Integrand size = 11, antiderivative size = 56 \[ \int \frac {(a+b x)^5}{x^9} \, dx=-\frac {(a+b x)^6}{8 a x^8}+\frac {b (a+b x)^6}{28 a^2 x^7}-\frac {b^2 (a+b x)^6}{168 a^3 x^6} \]
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Time = 0.01 (sec) , antiderivative size = 56, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {47, 37} \[ \int \frac {(a+b x)^5}{x^9} \, dx=-\frac {b^2 (a+b x)^6}{168 a^3 x^6}+\frac {b (a+b x)^6}{28 a^2 x^7}-\frac {(a+b x)^6}{8 a x^8} \]
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Rule 37
Rule 47
Rubi steps \begin{align*} \text {integral}& = -\frac {(a+b x)^6}{8 a x^8}-\frac {b \int \frac {(a+b x)^5}{x^8} \, dx}{4 a} \\ & = -\frac {(a+b x)^6}{8 a x^8}+\frac {b (a+b x)^6}{28 a^2 x^7}+\frac {b^2 \int \frac {(a+b x)^5}{x^7} \, dx}{28 a^2} \\ & = -\frac {(a+b x)^6}{8 a x^8}+\frac {b (a+b x)^6}{28 a^2 x^7}-\frac {b^2 (a+b x)^6}{168 a^3 x^6} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 67, normalized size of antiderivative = 1.20 \[ \int \frac {(a+b x)^5}{x^9} \, dx=-\frac {a^5}{8 x^8}-\frac {5 a^4 b}{7 x^7}-\frac {5 a^3 b^2}{3 x^6}-\frac {2 a^2 b^3}{x^5}-\frac {5 a b^4}{4 x^4}-\frac {b^5}{3 x^3} \]
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Time = 0.16 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.02
method | result | size |
norman | \(\frac {-\frac {1}{3} b^{5} x^{5}-\frac {5}{4} a \,b^{4} x^{4}-2 a^{2} b^{3} x^{3}-\frac {5}{3} a^{3} b^{2} x^{2}-\frac {5}{7} a^{4} b x -\frac {1}{8} a^{5}}{x^{8}}\) | \(57\) |
risch | \(\frac {-\frac {1}{3} b^{5} x^{5}-\frac {5}{4} a \,b^{4} x^{4}-2 a^{2} b^{3} x^{3}-\frac {5}{3} a^{3} b^{2} x^{2}-\frac {5}{7} a^{4} b x -\frac {1}{8} a^{5}}{x^{8}}\) | \(57\) |
gosper | \(-\frac {56 b^{5} x^{5}+210 a \,b^{4} x^{4}+336 a^{2} b^{3} x^{3}+280 a^{3} b^{2} x^{2}+120 a^{4} b x +21 a^{5}}{168 x^{8}}\) | \(58\) |
default | \(-\frac {5 a^{3} b^{2}}{3 x^{6}}-\frac {5 a^{4} b}{7 x^{7}}-\frac {b^{5}}{3 x^{3}}-\frac {5 a \,b^{4}}{4 x^{4}}-\frac {2 a^{2} b^{3}}{x^{5}}-\frac {a^{5}}{8 x^{8}}\) | \(58\) |
parallelrisch | \(\frac {-56 b^{5} x^{5}-210 a \,b^{4} x^{4}-336 a^{2} b^{3} x^{3}-280 a^{3} b^{2} x^{2}-120 a^{4} b x -21 a^{5}}{168 x^{8}}\) | \(58\) |
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Time = 0.22 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.02 \[ \int \frac {(a+b x)^5}{x^9} \, dx=-\frac {56 \, b^{5} x^{5} + 210 \, a b^{4} x^{4} + 336 \, a^{2} b^{3} x^{3} + 280 \, a^{3} b^{2} x^{2} + 120 \, a^{4} b x + 21 \, a^{5}}{168 \, x^{8}} \]
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Time = 0.21 (sec) , antiderivative size = 61, normalized size of antiderivative = 1.09 \[ \int \frac {(a+b x)^5}{x^9} \, dx=\frac {- 21 a^{5} - 120 a^{4} b x - 280 a^{3} b^{2} x^{2} - 336 a^{2} b^{3} x^{3} - 210 a b^{4} x^{4} - 56 b^{5} x^{5}}{168 x^{8}} \]
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Time = 0.20 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.02 \[ \int \frac {(a+b x)^5}{x^9} \, dx=-\frac {56 \, b^{5} x^{5} + 210 \, a b^{4} x^{4} + 336 \, a^{2} b^{3} x^{3} + 280 \, a^{3} b^{2} x^{2} + 120 \, a^{4} b x + 21 \, a^{5}}{168 \, x^{8}} \]
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Time = 0.30 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.02 \[ \int \frac {(a+b x)^5}{x^9} \, dx=-\frac {56 \, b^{5} x^{5} + 210 \, a b^{4} x^{4} + 336 \, a^{2} b^{3} x^{3} + 280 \, a^{3} b^{2} x^{2} + 120 \, a^{4} b x + 21 \, a^{5}}{168 \, x^{8}} \]
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Time = 0.03 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.02 \[ \int \frac {(a+b x)^5}{x^9} \, dx=-\frac {\frac {a^5}{8}+\frac {5\,a^4\,b\,x}{7}+\frac {5\,a^3\,b^2\,x^2}{3}+2\,a^2\,b^3\,x^3+\frac {5\,a\,b^4\,x^4}{4}+\frac {b^5\,x^5}{3}}{x^8} \]
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