Integrand size = 20, antiderivative size = 41 \[ \int \frac {(a+b x) (a c-b c x)^4}{x^7} \, dx=-\frac {c^4 (a-b x)^5}{6 x^6}-\frac {7 b c^4 (a-b x)^5}{30 a x^5} \]
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Time = 0.01 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {79, 37} \[ \int \frac {(a+b x) (a c-b c x)^4}{x^7} \, dx=-\frac {c^4 (a-b x)^5}{6 x^6}-\frac {7 b c^4 (a-b x)^5}{30 a x^5} \]
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Rule 37
Rule 79
Rubi steps \begin{align*} \text {integral}& = -\frac {c^4 (a-b x)^5}{6 x^6}+\frac {1}{6} (7 b) \int \frac {(a c-b c x)^4}{x^6} \, dx \\ & = -\frac {c^4 (a-b x)^5}{6 x^6}-\frac {7 b c^4 (a-b x)^5}{30 a x^5} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(85\) vs. \(2(41)=82\).
Time = 0.01 (sec) , antiderivative size = 85, normalized size of antiderivative = 2.07 \[ \int \frac {(a+b x) (a c-b c x)^4}{x^7} \, dx=-\frac {a^5 c^4}{6 x^6}+\frac {3 a^4 b c^4}{5 x^5}-\frac {a^3 b^2 c^4}{2 x^4}-\frac {2 a^2 b^3 c^4}{3 x^3}+\frac {3 a b^4 c^4}{2 x^2}-\frac {b^5 c^4}{x} \]
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Time = 0.37 (sec) , antiderivative size = 61, normalized size of antiderivative = 1.49
method | result | size |
gosper | \(-\frac {c^{4} \left (30 b^{5} x^{5}-45 a \,b^{4} x^{4}+20 a^{2} b^{3} x^{3}+15 a^{3} b^{2} x^{2}-18 a^{4} b x +5 a^{5}\right )}{30 x^{6}}\) | \(61\) |
default | \(c^{4} \left (-\frac {a^{5}}{6 x^{6}}-\frac {2 a^{2} b^{3}}{3 x^{3}}-\frac {b^{5}}{x}+\frac {3 a \,b^{4}}{2 x^{2}}-\frac {a^{3} b^{2}}{2 x^{4}}+\frac {3 a^{4} b}{5 x^{5}}\right )\) | \(62\) |
norman | \(\frac {-\frac {1}{6} a^{5} c^{4}-b^{5} c^{4} x^{5}+\frac {3}{2} a \,b^{4} c^{4} x^{4}-\frac {2}{3} a^{2} b^{3} c^{4} x^{3}-\frac {1}{2} a^{3} b^{2} c^{4} x^{2}+\frac {3}{5} a^{4} b \,c^{4} x}{x^{6}}\) | \(75\) |
risch | \(\frac {-\frac {1}{6} a^{5} c^{4}-b^{5} c^{4} x^{5}+\frac {3}{2} a \,b^{4} c^{4} x^{4}-\frac {2}{3} a^{2} b^{3} c^{4} x^{3}-\frac {1}{2} a^{3} b^{2} c^{4} x^{2}+\frac {3}{5} a^{4} b \,c^{4} x}{x^{6}}\) | \(75\) |
parallelrisch | \(\frac {-30 b^{5} c^{4} x^{5}+45 a \,b^{4} c^{4} x^{4}-20 a^{2} b^{3} c^{4} x^{3}-15 a^{3} b^{2} c^{4} x^{2}+18 a^{4} b \,c^{4} x -5 a^{5} c^{4}}{30 x^{6}}\) | \(76\) |
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Time = 0.23 (sec) , antiderivative size = 75, normalized size of antiderivative = 1.83 \[ \int \frac {(a+b x) (a c-b c x)^4}{x^7} \, dx=-\frac {30 \, b^{5} c^{4} x^{5} - 45 \, a b^{4} c^{4} x^{4} + 20 \, a^{2} b^{3} c^{4} x^{3} + 15 \, a^{3} b^{2} c^{4} x^{2} - 18 \, a^{4} b c^{4} x + 5 \, a^{5} c^{4}}{30 \, x^{6}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 80 vs. \(2 (36) = 72\).
Time = 0.20 (sec) , antiderivative size = 80, normalized size of antiderivative = 1.95 \[ \int \frac {(a+b x) (a c-b c x)^4}{x^7} \, dx=\frac {- 5 a^{5} c^{4} + 18 a^{4} b c^{4} x - 15 a^{3} b^{2} c^{4} x^{2} - 20 a^{2} b^{3} c^{4} x^{3} + 45 a b^{4} c^{4} x^{4} - 30 b^{5} c^{4} x^{5}}{30 x^{6}} \]
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Time = 0.20 (sec) , antiderivative size = 75, normalized size of antiderivative = 1.83 \[ \int \frac {(a+b x) (a c-b c x)^4}{x^7} \, dx=-\frac {30 \, b^{5} c^{4} x^{5} - 45 \, a b^{4} c^{4} x^{4} + 20 \, a^{2} b^{3} c^{4} x^{3} + 15 \, a^{3} b^{2} c^{4} x^{2} - 18 \, a^{4} b c^{4} x + 5 \, a^{5} c^{4}}{30 \, x^{6}} \]
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Time = 0.29 (sec) , antiderivative size = 75, normalized size of antiderivative = 1.83 \[ \int \frac {(a+b x) (a c-b c x)^4}{x^7} \, dx=-\frac {30 \, b^{5} c^{4} x^{5} - 45 \, a b^{4} c^{4} x^{4} + 20 \, a^{2} b^{3} c^{4} x^{3} + 15 \, a^{3} b^{2} c^{4} x^{2} - 18 \, a^{4} b c^{4} x + 5 \, a^{5} c^{4}}{30 \, x^{6}} \]
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Time = 0.05 (sec) , antiderivative size = 74, normalized size of antiderivative = 1.80 \[ \int \frac {(a+b x) (a c-b c x)^4}{x^7} \, dx=-\frac {\frac {a^5\,c^4}{6}-\frac {3\,a^4\,b\,c^4\,x}{5}+\frac {a^3\,b^2\,c^4\,x^2}{2}+\frac {2\,a^2\,b^3\,c^4\,x^3}{3}-\frac {3\,a\,b^4\,c^4\,x^4}{2}+b^5\,c^4\,x^5}{x^6} \]
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