Integrand size = 11, antiderivative size = 17 \[ \int \frac {(a+b x)^5}{x^7} \, dx=-\frac {(a+b x)^6}{6 a x^6} \]
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Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {37} \[ \int \frac {(a+b x)^5}{x^7} \, dx=-\frac {(a+b x)^6}{6 a x^6} \]
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Rule 37
Rubi steps \begin{align*} \text {integral}& = -\frac {(a+b x)^6}{6 a x^6} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(65\) vs. \(2(17)=34\).
Time = 0.00 (sec) , antiderivative size = 65, normalized size of antiderivative = 3.82 \[ \int \frac {(a+b x)^5}{x^7} \, dx=-\frac {a^5}{6 x^6}-\frac {a^4 b}{x^5}-\frac {5 a^3 b^2}{2 x^4}-\frac {10 a^2 b^3}{3 x^3}-\frac {5 a b^4}{2 x^2}-\frac {b^5}{x} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(55\) vs. \(2(15)=30\).
Time = 0.16 (sec) , antiderivative size = 56, normalized size of antiderivative = 3.29
method | result | size |
gosper | \(-\frac {6 b^{5} x^{5}+15 a \,b^{4} x^{4}+20 a^{2} b^{3} x^{3}+15 a^{3} b^{2} x^{2}+6 a^{4} b x +a^{5}}{6 x^{6}}\) | \(56\) |
norman | \(\frac {-b^{5} x^{5}-\frac {5}{2} a \,b^{4} x^{4}-\frac {10}{3} a^{2} b^{3} x^{3}-\frac {5}{2} a^{3} b^{2} x^{2}-a^{4} b x -\frac {1}{6} a^{5}}{x^{6}}\) | \(57\) |
risch | \(\frac {-b^{5} x^{5}-\frac {5}{2} a \,b^{4} x^{4}-\frac {10}{3} a^{2} b^{3} x^{3}-\frac {5}{2} a^{3} b^{2} x^{2}-a^{4} b x -\frac {1}{6} a^{5}}{x^{6}}\) | \(57\) |
default | \(-\frac {a^{5}}{6 x^{6}}-\frac {10 a^{2} b^{3}}{3 x^{3}}-\frac {b^{5}}{x}-\frac {5 a \,b^{4}}{2 x^{2}}-\frac {5 a^{3} b^{2}}{2 x^{4}}-\frac {a^{4} b}{x^{5}}\) | \(58\) |
parallelrisch | \(\frac {-6 b^{5} x^{5}-15 a \,b^{4} x^{4}-20 a^{2} b^{3} x^{3}-15 a^{3} b^{2} x^{2}-6 a^{4} b x -a^{5}}{6 x^{6}}\) | \(58\) |
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Leaf count of result is larger than twice the leaf count of optimal. 55 vs. \(2 (15) = 30\).
Time = 0.21 (sec) , antiderivative size = 55, normalized size of antiderivative = 3.24 \[ \int \frac {(a+b x)^5}{x^7} \, dx=-\frac {6 \, b^{5} x^{5} + 15 \, a b^{4} x^{4} + 20 \, a^{2} b^{3} x^{3} + 15 \, a^{3} b^{2} x^{2} + 6 \, a^{4} b x + a^{5}}{6 \, x^{6}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 60 vs. \(2 (14) = 28\).
Time = 0.21 (sec) , antiderivative size = 60, normalized size of antiderivative = 3.53 \[ \int \frac {(a+b x)^5}{x^7} \, dx=\frac {- a^{5} - 6 a^{4} b x - 15 a^{3} b^{2} x^{2} - 20 a^{2} b^{3} x^{3} - 15 a b^{4} x^{4} - 6 b^{5} x^{5}}{6 x^{6}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 55 vs. \(2 (15) = 30\).
Time = 0.20 (sec) , antiderivative size = 55, normalized size of antiderivative = 3.24 \[ \int \frac {(a+b x)^5}{x^7} \, dx=-\frac {6 \, b^{5} x^{5} + 15 \, a b^{4} x^{4} + 20 \, a^{2} b^{3} x^{3} + 15 \, a^{3} b^{2} x^{2} + 6 \, a^{4} b x + a^{5}}{6 \, x^{6}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 55 vs. \(2 (15) = 30\).
Time = 0.28 (sec) , antiderivative size = 55, normalized size of antiderivative = 3.24 \[ \int \frac {(a+b x)^5}{x^7} \, dx=-\frac {6 \, b^{5} x^{5} + 15 \, a b^{4} x^{4} + 20 \, a^{2} b^{3} x^{3} + 15 \, a^{3} b^{2} x^{2} + 6 \, a^{4} b x + a^{5}}{6 \, x^{6}} \]
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Time = 0.02 (sec) , antiderivative size = 55, normalized size of antiderivative = 3.24 \[ \int \frac {(a+b x)^5}{x^7} \, dx=-\frac {\frac {a^5}{6}+a^4\,b\,x+\frac {5\,a^3\,b^2\,x^2}{2}+\frac {10\,a^2\,b^3\,x^3}{3}+\frac {5\,a\,b^4\,x^4}{2}+b^5\,x^5}{x^6} \]
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