Integrand size = 54, antiderivative size = 33 \[ \int \frac {-115 x^2+18 x^4-8 x^5-3 x^6+e^4 \left (-90-60 x-10 x^2\right )}{90 x^2+60 x^3+10 x^4} \, dx=\frac {1}{2} x \left (-3+x-\frac {x^2}{5}\right )+\frac {e^4+x-\frac {2 x}{3+x}}{x} \]
[Out]
Time = 0.05 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.03, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.074, Rules used = {1608, 27, 12, 1634} \[ \int \frac {-115 x^2+18 x^4-8 x^5-3 x^6+e^4 \left (-90-60 x-10 x^2\right )}{90 x^2+60 x^3+10 x^4} \, dx=-\frac {x^3}{10}+\frac {x^2}{2}-\frac {3 x}{2}-\frac {2}{x+3}+\frac {e^4}{x} \]
[In]
[Out]
Rule 12
Rule 27
Rule 1608
Rule 1634
Rubi steps \begin{align*} \text {integral}& = \int \frac {-115 x^2+18 x^4-8 x^5-3 x^6+e^4 \left (-90-60 x-10 x^2\right )}{x^2 \left (90+60 x+10 x^2\right )} \, dx \\ & = \int \frac {-115 x^2+18 x^4-8 x^5-3 x^6+e^4 \left (-90-60 x-10 x^2\right )}{10 x^2 (3+x)^2} \, dx \\ & = \frac {1}{10} \int \frac {-115 x^2+18 x^4-8 x^5-3 x^6+e^4 \left (-90-60 x-10 x^2\right )}{x^2 (3+x)^2} \, dx \\ & = \frac {1}{10} \int \left (-15-\frac {10 e^4}{x^2}+10 x-3 x^2+\frac {20}{(3+x)^2}\right ) \, dx \\ & = \frac {e^4}{x}-\frac {3 x}{2}+\frac {x^2}{2}-\frac {x^3}{10}-\frac {2}{3+x} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.21 \[ \int \frac {-115 x^2+18 x^4-8 x^5-3 x^6+e^4 \left (-90-60 x-10 x^2\right )}{90 x^2+60 x^3+10 x^4} \, dx=\frac {e^4}{x}-\frac {2}{3+x}-\frac {36 (3+x)}{5}+\frac {7}{5} (3+x)^2-\frac {1}{10} (3+x)^3 \]
[In]
[Out]
Time = 0.70 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.85
method | result | size |
default | \(-\frac {x^{3}}{10}+\frac {x^{2}}{2}-\frac {3 x}{2}-\frac {2}{3+x}+\frac {{\mathrm e}^{4}}{x}\) | \(28\) |
norman | \(\frac {\left (\frac {23}{2}+{\mathrm e}^{4}\right ) x +\frac {x^{4}}{5}-\frac {x^{5}}{10}+3 \,{\mathrm e}^{4}}{\left (3+x \right ) x}\) | \(31\) |
gosper | \(\frac {-x^{5}+2 x^{4}+10 x \,{\mathrm e}^{4}+30 \,{\mathrm e}^{4}+115 x}{10 x \left (3+x \right )}\) | \(34\) |
parallelrisch | \(\frac {-x^{5}+2 x^{4}+10 x \,{\mathrm e}^{4}+30 \,{\mathrm e}^{4}+115 x}{10 x \left (3+x \right )}\) | \(34\) |
risch | \(-\frac {x^{3}}{10}+\frac {x^{2}}{2}-\frac {3 x}{2}+\frac {\frac {\left (-20+10 \,{\mathrm e}^{4}\right ) x}{10}+3 \,{\mathrm e}^{4}}{\left (3+x \right ) x}\) | \(38\) |
[In]
[Out]
none
Time = 0.23 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.06 \[ \int \frac {-115 x^2+18 x^4-8 x^5-3 x^6+e^4 \left (-90-60 x-10 x^2\right )}{90 x^2+60 x^3+10 x^4} \, dx=-\frac {x^{5} - 2 \, x^{4} + 45 \, x^{2} - 10 \, {\left (x + 3\right )} e^{4} + 20 \, x}{10 \, {\left (x^{2} + 3 \, x\right )}} \]
[In]
[Out]
Time = 0.18 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.97 \[ \int \frac {-115 x^2+18 x^4-8 x^5-3 x^6+e^4 \left (-90-60 x-10 x^2\right )}{90 x^2+60 x^3+10 x^4} \, dx=- \frac {x^{3}}{10} + \frac {x^{2}}{2} - \frac {3 x}{2} - \frac {x \left (2 - e^{4}\right ) - 3 e^{4}}{x^{2} + 3 x} \]
[In]
[Out]
none
Time = 0.19 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.06 \[ \int \frac {-115 x^2+18 x^4-8 x^5-3 x^6+e^4 \left (-90-60 x-10 x^2\right )}{90 x^2+60 x^3+10 x^4} \, dx=-\frac {1}{10} \, x^{3} + \frac {1}{2} \, x^{2} - \frac {3}{2} \, x + \frac {x {\left (e^{4} - 2\right )} + 3 \, e^{4}}{x^{2} + 3 \, x} \]
[In]
[Out]
none
Time = 0.26 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.09 \[ \int \frac {-115 x^2+18 x^4-8 x^5-3 x^6+e^4 \left (-90-60 x-10 x^2\right )}{90 x^2+60 x^3+10 x^4} \, dx=-\frac {1}{10} \, x^{3} + \frac {1}{2} \, x^{2} - \frac {3}{2} \, x + \frac {x e^{4} - 2 \, x + 3 \, e^{4}}{x^{2} + 3 \, x} \]
[In]
[Out]
Time = 9.03 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.06 \[ \int \frac {-115 x^2+18 x^4-8 x^5-3 x^6+e^4 \left (-90-60 x-10 x^2\right )}{90 x^2+60 x^3+10 x^4} \, dx=\frac {3\,{\mathrm {e}}^4+x\,\left ({\mathrm {e}}^4-2\right )}{x^2+3\,x}-\frac {3\,x}{2}+\frac {x^2}{2}-\frac {x^3}{10} \]
[In]
[Out]