Integrand size = 33, antiderivative size = 22 \[ \int \frac {110+5 e^{20}+210 x-81 x^2+8 x^3}{100-40 x+4 x^2} \, dx=x^2+\frac {x \left (22+e^{20}+x\right )}{4 (5-x)} \]
[Out]
Time = 0.02 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.14, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {27, 12, 1864} \[ \int \frac {110+5 e^{20}+210 x-81 x^2+8 x^3}{100-40 x+4 x^2} \, dx=x^2-\frac {x}{4}+\frac {5 \left (27+e^{20}\right )}{4 (5-x)} \]
[In]
[Out]
Rule 12
Rule 27
Rule 1864
Rubi steps \begin{align*} \text {integral}& = \int \frac {110+5 e^{20}+210 x-81 x^2+8 x^3}{4 (-5+x)^2} \, dx \\ & = \frac {1}{4} \int \frac {110+5 e^{20}+210 x-81 x^2+8 x^3}{(-5+x)^2} \, dx \\ & = \frac {1}{4} \int \left (-1+\frac {5 \left (27+e^{20}\right )}{(-5+x)^2}+8 x\right ) \, dx \\ & = \frac {5 \left (27+e^{20}\right )}{4 (5-x)}-\frac {x}{4}+x^2 \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.32 \[ \int \frac {110+5 e^{20}+210 x-81 x^2+8 x^3}{100-40 x+4 x^2} \, dx=\frac {1}{4} \left (-\frac {5 \left (27+e^{20}\right )}{-5+x}+39 (-5+x)+4 (-5+x)^2\right ) \]
[In]
[Out]
Time = 0.11 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.95
method | result | size |
default | \(x^{2}-\frac {x}{4}-\frac {135+5 \,{\mathrm e}^{20}}{4 \left (-5+x \right )}\) | \(21\) |
norman | \(\frac {x^{3}-\frac {21 x^{2}}{4}-\frac {55}{2}-\frac {5 \,{\mathrm e}^{20}}{4}}{-5+x}\) | \(23\) |
risch | \(x^{2}-\frac {x}{4}-\frac {5 \,{\mathrm e}^{20}}{4 \left (-5+x \right )}-\frac {135}{4 \left (-5+x \right )}\) | \(24\) |
gosper | \(-\frac {5 \,{\mathrm e}^{20}-4 x^{3}+21 x^{2}+110}{4 \left (-5+x \right )}\) | \(26\) |
parallelrisch | \(-\frac {5 \,{\mathrm e}^{20}-4 x^{3}+21 x^{2}+110}{4 \left (-5+x \right )}\) | \(26\) |
meijerg | \(\frac {58 x}{5 \left (1-\frac {x}{5}\right )}+\frac {x \,{\mathrm e}^{20}}{-4 x +20}+\frac {5 x \left (-\frac {2}{25} x^{2}-\frac {6}{5} x +12\right )}{2 \left (1-\frac {x}{5}\right )}-\frac {27 x \left (-\frac {3 x}{5}+6\right )}{4 \left (1-\frac {x}{5}\right )}\) | \(59\) |
[In]
[Out]
none
Time = 0.23 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.18 \[ \int \frac {110+5 e^{20}+210 x-81 x^2+8 x^3}{100-40 x+4 x^2} \, dx=\frac {4 \, x^{3} - 21 \, x^{2} + 5 \, x - 5 \, e^{20} - 135}{4 \, {\left (x - 5\right )}} \]
[In]
[Out]
Time = 0.07 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.86 \[ \int \frac {110+5 e^{20}+210 x-81 x^2+8 x^3}{100-40 x+4 x^2} \, dx=x^{2} - \frac {x}{4} + \frac {- 5 e^{20} - 135}{4 x - 20} \]
[In]
[Out]
none
Time = 0.18 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.82 \[ \int \frac {110+5 e^{20}+210 x-81 x^2+8 x^3}{100-40 x+4 x^2} \, dx=x^{2} - \frac {1}{4} \, x - \frac {5 \, {\left (e^{20} + 27\right )}}{4 \, {\left (x - 5\right )}} \]
[In]
[Out]
none
Time = 0.27 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.82 \[ \int \frac {110+5 e^{20}+210 x-81 x^2+8 x^3}{100-40 x+4 x^2} \, dx=x^{2} - \frac {1}{4} \, x - \frac {5 \, {\left (e^{20} + 27\right )}}{4 \, {\left (x - 5\right )}} \]
[In]
[Out]
Time = 8.36 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00 \[ \int \frac {110+5 e^{20}+210 x-81 x^2+8 x^3}{100-40 x+4 x^2} \, dx=x^2-\frac {5\,{\mathrm {e}}^{20}+135}{4\,x-20}-\frac {x}{4} \]
[In]
[Out]