Integrand size = 25, antiderivative size = 85 \[ \int \frac {4-3 \tan (a+b x)}{\sqrt {4+3 \tan (a+b x)}} \, dx=-\frac {9 \arctan \left (\frac {1-3 \tan (a+b x)}{\sqrt {2} \sqrt {4+3 \tan (a+b x)}}\right )}{5 \sqrt {2} b}+\frac {13 \text {arctanh}\left (\frac {3+\tan (a+b x)}{\sqrt {2} \sqrt {4+3 \tan (a+b x)}}\right )}{5 \sqrt {2} b} \]
[Out]
Time = 0.14 (sec) , antiderivative size = 85, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.160, Rules used = {3617, 3616, 209, 213} \[ \int \frac {4-3 \tan (a+b x)}{\sqrt {4+3 \tan (a+b x)}} \, dx=\frac {13 \text {arctanh}\left (\frac {\tan (a+b x)+3}{\sqrt {2} \sqrt {3 \tan (a+b x)+4}}\right )}{5 \sqrt {2} b}-\frac {9 \arctan \left (\frac {1-3 \tan (a+b x)}{\sqrt {2} \sqrt {3 \tan (a+b x)+4}}\right )}{5 \sqrt {2} b} \]
[In]
[Out]
Rule 209
Rule 213
Rule 3616
Rule 3617
Rubi steps \begin{align*} \text {integral}& = \frac {1}{10} \int \frac {27+9 \tan (a+b x)}{\sqrt {4+3 \tan (a+b x)}} \, dx-\frac {1}{10} \int \frac {-13+39 \tan (a+b x)}{\sqrt {4+3 \tan (a+b x)}} \, dx \\ & = -\frac {81 \text {Subst}\left (\int \frac {1}{162+x^2} \, dx,x,\frac {9-27 \tan (a+b x)}{\sqrt {4+3 \tan (a+b x)}}\right )}{5 b}+\frac {1521 \text {Subst}\left (\int \frac {1}{-27378+x^2} \, dx,x,\frac {-351-117 \tan (a+b x)}{\sqrt {4+3 \tan (a+b x)}}\right )}{5 b} \\ & = -\frac {9 \arctan \left (\frac {1-3 \tan (a+b x)}{\sqrt {2} \sqrt {4+3 \tan (a+b x)}}\right )}{5 \sqrt {2} b}+\frac {13 \text {arctanh}\left (\frac {3+\tan (a+b x)}{\sqrt {2} \sqrt {4+3 \tan (a+b x)}}\right )}{5 \sqrt {2} b} \\ \end{align*}
Result contains complex when optimal does not.
Time = 0.11 (sec) , antiderivative size = 75, normalized size of antiderivative = 0.88 \[ \int \frac {4-3 \tan (a+b x)}{\sqrt {4+3 \tan (a+b x)}} \, dx=\frac {(3-4 i) \text {arctanh}\left (\frac {\sqrt {4+3 \tan (a+b x)}}{\sqrt {4-3 i}}\right )}{\sqrt {4-3 i} b}+\frac {(3+4 i) \text {arctanh}\left (\frac {\sqrt {4+3 \tan (a+b x)}}{\sqrt {4+3 i}}\right )}{\sqrt {4+3 i} b} \]
[In]
[Out]
Time = 0.23 (sec) , antiderivative size = 134, normalized size of antiderivative = 1.58
method | result | size |
derivativedivides | \(\frac {\frac {13 \sqrt {2}\, \ln \left (9+3 \tan \left (b x +a \right )+3 \sqrt {4+3 \tan \left (b x +a \right )}\, \sqrt {2}\right )}{20}+\frac {9 \sqrt {2}\, \arctan \left (\frac {\left (2 \sqrt {4+3 \tan \left (b x +a \right )}+3 \sqrt {2}\right ) \sqrt {2}}{2}\right )}{10}-\frac {13 \sqrt {2}\, \ln \left (9+3 \tan \left (b x +a \right )-3 \sqrt {4+3 \tan \left (b x +a \right )}\, \sqrt {2}\right )}{20}+\frac {9 \sqrt {2}\, \arctan \left (\frac {\left (2 \sqrt {4+3 \tan \left (b x +a \right )}-3 \sqrt {2}\right ) \sqrt {2}}{2}\right )}{10}}{b}\) | \(134\) |
default | \(\frac {\frac {13 \sqrt {2}\, \ln \left (9+3 \tan \left (b x +a \right )+3 \sqrt {4+3 \tan \left (b x +a \right )}\, \sqrt {2}\right )}{20}+\frac {9 \sqrt {2}\, \arctan \left (\frac {\left (2 \sqrt {4+3 \tan \left (b x +a \right )}+3 \sqrt {2}\right ) \sqrt {2}}{2}\right )}{10}-\frac {13 \sqrt {2}\, \ln \left (9+3 \tan \left (b x +a \right )-3 \sqrt {4+3 \tan \left (b x +a \right )}\, \sqrt {2}\right )}{20}+\frac {9 \sqrt {2}\, \arctan \left (\frac {\left (2 \sqrt {4+3 \tan \left (b x +a \right )}-3 \sqrt {2}\right ) \sqrt {2}}{2}\right )}{10}}{b}\) | \(134\) |
parts | \(-\frac {\sqrt {2}\, \ln \left (9+3 \tan \left (b x +a \right )-3 \sqrt {4+3 \tan \left (b x +a \right )}\, \sqrt {2}\right )}{5 b}+\frac {6 \sqrt {2}\, \arctan \left (\frac {\left (2 \sqrt {4+3 \tan \left (b x +a \right )}-3 \sqrt {2}\right ) \sqrt {2}}{2}\right )}{5 b}+\frac {\sqrt {2}\, \ln \left (9+3 \tan \left (b x +a \right )+3 \sqrt {4+3 \tan \left (b x +a \right )}\, \sqrt {2}\right )}{5 b}+\frac {6 \sqrt {2}\, \arctan \left (\frac {\left (2 \sqrt {4+3 \tan \left (b x +a \right )}+3 \sqrt {2}\right ) \sqrt {2}}{2}\right )}{5 b}-\frac {3 \left (\frac {3 \sqrt {2}\, \ln \left (9+3 \tan \left (b x +a \right )-3 \sqrt {4+3 \tan \left (b x +a \right )}\, \sqrt {2}\right )}{20}+\frac {\sqrt {2}\, \arctan \left (\frac {\left (2 \sqrt {4+3 \tan \left (b x +a \right )}-3 \sqrt {2}\right ) \sqrt {2}}{2}\right )}{10}-\frac {3 \sqrt {2}\, \ln \left (9+3 \tan \left (b x +a \right )+3 \sqrt {4+3 \tan \left (b x +a \right )}\, \sqrt {2}\right )}{20}+\frac {\sqrt {2}\, \arctan \left (\frac {\left (2 \sqrt {4+3 \tan \left (b x +a \right )}+3 \sqrt {2}\right ) \sqrt {2}}{2}\right )}{10}\right )}{b}\) | \(276\) |
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 309 vs. \(2 (71) = 142\).
Time = 0.25 (sec) , antiderivative size = 309, normalized size of antiderivative = 3.64 \[ \int \frac {4-3 \tan (a+b x)}{\sqrt {4+3 \tan (a+b x)}} \, dx=-\frac {1}{10} \, \sqrt {\frac {117 \, b^{2} \sqrt {-\frac {1}{b^{4}}} + 44}{b^{2}}} \log \left (\frac {1}{5} \, {\left (7 \, b^{3} \sqrt {-\frac {1}{b^{4}}} - 24 \, b\right )} \sqrt {\frac {117 \, b^{2} \sqrt {-\frac {1}{b^{4}}} + 44}{b^{2}}} + 25 \, \sqrt {3 \, \tan \left (b x + a\right ) + 4}\right ) + \frac {1}{10} \, \sqrt {\frac {117 \, b^{2} \sqrt {-\frac {1}{b^{4}}} + 44}{b^{2}}} \log \left (-\frac {1}{5} \, {\left (7 \, b^{3} \sqrt {-\frac {1}{b^{4}}} - 24 \, b\right )} \sqrt {\frac {117 \, b^{2} \sqrt {-\frac {1}{b^{4}}} + 44}{b^{2}}} + 25 \, \sqrt {3 \, \tan \left (b x + a\right ) + 4}\right ) + \frac {1}{10} \, \sqrt {-\frac {117 \, b^{2} \sqrt {-\frac {1}{b^{4}}} - 44}{b^{2}}} \log \left (\frac {1}{5} \, {\left (7 \, b^{3} \sqrt {-\frac {1}{b^{4}}} + 24 \, b\right )} \sqrt {-\frac {117 \, b^{2} \sqrt {-\frac {1}{b^{4}}} - 44}{b^{2}}} + 25 \, \sqrt {3 \, \tan \left (b x + a\right ) + 4}\right ) - \frac {1}{10} \, \sqrt {-\frac {117 \, b^{2} \sqrt {-\frac {1}{b^{4}}} - 44}{b^{2}}} \log \left (-\frac {1}{5} \, {\left (7 \, b^{3} \sqrt {-\frac {1}{b^{4}}} + 24 \, b\right )} \sqrt {-\frac {117 \, b^{2} \sqrt {-\frac {1}{b^{4}}} - 44}{b^{2}}} + 25 \, \sqrt {3 \, \tan \left (b x + a\right ) + 4}\right ) \]
[In]
[Out]
\[ \int \frac {4-3 \tan (a+b x)}{\sqrt {4+3 \tan (a+b x)}} \, dx=- \int \frac {3 \tan {\left (a + b x \right )}}{\sqrt {3 \tan {\left (a + b x \right )} + 4}}\, dx - \int \left (- \frac {4}{\sqrt {3 \tan {\left (a + b x \right )} + 4}}\right )\, dx \]
[In]
[Out]
\[ \int \frac {4-3 \tan (a+b x)}{\sqrt {4+3 \tan (a+b x)}} \, dx=\int { -\frac {3 \, \tan \left (b x + a\right ) - 4}{\sqrt {3 \, \tan \left (b x + a\right ) + 4}} \,d x } \]
[In]
[Out]
Timed out. \[ \int \frac {4-3 \tan (a+b x)}{\sqrt {4+3 \tan (a+b x)}} \, dx=\text {Timed out} \]
[In]
[Out]
Time = 8.94 (sec) , antiderivative size = 147, normalized size of antiderivative = 1.73 \[ \int \frac {4-3 \tan (a+b x)}{\sqrt {4+3 \tan (a+b x)}} \, dx=\mathrm {atan}\left (\frac {b\,\sqrt {\frac {-\frac {16}{25}-\frac {12}{25}{}\mathrm {i}}{b^2}}\,\sqrt {3\,\mathrm {tan}\left (a+b\,x\right )+4}}{2}\right )\,\sqrt {\frac {-\frac {16}{25}-\frac {12}{25}{}\mathrm {i}}{b^2}}\,2{}\mathrm {i}-\mathrm {atan}\left (\frac {b\,\sqrt {\frac {-\frac {16}{25}+\frac {12}{25}{}\mathrm {i}}{b^2}}\,\sqrt {3\,\mathrm {tan}\left (a+b\,x\right )+4}}{2}\right )\,\sqrt {\frac {-\frac {16}{25}+\frac {12}{25}{}\mathrm {i}}{b^2}}\,2{}\mathrm {i}+2\,\mathrm {atanh}\left (\frac {2\,b\,\sqrt {\frac {\frac {9}{25}-\frac {27}{100}{}\mathrm {i}}{b^2}}\,\sqrt {3\,\mathrm {tan}\left (a+b\,x\right )+4}}{3}\right )\,\sqrt {\frac {\frac {9}{25}-\frac {27}{100}{}\mathrm {i}}{b^2}}+2\,\mathrm {atanh}\left (\frac {2\,b\,\sqrt {\frac {\frac {9}{25}+\frac {27}{100}{}\mathrm {i}}{b^2}}\,\sqrt {3\,\mathrm {tan}\left (a+b\,x\right )+4}}{3}\right )\,\sqrt {\frac {\frac {9}{25}+\frac {27}{100}{}\mathrm {i}}{b^2}} \]
[In]
[Out]