Integrand size = 29, antiderivative size = 58 \[ \int \frac {\left (a c+(b c+a d) x+b d x^2\right )^3}{(a+b x)^9} \, dx=-\frac {(c+d x)^4}{5 (b c-a d) (a+b x)^5}+\frac {d (c+d x)^4}{20 (b c-a d)^2 (a+b x)^4} \]
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Time = 0.01 (sec) , antiderivative size = 58, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.103, Rules used = {640, 47, 37} \[ \int \frac {\left (a c+(b c+a d) x+b d x^2\right )^3}{(a+b x)^9} \, dx=\frac {d (c+d x)^4}{20 (a+b x)^4 (b c-a d)^2}-\frac {(c+d x)^4}{5 (a+b x)^5 (b c-a d)} \]
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Rule 37
Rule 47
Rule 640
Rubi steps \begin{align*} \text {integral}& = \int \frac {(c+d x)^3}{(a+b x)^6} \, dx \\ & = -\frac {(c+d x)^4}{5 (b c-a d) (a+b x)^5}-\frac {d \int \frac {(c+d x)^3}{(a+b x)^5} \, dx}{5 (b c-a d)} \\ & = -\frac {(c+d x)^4}{5 (b c-a d) (a+b x)^5}+\frac {d (c+d x)^4}{20 (b c-a d)^2 (a+b x)^4} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 97, normalized size of antiderivative = 1.67 \[ \int \frac {\left (a c+(b c+a d) x+b d x^2\right )^3}{(a+b x)^9} \, dx=-\frac {a^3 d^3+a^2 b d^2 (2 c+5 d x)+a b^2 d \left (3 c^2+10 c d x+10 d^2 x^2\right )+b^3 \left (4 c^3+15 c^2 d x+20 c d^2 x^2+10 d^3 x^3\right )}{20 b^4 (a+b x)^5} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(109\) vs. \(2(54)=108\).
Time = 2.38 (sec) , antiderivative size = 110, normalized size of antiderivative = 1.90
method | result | size |
risch | \(\frac {-\frac {d^{3} x^{3}}{2 b}-\frac {d^{2} \left (a d +2 b c \right ) x^{2}}{2 b^{2}}-\frac {d \left (a^{2} d^{2}+2 a b c d +3 b^{2} c^{2}\right ) x}{4 b^{3}}-\frac {a^{3} d^{3}+2 a^{2} b c \,d^{2}+3 a \,b^{2} c^{2} d +4 b^{3} c^{3}}{20 b^{4}}}{\left (b x +a \right )^{5}}\) | \(110\) |
gosper | \(-\frac {10 d^{3} x^{3} b^{3}+10 x^{2} a \,b^{2} d^{3}+20 x^{2} b^{3} c \,d^{2}+5 x \,a^{2} b \,d^{3}+10 x a \,b^{2} c \,d^{2}+15 x \,b^{3} c^{2} d +a^{3} d^{3}+2 a^{2} b c \,d^{2}+3 a \,b^{2} c^{2} d +4 b^{3} c^{3}}{20 b^{4} \left (b x +a \right )^{5}}\) | \(115\) |
default | \(\frac {d^{2} \left (a d -b c \right )}{b^{4} \left (b x +a \right )^{3}}-\frac {-a^{3} d^{3}+3 a^{2} b c \,d^{2}-3 a \,b^{2} c^{2} d +b^{3} c^{3}}{5 b^{4} \left (b x +a \right )^{5}}-\frac {3 d \left (a^{2} d^{2}-2 a b c d +b^{2} c^{2}\right )}{4 b^{4} \left (b x +a \right )^{4}}-\frac {d^{3}}{2 b^{4} \left (b x +a \right )^{2}}\) | \(121\) |
parallelrisch | \(\frac {-10 d^{3} x^{3} b^{4}-10 a \,b^{3} d^{3} x^{2}-20 b^{4} c \,d^{2} x^{2}-5 x \,a^{2} d^{3} b^{2}-10 x a \,b^{3} c \,d^{2}-15 x \,b^{4} c^{2} d -a^{3} b \,d^{3}-2 a^{2} b^{2} c \,d^{2}-3 a \,b^{3} c^{2} d -4 b^{4} c^{3}}{20 b^{5} \left (b x +a \right )^{5}}\) | \(121\) |
norman | \(\frac {\frac {\left (-2 a \,b^{4} d^{3}-b^{5} d^{2} c \right ) x^{5}}{b^{3}}+\frac {a^{3} \left (-a^{3} b^{4} d^{3}-2 a^{2} b^{5} c \,d^{2}-3 a \,c^{2} d \,b^{6}-4 c^{3} b^{7}\right )}{20 b^{8}}-\frac {b^{2} d^{3} x^{6}}{2}+\frac {\left (-13 d^{3} a^{2} b^{4}-14 c \,d^{2} a \,b^{5}-3 c^{2} d \,b^{6}\right ) x^{4}}{4 b^{4}}+\frac {\left (-14 a^{3} b^{4} d^{3}-23 a^{2} b^{5} c \,d^{2}-12 a \,c^{2} d \,b^{6}-c^{3} b^{7}\right ) x^{3}}{5 b^{5}}+\frac {a \left (-14 a^{3} b^{4} d^{3}-28 a^{2} b^{5} c \,d^{2}-27 a \,c^{2} d \,b^{6}-6 c^{3} b^{7}\right ) x^{2}}{10 b^{6}}+\frac {a^{2} \left (-2 a^{3} b^{4} d^{3}-4 a^{2} b^{5} c \,d^{2}-6 a \,c^{2} d \,b^{6}-3 c^{3} b^{7}\right ) x}{5 b^{7}}}{\left (b x +a \right )^{8}}\) | \(288\) |
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Leaf count of result is larger than twice the leaf count of optimal. 160 vs. \(2 (54) = 108\).
Time = 0.27 (sec) , antiderivative size = 160, normalized size of antiderivative = 2.76 \[ \int \frac {\left (a c+(b c+a d) x+b d x^2\right )^3}{(a+b x)^9} \, dx=-\frac {10 \, b^{3} d^{3} x^{3} + 4 \, b^{3} c^{3} + 3 \, a b^{2} c^{2} d + 2 \, a^{2} b c d^{2} + a^{3} d^{3} + 10 \, {\left (2 \, b^{3} c d^{2} + a b^{2} d^{3}\right )} x^{2} + 5 \, {\left (3 \, b^{3} c^{2} d + 2 \, a b^{2} c d^{2} + a^{2} b d^{3}\right )} x}{20 \, {\left (b^{9} x^{5} + 5 \, a b^{8} x^{4} + 10 \, a^{2} b^{7} x^{3} + 10 \, a^{3} b^{6} x^{2} + 5 \, a^{4} b^{5} x + a^{5} b^{4}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 172 vs. \(2 (46) = 92\).
Time = 10.87 (sec) , antiderivative size = 172, normalized size of antiderivative = 2.97 \[ \int \frac {\left (a c+(b c+a d) x+b d x^2\right )^3}{(a+b x)^9} \, dx=\frac {- a^{3} d^{3} - 2 a^{2} b c d^{2} - 3 a b^{2} c^{2} d - 4 b^{3} c^{3} - 10 b^{3} d^{3} x^{3} + x^{2} \left (- 10 a b^{2} d^{3} - 20 b^{3} c d^{2}\right ) + x \left (- 5 a^{2} b d^{3} - 10 a b^{2} c d^{2} - 15 b^{3} c^{2} d\right )}{20 a^{5} b^{4} + 100 a^{4} b^{5} x + 200 a^{3} b^{6} x^{2} + 200 a^{2} b^{7} x^{3} + 100 a b^{8} x^{4} + 20 b^{9} x^{5}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 160 vs. \(2 (54) = 108\).
Time = 0.20 (sec) , antiderivative size = 160, normalized size of antiderivative = 2.76 \[ \int \frac {\left (a c+(b c+a d) x+b d x^2\right )^3}{(a+b x)^9} \, dx=-\frac {10 \, b^{3} d^{3} x^{3} + 4 \, b^{3} c^{3} + 3 \, a b^{2} c^{2} d + 2 \, a^{2} b c d^{2} + a^{3} d^{3} + 10 \, {\left (2 \, b^{3} c d^{2} + a b^{2} d^{3}\right )} x^{2} + 5 \, {\left (3 \, b^{3} c^{2} d + 2 \, a b^{2} c d^{2} + a^{2} b d^{3}\right )} x}{20 \, {\left (b^{9} x^{5} + 5 \, a b^{8} x^{4} + 10 \, a^{2} b^{7} x^{3} + 10 \, a^{3} b^{6} x^{2} + 5 \, a^{4} b^{5} x + a^{5} b^{4}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 114 vs. \(2 (54) = 108\).
Time = 0.28 (sec) , antiderivative size = 114, normalized size of antiderivative = 1.97 \[ \int \frac {\left (a c+(b c+a d) x+b d x^2\right )^3}{(a+b x)^9} \, dx=-\frac {10 \, b^{3} d^{3} x^{3} + 20 \, b^{3} c d^{2} x^{2} + 10 \, a b^{2} d^{3} x^{2} + 15 \, b^{3} c^{2} d x + 10 \, a b^{2} c d^{2} x + 5 \, a^{2} b d^{3} x + 4 \, b^{3} c^{3} + 3 \, a b^{2} c^{2} d + 2 \, a^{2} b c d^{2} + a^{3} d^{3}}{20 \, {\left (b x + a\right )}^{5} b^{4}} \]
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Time = 9.82 (sec) , antiderivative size = 154, normalized size of antiderivative = 2.66 \[ \int \frac {\left (a c+(b c+a d) x+b d x^2\right )^3}{(a+b x)^9} \, dx=-\frac {\frac {a^3\,d^3+2\,a^2\,b\,c\,d^2+3\,a\,b^2\,c^2\,d+4\,b^3\,c^3}{20\,b^4}+\frac {d^3\,x^3}{2\,b}+\frac {d\,x\,\left (a^2\,d^2+2\,a\,b\,c\,d+3\,b^2\,c^2\right )}{4\,b^3}+\frac {d^2\,x^2\,\left (a\,d+2\,b\,c\right )}{2\,b^2}}{a^5+5\,a^4\,b\,x+10\,a^3\,b^2\,x^2+10\,a^2\,b^3\,x^3+5\,a\,b^4\,x^4+b^5\,x^5} \]
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