Integrand size = 22, antiderivative size = 45 \[ \int \frac {a+b x+c x^2}{(b d+2 c d x)^6} \, dx=\frac {b^2-4 a c}{40 c^2 d^6 (b+2 c x)^5}-\frac {1}{24 c^2 d^6 (b+2 c x)^3} \]
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Time = 0.02 (sec) , antiderivative size = 45, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.045, Rules used = {697} \[ \int \frac {a+b x+c x^2}{(b d+2 c d x)^6} \, dx=\frac {b^2-4 a c}{40 c^2 d^6 (b+2 c x)^5}-\frac {1}{24 c^2 d^6 (b+2 c x)^3} \]
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Rule 697
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {-b^2+4 a c}{4 c d^6 (b+2 c x)^6}+\frac {1}{4 c d^6 (b+2 c x)^4}\right ) \, dx \\ & = \frac {b^2-4 a c}{40 c^2 d^6 (b+2 c x)^5}-\frac {1}{24 c^2 d^6 (b+2 c x)^3} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 43, normalized size of antiderivative = 0.96 \[ \int \frac {a+b x+c x^2}{(b d+2 c d x)^6} \, dx=\frac {\frac {b^2-4 a c}{40 c^2 (b+2 c x)^5}-\frac {1}{24 c^2 (b+2 c x)^3}}{d^6} \]
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Time = 2.45 (sec) , antiderivative size = 38, normalized size of antiderivative = 0.84
method | result | size |
gosper | \(-\frac {10 c^{2} x^{2}+10 b c x +6 a c +b^{2}}{60 \left (2 c x +b \right )^{5} d^{6} c^{2}}\) | \(38\) |
risch | \(\frac {-\frac {x^{2}}{6}-\frac {b x}{6 c}-\frac {6 a c +b^{2}}{60 c^{2}}}{d^{6} \left (2 c x +b \right )^{5}}\) | \(39\) |
default | \(\frac {-\frac {1}{24 c^{2} \left (2 c x +b \right )^{3}}-\frac {4 a c -b^{2}}{40 c^{2} \left (2 c x +b \right )^{5}}}{d^{6}}\) | \(42\) |
parallelrisch | \(\frac {96 x^{5} a \,c^{4}+16 x^{5} b^{2} c^{3}+240 x^{4} a b \,c^{3}+40 c^{2} b^{3} x^{4}+240 a \,b^{2} c^{2} x^{3}+40 b^{4} c \,x^{3}+120 a \,b^{3} c \,x^{2}+15 b^{5} x^{2}+30 b^{4} x a}{30 b^{5} d^{6} \left (2 c x +b \right )^{5}}\) | \(105\) |
norman | \(\frac {\frac {a x}{b d}+\frac {\left (8 a c +b^{2}\right ) x^{2}}{2 b^{2} d}+\frac {4 c^{2} \left (6 a c +b^{2}\right ) x^{4}}{3 b^{4} d}+\frac {4 c \left (6 a c +b^{2}\right ) x^{3}}{3 b^{3} d}+\frac {8 c^{3} \left (6 a c +b^{2}\right ) x^{5}}{15 b^{5} d}}{d^{5} \left (2 c x +b \right )^{5}}\) | \(106\) |
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Leaf count of result is larger than twice the leaf count of optimal. 99 vs. \(2 (41) = 82\).
Time = 0.35 (sec) , antiderivative size = 99, normalized size of antiderivative = 2.20 \[ \int \frac {a+b x+c x^2}{(b d+2 c d x)^6} \, dx=-\frac {10 \, c^{2} x^{2} + 10 \, b c x + b^{2} + 6 \, a c}{60 \, {\left (32 \, c^{7} d^{6} x^{5} + 80 \, b c^{6} d^{6} x^{4} + 80 \, b^{2} c^{5} d^{6} x^{3} + 40 \, b^{3} c^{4} d^{6} x^{2} + 10 \, b^{4} c^{3} d^{6} x + b^{5} c^{2} d^{6}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 105 vs. \(2 (42) = 84\).
Time = 0.35 (sec) , antiderivative size = 105, normalized size of antiderivative = 2.33 \[ \int \frac {a+b x+c x^2}{(b d+2 c d x)^6} \, dx=\frac {- 6 a c - b^{2} - 10 b c x - 10 c^{2} x^{2}}{60 b^{5} c^{2} d^{6} + 600 b^{4} c^{3} d^{6} x + 2400 b^{3} c^{4} d^{6} x^{2} + 4800 b^{2} c^{5} d^{6} x^{3} + 4800 b c^{6} d^{6} x^{4} + 1920 c^{7} d^{6} x^{5}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 99 vs. \(2 (41) = 82\).
Time = 0.20 (sec) , antiderivative size = 99, normalized size of antiderivative = 2.20 \[ \int \frac {a+b x+c x^2}{(b d+2 c d x)^6} \, dx=-\frac {10 \, c^{2} x^{2} + 10 \, b c x + b^{2} + 6 \, a c}{60 \, {\left (32 \, c^{7} d^{6} x^{5} + 80 \, b c^{6} d^{6} x^{4} + 80 \, b^{2} c^{5} d^{6} x^{3} + 40 \, b^{3} c^{4} d^{6} x^{2} + 10 \, b^{4} c^{3} d^{6} x + b^{5} c^{2} d^{6}\right )}} \]
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none
Time = 0.28 (sec) , antiderivative size = 37, normalized size of antiderivative = 0.82 \[ \int \frac {a+b x+c x^2}{(b d+2 c d x)^6} \, dx=-\frac {10 \, c^{2} x^{2} + 10 \, b c x + b^{2} + 6 \, a c}{60 \, {\left (2 \, c x + b\right )}^{5} c^{2} d^{6}} \]
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Time = 10.03 (sec) , antiderivative size = 99, normalized size of antiderivative = 2.20 \[ \int \frac {a+b x+c x^2}{(b d+2 c d x)^6} \, dx=-\frac {\frac {b^2+6\,a\,c}{60\,c^2}+\frac {x^2}{6}+\frac {b\,x}{6\,c}}{b^5\,d^6+10\,b^4\,c\,d^6\,x+40\,b^3\,c^2\,d^6\,x^2+80\,b^2\,c^3\,d^6\,x^3+80\,b\,c^4\,d^6\,x^4+32\,c^5\,d^6\,x^5} \]
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