c+d x)}} \, dx=-\frac {(A-i B) \text {arctanh}\left (\frac {\sqrt {a+i a \tan (c+d x)}}{\sqrt {2} \sqrt {a}}\right )}{\sqrt {2} \sqrt {a} d}-\frac {A+i B}{d \sqrt {a+i a \tan (c+d x)}}-\frac {2 i B \sqrt {a+i a \tan (c+d x)}}{a d} \]
[Out]
Time = 0.18 (sec) , antiderivative size = 109, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {3673, 3607, 3561, 212} \[ \int \frac {\tan (c+d x) (A+B \tan (c+d x))}{\sqrt {a+i a \tan (c+d x)}} \, dx=-\frac {(A-i B) \text {arctanh}\left (\frac {\sqrt {a+i a \tan (c+d x)}}{\sqrt {2} \sqrt {a}}\right )}{\sqrt {2} \sqrt {a} d}-\frac {A+i B}{d \sqrt {a+i a \tan (c+d x)}}-\frac {2 i B \sqrt {a+i a \tan (c+d x)}}{a d} \]
[In]
[Out]
Rule 212
Rule 3561
Rule 3607
Rule 3673
Rubi steps \begin{align*} \text {integral}& = -\frac {2 i B \sqrt {a+i a \tan (c+d x)}}{a d}+\int \frac {-B+A \tan (c+d x)}{\sqrt {a+i a \tan (c+d x)}} \, dx \\ & = -\frac {A+i B}{d \sqrt {a+i a \tan (c+d x)}}-\frac {2 i B \sqrt {a+i a \tan (c+d x)}}{a d}-\frac {(i A+B) \int \sqrt {a+i a \tan (c+d x)} \, dx}{2 a} \\ & = -\frac {A+i B}{d \sqrt {a+i a \tan (c+d x)}}-\frac {2 i B \sqrt {a+i a \tan (c+d x)}}{a d}-\frac {(A-i B) \text {Subst}\left (\int \frac {1}{2 a-x^2} \, dx,x,\sqrt {a+i a \tan (c+d x)}\right )}{d} \\ & = -\frac {(A-i B) \text {arctanh}\left (\frac {\sqrt {a+i a \tan (c+d x)}}{\sqrt {2} \sqrt {a}}\right )}{\sqrt {2} \sqrt {a} d}-\frac {A+i B}{d \sqrt {a+i a \tan (c+d x)}}-\frac {2 i B \sqrt {a+i a \tan (c+d x)}}{a d} \\ \end{align*}
Time = 1.36 (sec) , antiderivative size = 109, normalized size of antiderivative = 1.00 \[ \int \frac {\tan (c+d x) (A+B \tan (c+d x))}{\sqrt {a+i a \tan (c+d x)}} \, dx=-\frac {(A-i B) \text {arctanh}\left (\frac {\sqrt {a+i a \tan (c+d x)}}{\sqrt {2} \sqrt {a}}\right )}{\sqrt {2} \sqrt {a} d}-\frac {A+i B}{d \sqrt {a+i a \tan (c+d x)}}-\frac {2 i B \sqrt {a+i a \tan (c+d x)}}{a d} \]
[In]
[Out]
Time = 0.14 (sec) , antiderivative size = 88, normalized size of antiderivative = 0.81
method | result | size |
derivativedivides | \(\frac {-2 i B \sqrt {a +i a \tan \left (d x +c \right )}-\frac {a \left (i B +A \right )}{\sqrt {a +i a \tan \left (d x +c \right )}}-\frac {\sqrt {a}\, \left (-i B +A \right ) \sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {a +i a \tan \left (d x +c \right )}\, \sqrt {2}}{2 \sqrt {a}}\right )}{2}}{a d}\) | \(88\) |
default | \(\frac {-2 i B \sqrt {a +i a \tan \left (d x +c \right )}-\frac {a \left (i B +A \right )}{\sqrt {a +i a \tan \left (d x +c \right )}}-\frac {\sqrt {a}\, \left (-i B +A \right ) \sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {a +i a \tan \left (d x +c \right )}\, \sqrt {2}}{2 \sqrt {a}}\right )}{2}}{a d}\) | \(88\) |
parts | \(\frac {A \left (-\frac {\sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {a +i a \tan \left (d x +c \right )}\, \sqrt {2}}{2 \sqrt {a}}\right )}{2 \sqrt {a}}-\frac {1}{\sqrt {a +i a \tan \left (d x +c \right )}}\right )}{d}+\frac {2 i B \left (-\sqrt {a +i a \tan \left (d x +c \right )}+\frac {\sqrt {a}\, \sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {a +i a \tan \left (d x +c \right )}\, \sqrt {2}}{2 \sqrt {a}}\right )}{4}-\frac {a}{2 \sqrt {a +i a \tan \left (d x +c \right )}}\right )}{d a}\) | \(130\) |
[In]
[Out]
Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 327 vs. \(2 (84) = 168\).
Time = 0.25 (sec) , antiderivative size = 327, normalized size of antiderivative = 3.00 \[ \int \frac {\tan (c+d x) (A+B \tan (c+d x))}{\sqrt {a+i a \tan (c+d x)}} \, dx=\frac {{\left (\sqrt {2} a d \sqrt {\frac {A^{2} - 2 i \, A B - B^{2}}{a d^{2}}} e^{\left (i \, d x + i \, c\right )} \log \left (-\frac {4 \, {\left ({\left (-i \, A - B\right )} a e^{\left (i \, d x + i \, c\right )} + {\left (i \, a d e^{\left (2 i \, d x + 2 i \, c\right )} + i \, a d\right )} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} \sqrt {\frac {A^{2} - 2 i \, A B - B^{2}}{a d^{2}}}\right )} e^{\left (-i \, d x - i \, c\right )}}{i \, A + B}\right ) - \sqrt {2} a d \sqrt {\frac {A^{2} - 2 i \, A B - B^{2}}{a d^{2}}} e^{\left (i \, d x + i \, c\right )} \log \left (-\frac {4 \, {\left ({\left (-i \, A - B\right )} a e^{\left (i \, d x + i \, c\right )} + {\left (-i \, a d e^{\left (2 i \, d x + 2 i \, c\right )} - i \, a d\right )} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} \sqrt {\frac {A^{2} - 2 i \, A B - B^{2}}{a d^{2}}}\right )} e^{\left (-i \, d x - i \, c\right )}}{i \, A + B}\right ) - 2 \, \sqrt {2} {\left ({\left (A + 5 i \, B\right )} e^{\left (2 i \, d x + 2 i \, c\right )} + A + i \, B\right )} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}}\right )} e^{\left (-i \, d x - i \, c\right )}}{4 \, a d} \]
[In]
[Out]
\[ \int \frac {\tan (c+d x) (A+B \tan (c+d x))}{\sqrt {a+i a \tan (c+d x)}} \, dx=\int \frac {\left (A + B \tan {\left (c + d x \right )}\right ) \tan {\left (c + d x \right )}}{\sqrt {i a \left (\tan {\left (c + d x \right )} - i\right )}}\, dx \]
[In]
[Out]
none
Time = 0.30 (sec) , antiderivative size = 110, normalized size of antiderivative = 1.01 \[ \int \frac {\tan (c+d x) (A+B \tan (c+d x))}{\sqrt {a+i a \tan (c+d x)}} \, dx=\frac {\sqrt {2} {\left (A - i \, B\right )} a^{\frac {3}{2}} \log \left (-\frac {\sqrt {2} \sqrt {a} - \sqrt {i \, a \tan \left (d x + c\right ) + a}}{\sqrt {2} \sqrt {a} + \sqrt {i \, a \tan \left (d x + c\right ) + a}}\right ) - 8 i \, \sqrt {i \, a \tan \left (d x + c\right ) + a} B a - \frac {4 \, {\left (A + i \, B\right )} a^{2}}{\sqrt {i \, a \tan \left (d x + c\right ) + a}}}{4 \, a^{2} d} \]
[In]
[Out]
\[ \int \frac {\tan (c+d x) (A+B \tan (c+d x))}{\sqrt {a+i a \tan (c+d x)}} \, dx=\int { \frac {{\left (B \tan \left (d x + c\right ) + A\right )} \tan \left (d x + c\right )}{\sqrt {i \, a \tan \left (d x + c\right ) + a}} \,d x } \]
[In]
[Out]
Time = 1.07 (sec) , antiderivative size = 141, normalized size of antiderivative = 1.29 \[ \int \frac {\tan (c+d x) (A+B \tan (c+d x))}{\sqrt {a+i a \tan (c+d x)}} \, dx=-\frac {A}{d\,\sqrt {a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}}}-\frac {B\,1{}\mathrm {i}}{d\,\sqrt {a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}}}-\frac {B\,\sqrt {a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}}\,2{}\mathrm {i}}{a\,d}-\frac {\sqrt {2}\,B\,\mathrm {atan}\left (\frac {\sqrt {2}\,\sqrt {a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}}}{2\,\sqrt {-a}}\right )\,1{}\mathrm {i}}{2\,\sqrt {-a}\,d}-\frac {\sqrt {2}\,A\,\mathrm {atanh}\left (\frac {\sqrt {2}\,\sqrt {a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}}}{2\,\sqrt {a}}\right )}{2\,\sqrt {a}\,d} \]
[In]
[Out]