Integrand size = 24, antiderivative size = 101 \[ \int \frac {\left (a+b x+c x^2\right )^3}{(b d+2 c d x)^8} \, dx=\frac {\left (b^2-4 a c\right )^3}{896 c^4 d^8 (b+2 c x)^7}-\frac {3 \left (b^2-4 a c\right )^2}{640 c^4 d^8 (b+2 c x)^5}+\frac {b^2-4 a c}{128 c^4 d^8 (b+2 c x)^3}-\frac {1}{128 c^4 d^8 (b+2 c x)} \]
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Time = 0.06 (sec) , antiderivative size = 101, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.042, Rules used = {697} \[ \int \frac {\left (a+b x+c x^2\right )^3}{(b d+2 c d x)^8} \, dx=\frac {\left (b^2-4 a c\right )^3}{896 c^4 d^8 (b+2 c x)^7}-\frac {3 \left (b^2-4 a c\right )^2}{640 c^4 d^8 (b+2 c x)^5}+\frac {b^2-4 a c}{128 c^4 d^8 (b+2 c x)^3}-\frac {1}{128 c^4 d^8 (b+2 c x)} \]
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Rule 697
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {\left (-b^2+4 a c\right )^3}{64 c^3 d^8 (b+2 c x)^8}+\frac {3 \left (-b^2+4 a c\right )^2}{64 c^3 d^8 (b+2 c x)^6}+\frac {3 \left (-b^2+4 a c\right )}{64 c^3 d^8 (b+2 c x)^4}+\frac {1}{64 c^3 d^8 (b+2 c x)^2}\right ) \, dx \\ & = \frac {\left (b^2-4 a c\right )^3}{896 c^4 d^8 (b+2 c x)^7}-\frac {3 \left (b^2-4 a c\right )^2}{640 c^4 d^8 (b+2 c x)^5}+\frac {b^2-4 a c}{128 c^4 d^8 (b+2 c x)^3}-\frac {1}{128 c^4 d^8 (b+2 c x)} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 79, normalized size of antiderivative = 0.78 \[ \int \frac {\left (a+b x+c x^2\right )^3}{(b d+2 c d x)^8} \, dx=\frac {5 \left (b^2-4 a c\right )^3-21 \left (b^2-4 a c\right )^2 (b+2 c x)^2+35 \left (b^2-4 a c\right ) (b+2 c x)^4-35 (b+2 c x)^6}{4480 c^4 d^8 (b+2 c x)^7} \]
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Time = 2.87 (sec) , antiderivative size = 121, normalized size of antiderivative = 1.20
method | result | size |
default | \(\frac {-\frac {48 a^{2} c^{2}-24 a \,b^{2} c +3 b^{4}}{640 c^{4} \left (2 c x +b \right )^{5}}-\frac {12 a c -3 b^{2}}{384 c^{4} \left (2 c x +b \right )^{3}}-\frac {64 c^{3} a^{3}-48 a^{2} b^{2} c^{2}+12 a \,b^{4} c -b^{6}}{896 c^{4} \left (2 c x +b \right )^{7}}-\frac {1}{128 c^{4} \left (2 c x +b \right )}}{d^{8}}\) | \(121\) |
risch | \(\frac {-\frac {c^{2} x^{6}}{2}-\frac {3 b c \,x^{5}}{2}+\left (-\frac {a c}{2}-\frac {7 b^{2}}{4}\right ) x^{4}-\frac {b \left (a c +b^{2}\right ) x^{3}}{c}-\frac {3 \left (a^{2} c^{2}+2 a \,b^{2} c +b^{4}\right ) x^{2}}{10 c^{2}}-\frac {b \left (6 a^{2} c^{2}+2 a \,b^{2} c +b^{4}\right ) x}{20 c^{3}}-\frac {20 c^{3} a^{3}+6 a^{2} b^{2} c^{2}+2 a \,b^{4} c +b^{6}}{280 c^{4}}}{d^{8} \left (2 c x +b \right )^{7}}\) | \(146\) |
gosper | \(-\frac {140 c^{6} x^{6}+420 b \,c^{5} x^{5}+140 a \,c^{5} x^{4}+490 b^{2} c^{4} x^{4}+280 a b \,c^{4} x^{3}+280 x^{3} b^{3} c^{3}+84 a^{2} c^{4} x^{2}+168 a \,b^{2} c^{3} x^{2}+84 x^{2} b^{4} c^{2}+84 a^{2} b \,c^{3} x +28 x a \,b^{3} c^{2}+14 x \,b^{5} c +20 c^{3} a^{3}+6 a^{2} b^{2} c^{2}+2 a \,b^{4} c +b^{6}}{280 \left (2 c x +b \right )^{7} d^{8} c^{4}}\) | \(166\) |
norman | \(\frac {\frac {a^{3} x}{b d}+\frac {\left (20 a^{3} c^{2}+6 a^{2} b^{2} c +a \,b^{4}\right ) x^{3}}{b^{3} d}+\frac {3 \left (4 c \,a^{3}+a^{2} b^{2}\right ) x^{2}}{2 b^{2} d}+\frac {\left (160 c^{3} a^{3}+48 a^{2} b^{2} c^{2}+14 a \,b^{4} c +b^{6}\right ) x^{4}}{4 b^{4} d}+\frac {3 c \left (160 c^{3} a^{3}+48 a^{2} b^{2} c^{2}+16 a \,b^{4} c +3 b^{6}\right ) x^{5}}{10 b^{5} d}+\frac {c^{2} \left (320 c^{3} a^{3}+96 a^{2} b^{2} c^{2}+32 a \,b^{4} c +11 b^{6}\right ) x^{6}}{10 b^{6} d}+\frac {16 c^{3} \left (20 c^{3} a^{3}+6 a^{2} b^{2} c^{2}+2 a \,b^{4} c +b^{6}\right ) x^{7}}{35 b^{7} d}}{d^{7} \left (2 c x +b \right )^{7}}\) | \(258\) |
parallelrisch | \(\frac {1280 x^{7} a^{3} c^{6}+384 x^{7} a^{2} b^{2} c^{5}+128 x^{7} a \,b^{4} c^{4}+64 x^{7} b^{6} c^{3}+4480 x^{6} a^{3} b \,c^{5}+1344 x^{6} a^{2} b^{3} c^{4}+448 x^{6} a \,b^{5} c^{3}+154 x^{6} b^{7} c^{2}+6720 x^{5} a^{3} b^{2} c^{4}+2016 x^{5} a^{2} b^{4} c^{3}+672 x^{5} a \,b^{6} c^{2}+126 x^{5} b^{8} c +5600 x^{4} a^{3} b^{3} c^{3}+1680 x^{4} a^{2} b^{5} c^{2}+490 x^{4} a \,b^{7} c +35 x^{4} b^{9}+2800 x^{3} a^{3} b^{4} c^{2}+840 x^{3} a^{2} b^{6} c +140 x^{3} a \,b^{8}+840 x^{2} a^{3} b^{5} c +210 x^{2} a^{2} b^{7}+140 a^{3} b^{6} x}{140 b^{7} d^{8} \left (2 c x +b \right )^{7}}\) | \(277\) |
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Leaf count of result is larger than twice the leaf count of optimal. 248 vs. \(2 (93) = 186\).
Time = 0.26 (sec) , antiderivative size = 248, normalized size of antiderivative = 2.46 \[ \int \frac {\left (a+b x+c x^2\right )^3}{(b d+2 c d x)^8} \, dx=-\frac {140 \, c^{6} x^{6} + 420 \, b c^{5} x^{5} + b^{6} + 2 \, a b^{4} c + 6 \, a^{2} b^{2} c^{2} + 20 \, a^{3} c^{3} + 70 \, {\left (7 \, b^{2} c^{4} + 2 \, a c^{5}\right )} x^{4} + 280 \, {\left (b^{3} c^{3} + a b c^{4}\right )} x^{3} + 84 \, {\left (b^{4} c^{2} + 2 \, a b^{2} c^{3} + a^{2} c^{4}\right )} x^{2} + 14 \, {\left (b^{5} c + 2 \, a b^{3} c^{2} + 6 \, a^{2} b c^{3}\right )} x}{280 \, {\left (128 \, c^{11} d^{8} x^{7} + 448 \, b c^{10} d^{8} x^{6} + 672 \, b^{2} c^{9} d^{8} x^{5} + 560 \, b^{3} c^{8} d^{8} x^{4} + 280 \, b^{4} c^{7} d^{8} x^{3} + 84 \, b^{5} c^{6} d^{8} x^{2} + 14 \, b^{6} c^{5} d^{8} x + b^{7} c^{4} d^{8}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 267 vs. \(2 (97) = 194\).
Time = 2.52 (sec) , antiderivative size = 267, normalized size of antiderivative = 2.64 \[ \int \frac {\left (a+b x+c x^2\right )^3}{(b d+2 c d x)^8} \, dx=\frac {- 20 a^{3} c^{3} - 6 a^{2} b^{2} c^{2} - 2 a b^{4} c - b^{6} - 420 b c^{5} x^{5} - 140 c^{6} x^{6} + x^{4} \left (- 140 a c^{5} - 490 b^{2} c^{4}\right ) + x^{3} \left (- 280 a b c^{4} - 280 b^{3} c^{3}\right ) + x^{2} \left (- 84 a^{2} c^{4} - 168 a b^{2} c^{3} - 84 b^{4} c^{2}\right ) + x \left (- 84 a^{2} b c^{3} - 28 a b^{3} c^{2} - 14 b^{5} c\right )}{280 b^{7} c^{4} d^{8} + 3920 b^{6} c^{5} d^{8} x + 23520 b^{5} c^{6} d^{8} x^{2} + 78400 b^{4} c^{7} d^{8} x^{3} + 156800 b^{3} c^{8} d^{8} x^{4} + 188160 b^{2} c^{9} d^{8} x^{5} + 125440 b c^{10} d^{8} x^{6} + 35840 c^{11} d^{8} x^{7}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 248 vs. \(2 (93) = 186\).
Time = 0.21 (sec) , antiderivative size = 248, normalized size of antiderivative = 2.46 \[ \int \frac {\left (a+b x+c x^2\right )^3}{(b d+2 c d x)^8} \, dx=-\frac {140 \, c^{6} x^{6} + 420 \, b c^{5} x^{5} + b^{6} + 2 \, a b^{4} c + 6 \, a^{2} b^{2} c^{2} + 20 \, a^{3} c^{3} + 70 \, {\left (7 \, b^{2} c^{4} + 2 \, a c^{5}\right )} x^{4} + 280 \, {\left (b^{3} c^{3} + a b c^{4}\right )} x^{3} + 84 \, {\left (b^{4} c^{2} + 2 \, a b^{2} c^{3} + a^{2} c^{4}\right )} x^{2} + 14 \, {\left (b^{5} c + 2 \, a b^{3} c^{2} + 6 \, a^{2} b c^{3}\right )} x}{280 \, {\left (128 \, c^{11} d^{8} x^{7} + 448 \, b c^{10} d^{8} x^{6} + 672 \, b^{2} c^{9} d^{8} x^{5} + 560 \, b^{3} c^{8} d^{8} x^{4} + 280 \, b^{4} c^{7} d^{8} x^{3} + 84 \, b^{5} c^{6} d^{8} x^{2} + 14 \, b^{6} c^{5} d^{8} x + b^{7} c^{4} d^{8}\right )}} \]
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Time = 0.28 (sec) , antiderivative size = 165, normalized size of antiderivative = 1.63 \[ \int \frac {\left (a+b x+c x^2\right )^3}{(b d+2 c d x)^8} \, dx=-\frac {140 \, c^{6} x^{6} + 420 \, b c^{5} x^{5} + 490 \, b^{2} c^{4} x^{4} + 140 \, a c^{5} x^{4} + 280 \, b^{3} c^{3} x^{3} + 280 \, a b c^{4} x^{3} + 84 \, b^{4} c^{2} x^{2} + 168 \, a b^{2} c^{3} x^{2} + 84 \, a^{2} c^{4} x^{2} + 14 \, b^{5} c x + 28 \, a b^{3} c^{2} x + 84 \, a^{2} b c^{3} x + b^{6} + 2 \, a b^{4} c + 6 \, a^{2} b^{2} c^{2} + 20 \, a^{3} c^{3}}{280 \, {\left (2 \, c x + b\right )}^{7} c^{4} d^{8}} \]
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Time = 9.64 (sec) , antiderivative size = 233, normalized size of antiderivative = 2.31 \[ \int \frac {\left (a+b x+c x^2\right )^3}{(b d+2 c d x)^8} \, dx=-\frac {\frac {20\,a^3\,c^3+6\,a^2\,b^2\,c^2+2\,a\,b^4\,c+b^6}{280\,c^4}+x^4\,\left (\frac {7\,b^2}{4}+\frac {a\,c}{2}\right )+\frac {c^2\,x^6}{2}+\frac {x^3\,\left (b^3+a\,c\,b\right )}{c}+\frac {3\,x^2\,\left (a^2\,c^2+2\,a\,b^2\,c+b^4\right )}{10\,c^2}+\frac {3\,b\,c\,x^5}{2}+\frac {b\,x\,\left (6\,a^2\,c^2+2\,a\,b^2\,c+b^4\right )}{20\,c^3}}{b^7\,d^8+14\,b^6\,c\,d^8\,x+84\,b^5\,c^2\,d^8\,x^2+280\,b^4\,c^3\,d^8\,x^3+560\,b^3\,c^4\,d^8\,x^4+672\,b^2\,c^5\,d^8\,x^5+448\,b\,c^6\,d^8\,x^6+128\,c^7\,d^8\,x^7} \]
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