Integrand size = 34, antiderivative size = 28 \[ \int \frac {\sqrt {6+17 x+12 x^2}}{(2+3 x) \left (30+31 x-12 x^2\right )} \, dx=\frac {1}{42} \text {arctanh}\left (\frac {206+291 x}{84 \sqrt {6+17 x+12 x^2}}\right ) \]
[Out]
Time = 0.03 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.088, Rules used = {1016, 738, 212} \[ \int \frac {\sqrt {6+17 x+12 x^2}}{(2+3 x) \left (30+31 x-12 x^2\right )} \, dx=\frac {1}{42} \text {arctanh}\left (\frac {291 x+206}{84 \sqrt {12 x^2+17 x+6}}\right ) \]
[In]
[Out]
Rule 212
Rule 738
Rule 1016
Rubi steps \begin{align*} \text {integral}& = \int \frac {1}{(10-3 x) \sqrt {6+17 x+12 x^2}} \, dx \\ & = -\left (2 \text {Subst}\left (\int \frac {1}{7056-x^2} \, dx,x,\frac {-206-291 x}{\sqrt {6+17 x+12 x^2}}\right )\right ) \\ & = \frac {1}{42} \tanh ^{-1}\left (\frac {206+291 x}{84 \sqrt {6+17 x+12 x^2}}\right ) \\ \end{align*}
Time = 0.14 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.07 \[ \int \frac {\sqrt {6+17 x+12 x^2}}{(2+3 x) \left (30+31 x-12 x^2\right )} \, dx=\frac {1}{21} \text {arctanh}\left (\frac {6 \sqrt {6+17 x+12 x^2}}{7 (2+3 x)}\right ) \]
[In]
[Out]
Time = 0.64 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.14
method | result | size |
trager | \(-\frac {\ln \left (-\frac {84 \sqrt {12 x^{2}+17 x +6}-206-291 x}{3 x -10}\right )}{42}\) | \(32\) |
default | \(\frac {\sqrt {12 \left (x +\frac {2}{3}\right )^{2}+x +\frac {2}{3}}}{12}+\frac {\ln \left (\frac {\left (\frac {17}{2}+12 x \right ) \sqrt {12}}{12}+\sqrt {12 \left (x +\frac {2}{3}\right )^{2}+x +\frac {2}{3}}\right ) \sqrt {12}}{288}-\frac {4 \sqrt {12 \left (x +\frac {3}{4}\right )^{2}-x -\frac {3}{4}}}{49}+\frac {\ln \left (\frac {\left (\frac {17}{2}+12 x \right ) \sqrt {12}}{12}+\sqrt {12 \left (x +\frac {3}{4}\right )^{2}-x -\frac {3}{4}}\right ) \sqrt {12}}{294}-\frac {\sqrt {12 \left (x -\frac {10}{3}\right )^{2}+97 x -\frac {382}{3}}}{588}-\frac {97 \ln \left (\frac {\left (\frac {17}{2}+12 x \right ) \sqrt {12}}{12}+\sqrt {12 \left (x -\frac {10}{3}\right )^{2}+97 x -\frac {382}{3}}\right ) \sqrt {12}}{14112}+\frac {\operatorname {arctanh}\left (\frac {\frac {206}{3}+97 x}{28 \sqrt {12 \left (x -\frac {10}{3}\right )^{2}+97 x -\frac {382}{3}}}\right )}{42}\) | \(163\) |
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 53 vs. \(2 (22) = 44\).
Time = 0.32 (sec) , antiderivative size = 53, normalized size of antiderivative = 1.89 \[ \int \frac {\sqrt {6+17 x+12 x^2}}{(2+3 x) \left (30+31 x-12 x^2\right )} \, dx=\frac {1}{84} \, \log \left (\frac {291 \, x + 84 \, \sqrt {12 \, x^{2} + 17 \, x + 6} + 206}{x}\right ) - \frac {1}{84} \, \log \left (\frac {291 \, x - 84 \, \sqrt {12 \, x^{2} + 17 \, x + 6} + 206}{x}\right ) \]
[In]
[Out]
\[ \int \frac {\sqrt {6+17 x+12 x^2}}{(2+3 x) \left (30+31 x-12 x^2\right )} \, dx=- \int \frac {\sqrt {12 x^{2} + 17 x + 6}}{36 x^{3} - 69 x^{2} - 152 x - 60}\, dx \]
[In]
[Out]
\[ \int \frac {\sqrt {6+17 x+12 x^2}}{(2+3 x) \left (30+31 x-12 x^2\right )} \, dx=\int { -\frac {\sqrt {12 \, x^{2} + 17 \, x + 6}}{{\left (12 \, x^{2} - 31 \, x - 30\right )} {\left (3 \, x + 2\right )}} \,d x } \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 63 vs. \(2 (22) = 44\).
Time = 0.31 (sec) , antiderivative size = 63, normalized size of antiderivative = 2.25 \[ \int \frac {\sqrt {6+17 x+12 x^2}}{(2+3 x) \left (30+31 x-12 x^2\right )} \, dx=\frac {1}{42} \, \log \left ({\left | -6 \, \sqrt {3} x + 20 \, \sqrt {3} + 3 \, \sqrt {12 \, x^{2} + 17 \, x + 6} + 42 \right |}\right ) - \frac {1}{42} \, \log \left ({\left | -6 \, \sqrt {3} x + 20 \, \sqrt {3} + 3 \, \sqrt {12 \, x^{2} + 17 \, x + 6} - 42 \right |}\right ) \]
[In]
[Out]
Timed out. \[ \int \frac {\sqrt {6+17 x+12 x^2}}{(2+3 x) \left (30+31 x-12 x^2\right )} \, dx=\int \frac {\sqrt {12\,x^2+17\,x+6}}{\left (3\,x+2\right )\,\left (-12\,x^2+31\,x+30\right )} \,d x \]
[In]
[Out]