Integrand size = 128, antiderivative size = 25 \[ \int \frac {-250 x-3115 x^2-248 x^3-5 x^4+3^{3 x} \left (-625 x^2-50 x^3-x^4+\left (1875 x^3+150 x^4+3 x^5\right ) \log (3)\right )}{25+1240 x+15426 x^2+1240 x^3+25 x^4+3^{6 x} \left (625 x^2+50 x^3+x^4\right )+3^{3 x} \left (250 x+6210 x^2+498 x^3+10 x^4\right )} \, dx=\frac {x}{-5-3^{3 x}+\frac {-5+x}{x (25+x)}} \]
\[ \int \frac {-250 x-3115 x^2-248 x^3-5 x^4+3^{3 x} \left (-625 x^2-50 x^3-x^4+\left (1875 x^3+150 x^4+3 x^5\right ) \log (3)\right )}{25+1240 x+15426 x^2+1240 x^3+25 x^4+3^{6 x} \left (625 x^2+50 x^3+x^4\right )+3^{3 x} \left (250 x+6210 x^2+498 x^3+10 x^4\right )} \, dx=\int \frac {-250 x-3115 x^2-248 x^3-5 x^4+3^{3 x} \left (-625 x^2-50 x^3-x^4+\left (1875 x^3+150 x^4+3 x^5\right ) \log (3)\right )}{25+1240 x+15426 x^2+1240 x^3+25 x^4+3^{6 x} \left (625 x^2+50 x^3+x^4\right )+3^{3 x} \left (250 x+6210 x^2+498 x^3+10 x^4\right )} \, dx \]
Integrate[(-250*x - 3115*x^2 - 248*x^3 - 5*x^4 + 3^(3*x)*(-625*x^2 - 50*x^ 3 - x^4 + (1875*x^3 + 150*x^4 + 3*x^5)*Log[3]))/(25 + 1240*x + 15426*x^2 + 1240*x^3 + 25*x^4 + 3^(6*x)*(625*x^2 + 50*x^3 + x^4) + 3^(3*x)*(250*x + 6 210*x^2 + 498*x^3 + 10*x^4)),x]
Integrate[(-250*x - 3115*x^2 - 248*x^3 - 5*x^4 + 3^(3*x)*(-625*x^2 - 50*x^ 3 - x^4 + (1875*x^3 + 150*x^4 + 3*x^5)*Log[3]))/(25 + 1240*x + 15426*x^2 + 1240*x^3 + 25*x^4 + 3^(6*x)*(625*x^2 + 50*x^3 + x^4) + 3^(3*x)*(250*x + 6 210*x^2 + 498*x^3 + 10*x^4)), x]
Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.
\(\displaystyle \int \frac {-5 x^4-248 x^3-3115 x^2+3^{3 x} \left (-x^4-50 x^3-625 x^2+\left (3 x^5+150 x^4+1875 x^3\right ) \log (3)\right )-250 x}{25 x^4+1240 x^3+15426 x^2+3^{6 x} \left (x^4+50 x^3+625 x^2\right )+3^{3 x} \left (10 x^4+498 x^3+6210 x^2+250 x\right )+1240 x+25} \, dx\) |
\(\Big \downarrow \) 7292 |
\(\displaystyle \int \frac {-5 x^4-248 x^3-3115 x^2+3^{3 x} \left (-x^4-50 x^3-625 x^2+\left (3 x^5+150 x^4+1875 x^3\right ) \log (3)\right )-250 x}{\left (27^x x^2+5 x^2+25\ 27^x x+124 x+5\right )^2}dx\) |
\(\Big \downarrow \) 7293 |
\(\displaystyle \int \left (\frac {x (x+25) (x \log (27)-1)}{27^x x^2+5 x^2+25\ 27^x x+124 x+5}+\frac {x \left (-15 x^4 \log (3)-747 x^3 \log (3)+x^2 (1-9315 \log (3))-5 x (2+75 \log (3))-125\right )}{\left (27^x x^2+5 x^2+25\ 27^x x+124 x+5\right )^2}\right )dx\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle -125 \int \frac {x}{\left (27^x x^2+5 x^2+25\ 27^x x+124 x+5\right )^2}dx-25 \int \frac {x}{27^x x^2+5 x^2+25\ 27^x x+124 x+5}dx-5 (2+75 \log (3)) \int \frac {x^2}{\left (27^x x^2+5 x^2+25\ 27^x x+124 x+5\right )^2}dx-(1-25 \log (27)) \int \frac {x^2}{27^x x^2+5 x^2+25\ 27^x x+124 x+5}dx-15 \log (3) \int \frac {x^5}{\left (27^x x^2+5 x^2+25\ 27^x x+124 x+5\right )^2}dx-747 \log (3) \int \frac {x^4}{\left (27^x x^2+5 x^2+25\ 27^x x+124 x+5\right )^2}dx+(1-9315 \log (3)) \int \frac {x^3}{\left (27^x x^2+5 x^2+25\ 27^x x+124 x+5\right )^2}dx+\log (27) \int \frac {x^3}{27^x x^2+5 x^2+25\ 27^x x+124 x+5}dx\) |
Int[(-250*x - 3115*x^2 - 248*x^3 - 5*x^4 + 3^(3*x)*(-625*x^2 - 50*x^3 - x^ 4 + (1875*x^3 + 150*x^4 + 3*x^5)*Log[3]))/(25 + 1240*x + 15426*x^2 + 1240* x^3 + 25*x^4 + 3^(6*x)*(625*x^2 + 50*x^3 + x^4) + 3^(3*x)*(250*x + 6210*x^ 2 + 498*x^3 + 10*x^4)),x]
3.22.75.3.1 Defintions of rubi rules used
Time = 0.57 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.36
method | result | size |
risch | \(-\frac {x^{2} \left (x +25\right )}{27^{x} x^{2}+25 \,27^{x} x +5 x^{2}+124 x +5}\) | \(34\) |
parallelrisch | \(-\frac {x^{3}+25 x^{2}}{{\mathrm e}^{3 x \ln \left (3\right )} x^{2}+25 \,{\mathrm e}^{3 x \ln \left (3\right )} x +5 x^{2}+124 x +5}\) | \(43\) |
norman | \(\frac {-x^{3}-25 x^{2}}{{\mathrm e}^{3 x \ln \left (3\right )} x^{2}+25 \,{\mathrm e}^{3 x \ln \left (3\right )} x +5 x^{2}+124 x +5}\) | \(44\) |
int((((3*x^5+150*x^4+1875*x^3)*ln(3)-x^4-50*x^3-625*x^2)*exp(3*x*ln(3))-5* x^4-248*x^3-3115*x^2-250*x)/((x^4+50*x^3+625*x^2)*exp(3*x*ln(3))^2+(10*x^4 +498*x^3+6210*x^2+250*x)*exp(3*x*ln(3))+25*x^4+1240*x^3+15426*x^2+1240*x+2 5),x,method=_RETURNVERBOSE)
Time = 0.25 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.44 \[ \int \frac {-250 x-3115 x^2-248 x^3-5 x^4+3^{3 x} \left (-625 x^2-50 x^3-x^4+\left (1875 x^3+150 x^4+3 x^5\right ) \log (3)\right )}{25+1240 x+15426 x^2+1240 x^3+25 x^4+3^{6 x} \left (625 x^2+50 x^3+x^4\right )+3^{3 x} \left (250 x+6210 x^2+498 x^3+10 x^4\right )} \, dx=-\frac {x^{3} + 25 \, x^{2}}{{\left (x^{2} + 25 \, x\right )} 3^{3 \, x} + 5 \, x^{2} + 124 \, x + 5} \]
integrate((((3*x^5+150*x^4+1875*x^3)*log(3)-x^4-50*x^3-625*x^2)*exp(3*x*lo g(3))-5*x^4-248*x^3-3115*x^2-250*x)/((x^4+50*x^3+625*x^2)*exp(3*x*log(3))^ 2+(10*x^4+498*x^3+6210*x^2+250*x)*exp(3*x*log(3))+25*x^4+1240*x^3+15426*x^ 2+1240*x+25),x, algorithm=\
Time = 0.15 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.36 \[ \int \frac {-250 x-3115 x^2-248 x^3-5 x^4+3^{3 x} \left (-625 x^2-50 x^3-x^4+\left (1875 x^3+150 x^4+3 x^5\right ) \log (3)\right )}{25+1240 x+15426 x^2+1240 x^3+25 x^4+3^{6 x} \left (625 x^2+50 x^3+x^4\right )+3^{3 x} \left (250 x+6210 x^2+498 x^3+10 x^4\right )} \, dx=\frac {- x^{3} - 25 x^{2}}{5 x^{2} + 124 x + \left (x^{2} + 25 x\right ) e^{3 x \log {\left (3 \right )}} + 5} \]
integrate((((3*x**5+150*x**4+1875*x**3)*ln(3)-x**4-50*x**3-625*x**2)*exp(3 *x*ln(3))-5*x**4-248*x**3-3115*x**2-250*x)/((x**4+50*x**3+625*x**2)*exp(3* x*ln(3))**2+(10*x**4+498*x**3+6210*x**2+250*x)*exp(3*x*ln(3))+25*x**4+1240 *x**3+15426*x**2+1240*x+25),x)
Time = 0.33 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.44 \[ \int \frac {-250 x-3115 x^2-248 x^3-5 x^4+3^{3 x} \left (-625 x^2-50 x^3-x^4+\left (1875 x^3+150 x^4+3 x^5\right ) \log (3)\right )}{25+1240 x+15426 x^2+1240 x^3+25 x^4+3^{6 x} \left (625 x^2+50 x^3+x^4\right )+3^{3 x} \left (250 x+6210 x^2+498 x^3+10 x^4\right )} \, dx=-\frac {x^{3} + 25 \, x^{2}}{{\left (x^{2} + 25 \, x\right )} 3^{3 \, x} + 5 \, x^{2} + 124 \, x + 5} \]
integrate((((3*x^5+150*x^4+1875*x^3)*log(3)-x^4-50*x^3-625*x^2)*exp(3*x*lo g(3))-5*x^4-248*x^3-3115*x^2-250*x)/((x^4+50*x^3+625*x^2)*exp(3*x*log(3))^ 2+(10*x^4+498*x^3+6210*x^2+250*x)*exp(3*x*log(3))+25*x^4+1240*x^3+15426*x^ 2+1240*x+25),x, algorithm=\
\[ \int \frac {-250 x-3115 x^2-248 x^3-5 x^4+3^{3 x} \left (-625 x^2-50 x^3-x^4+\left (1875 x^3+150 x^4+3 x^5\right ) \log (3)\right )}{25+1240 x+15426 x^2+1240 x^3+25 x^4+3^{6 x} \left (625 x^2+50 x^3+x^4\right )+3^{3 x} \left (250 x+6210 x^2+498 x^3+10 x^4\right )} \, dx=\int { -\frac {5 \, x^{4} + 248 \, x^{3} + {\left (x^{4} + 50 \, x^{3} + 625 \, x^{2} - 3 \, {\left (x^{5} + 50 \, x^{4} + 625 \, x^{3}\right )} \log \left (3\right )\right )} 3^{3 \, x} + 3115 \, x^{2} + 250 \, x}{25 \, x^{4} + 1240 \, x^{3} + {\left (x^{4} + 50 \, x^{3} + 625 \, x^{2}\right )} 3^{6 \, x} + 2 \, {\left (5 \, x^{4} + 249 \, x^{3} + 3105 \, x^{2} + 125 \, x\right )} 3^{3 \, x} + 15426 \, x^{2} + 1240 \, x + 25} \,d x } \]
integrate((((3*x^5+150*x^4+1875*x^3)*log(3)-x^4-50*x^3-625*x^2)*exp(3*x*lo g(3))-5*x^4-248*x^3-3115*x^2-250*x)/((x^4+50*x^3+625*x^2)*exp(3*x*log(3))^ 2+(10*x^4+498*x^3+6210*x^2+250*x)*exp(3*x*log(3))+25*x^4+1240*x^3+15426*x^ 2+1240*x+25),x, algorithm=\
integrate(-(5*x^4 + 248*x^3 + (x^4 + 50*x^3 + 625*x^2 - 3*(x^5 + 50*x^4 + 625*x^3)*log(3))*3^(3*x) + 3115*x^2 + 250*x)/(25*x^4 + 1240*x^3 + (x^4 + 5 0*x^3 + 625*x^2)*3^(6*x) + 2*(5*x^4 + 249*x^3 + 3105*x^2 + 125*x)*3^(3*x) + 15426*x^2 + 1240*x + 25), x)
Timed out. \[ \int \frac {-250 x-3115 x^2-248 x^3-5 x^4+3^{3 x} \left (-625 x^2-50 x^3-x^4+\left (1875 x^3+150 x^4+3 x^5\right ) \log (3)\right )}{25+1240 x+15426 x^2+1240 x^3+25 x^4+3^{6 x} \left (625 x^2+50 x^3+x^4\right )+3^{3 x} \left (250 x+6210 x^2+498 x^3+10 x^4\right )} \, dx=\int -\frac {250\,x+{\mathrm {e}}^{3\,x\,\ln \left (3\right )}\,\left (625\,x^2-\ln \left (3\right )\,\left (3\,x^5+150\,x^4+1875\,x^3\right )+50\,x^3+x^4\right )+3115\,x^2+248\,x^3+5\,x^4}{1240\,x+{\mathrm {e}}^{6\,x\,\ln \left (3\right )}\,\left (x^4+50\,x^3+625\,x^2\right )+15426\,x^2+1240\,x^3+25\,x^4+{\mathrm {e}}^{3\,x\,\ln \left (3\right )}\,\left (10\,x^4+498\,x^3+6210\,x^2+250\,x\right )+25} \,d x \]
int(-(250*x + exp(3*x*log(3))*(625*x^2 - log(3)*(1875*x^3 + 150*x^4 + 3*x^ 5) + 50*x^3 + x^4) + 3115*x^2 + 248*x^3 + 5*x^4)/(1240*x + exp(6*x*log(3)) *(625*x^2 + 50*x^3 + x^4) + 15426*x^2 + 1240*x^3 + 25*x^4 + exp(3*x*log(3) )*(250*x + 6210*x^2 + 498*x^3 + 10*x^4) + 25),x)