Integrand size = 19, antiderivative size = 28 \[ \int \frac {x^2}{(1-a x)^{11} (1+a x)^7} \, dx=-\frac {1-4 a x}{60 a^3 (1-a x)^{10} (1+a x)^6} \]
[Out]
Time = 0.00 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.053, Rules used = {82} \[ \int \frac {x^2}{(1-a x)^{11} (1+a x)^7} \, dx=-\frac {1-4 a x}{60 a^3 (1-a x)^{10} (a x+1)^6} \]
[In]
[Out]
Rule 82
Rubi steps \begin{align*} \text {integral}& = -\frac {1-4 a x}{60 a^3 (1-a x)^{10} (1+a x)^6} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.96 \[ \int \frac {x^2}{(1-a x)^{11} (1+a x)^7} \, dx=\frac {-1+4 a x}{60 a^3 (-1+a x)^{10} (1+a x)^6} \]
[In]
[Out]
Time = 2.66 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.93
method | result | size |
gosper | \(\frac {4 a x -1}{60 \left (a x -1\right )^{10} a^{3} \left (a x +1\right )^{6}}\) | \(26\) |
risch | \(\frac {-\frac {1}{60 a^{3}}+\frac {x}{15 a^{2}}}{\left (a x -1\right )^{10} \left (a x +1\right )^{6}}\) | \(28\) |
norman | \(\frac {\frac {1}{3} x^{3}-\frac {1}{3} a \,x^{4}-\frac {3}{5} a^{2} x^{5}+\frac {16}{15} a^{3} x^{6}+\frac {1}{3} a^{4} x^{7}-\frac {3}{2} a^{5} x^{8}+\frac {1}{3} a^{6} x^{9}+\frac {16}{15} a^{7} x^{10}-\frac {3}{5} a^{8} x^{11}-\frac {1}{3} a^{9} x^{12}+\frac {1}{3} a^{10} x^{13}-\frac {1}{15} a^{12} x^{15}+\frac {1}{60} a^{13} x^{16}}{\left (a x -1\right )^{10} \left (a x +1\right )^{6}}\) | \(116\) |
parallelrisch | \(\frac {a^{13} x^{16}-4 a^{12} x^{15}+20 a^{10} x^{13}-20 a^{9} x^{12}-36 a^{8} x^{11}+64 a^{7} x^{10}+20 a^{6} x^{9}-90 a^{5} x^{8}+20 a^{4} x^{7}+64 a^{3} x^{6}-36 a^{2} x^{5}-20 a \,x^{4}+20 x^{3}}{60 \left (a x -1\right )^{10} \left (a x +1\right )^{6}}\) | \(116\) |
default | \(\frac {1}{1280 a^{3} \left (a x -1\right )^{10}}-\frac {1}{768 a^{3} \left (a x -1\right )^{9}}-\frac {7}{6144 a^{3} \left (a x -1\right )^{6}}+\frac {21}{10240 a^{3} \left (a x -1\right )^{5}}-\frac {21}{8192 a^{3} \left (a x -1\right )^{4}}+\frac {11}{4096 a^{3} \left (a x -1\right )^{3}}-\frac {165}{65536 a^{3} \left (a x -1\right )^{2}}+\frac {143}{65536 a^{3} \left (a x -1\right )}+\frac {1}{1024 a^{3} \left (a x -1\right )^{8}}-\frac {1}{12288 a^{3} \left (a x +1\right )^{6}}-\frac {7}{20480 a^{3} \left (a x +1\right )^{5}}-\frac {11}{8192 a^{3} \left (a x +1\right )^{3}}-\frac {121}{65536 a^{3} \left (a x +1\right )^{2}}-\frac {143}{65536 a^{3} \left (a x +1\right )}-\frac {13}{16384 a^{3} \left (a x +1\right )^{4}}\) | \(182\) |
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 123 vs. \(2 (25) = 50\).
Time = 0.23 (sec) , antiderivative size = 123, normalized size of antiderivative = 4.39 \[ \int \frac {x^2}{(1-a x)^{11} (1+a x)^7} \, dx=\frac {4 \, a x - 1}{60 \, {\left (a^{19} x^{16} - 4 \, a^{18} x^{15} + 20 \, a^{16} x^{13} - 20 \, a^{15} x^{12} - 36 \, a^{14} x^{11} + 64 \, a^{13} x^{10} + 20 \, a^{12} x^{9} - 90 \, a^{11} x^{8} + 20 \, a^{10} x^{7} + 64 \, a^{9} x^{6} - 36 \, a^{8} x^{5} - 20 \, a^{7} x^{4} + 20 \, a^{6} x^{3} - 4 \, a^{4} x + a^{3}\right )}} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 129 vs. \(2 (24) = 48\).
Time = 0.59 (sec) , antiderivative size = 129, normalized size of antiderivative = 4.61 \[ \int \frac {x^2}{(1-a x)^{11} (1+a x)^7} \, dx=- \frac {- 4 a x + 1}{60 a^{19} x^{16} - 240 a^{18} x^{15} + 1200 a^{16} x^{13} - 1200 a^{15} x^{12} - 2160 a^{14} x^{11} + 3840 a^{13} x^{10} + 1200 a^{12} x^{9} - 5400 a^{11} x^{8} + 1200 a^{10} x^{7} + 3840 a^{9} x^{6} - 2160 a^{8} x^{5} - 1200 a^{7} x^{4} + 1200 a^{6} x^{3} - 240 a^{4} x + 60 a^{3}} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 123 vs. \(2 (25) = 50\).
Time = 0.22 (sec) , antiderivative size = 123, normalized size of antiderivative = 4.39 \[ \int \frac {x^2}{(1-a x)^{11} (1+a x)^7} \, dx=\frac {4 \, a x - 1}{60 \, {\left (a^{19} x^{16} - 4 \, a^{18} x^{15} + 20 \, a^{16} x^{13} - 20 \, a^{15} x^{12} - 36 \, a^{14} x^{11} + 64 \, a^{13} x^{10} + 20 \, a^{12} x^{9} - 90 \, a^{11} x^{8} + 20 \, a^{10} x^{7} + 64 \, a^{9} x^{6} - 36 \, a^{8} x^{5} - 20 \, a^{7} x^{4} + 20 \, a^{6} x^{3} - 4 \, a^{4} x + a^{3}\right )}} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 133 vs. \(2 (25) = 50\).
Time = 0.29 (sec) , antiderivative size = 133, normalized size of antiderivative = 4.75 \[ \int \frac {x^2}{(1-a x)^{11} (1+a x)^7} \, dx=-\frac {2145 \, a^{5} x^{5} + 12540 \, a^{4} x^{4} + 30030 \, a^{3} x^{3} + 37080 \, a^{2} x^{2} + 23841 \, a x + 6476}{983040 \, {\left (a x + 1\right )}^{6} a^{3}} + \frac {2145 \, a^{9} x^{9} - 21780 \, a^{8} x^{8} + 99660 \, a^{7} x^{7} - 270480 \, a^{6} x^{6} + 481446 \, a^{5} x^{5} - 584920 \, a^{4} x^{4} + 486220 \, a^{3} x^{3} - 265680 \, a^{2} x^{2} + 84065 \, a x - 9908}{983040 \, {\left (a x - 1\right )}^{10} a^{3}} \]
[In]
[Out]
Time = 4.91 (sec) , antiderivative size = 124, normalized size of antiderivative = 4.43 \[ \int \frac {x^2}{(1-a x)^{11} (1+a x)^7} \, dx=\frac {\frac {x}{15\,a^2}-\frac {1}{60\,a^3}}{a^{16}\,x^{16}-4\,a^{15}\,x^{15}+20\,a^{13}\,x^{13}-20\,a^{12}\,x^{12}-36\,a^{11}\,x^{11}+64\,a^{10}\,x^{10}+20\,a^9\,x^9-90\,a^8\,x^8+20\,a^7\,x^7+64\,a^6\,x^6-36\,a^5\,x^5-20\,a^4\,x^4+20\,a^3\,x^3-4\,a\,x+1} \]
[In]
[Out]