Integrand size = 20, antiderivative size = 84 \[ \int \frac {(a+b x) (a c-b c x)^4}{x^8} \, dx=-\frac {a^5 c^4}{7 x^7}+\frac {a^4 b c^4}{2 x^6}-\frac {2 a^3 b^2 c^4}{5 x^5}-\frac {a^2 b^3 c^4}{2 x^4}+\frac {a b^4 c^4}{x^3}-\frac {b^5 c^4}{2 x^2} \]
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Time = 0.02 (sec) , antiderivative size = 84, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.050, Rules used = {76} \[ \int \frac {(a+b x) (a c-b c x)^4}{x^8} \, dx=-\frac {a^5 c^4}{7 x^7}+\frac {a^4 b c^4}{2 x^6}-\frac {2 a^3 b^2 c^4}{5 x^5}-\frac {a^2 b^3 c^4}{2 x^4}+\frac {a b^4 c^4}{x^3}-\frac {b^5 c^4}{2 x^2} \]
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Rule 76
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {a^5 c^4}{x^8}-\frac {3 a^4 b c^4}{x^7}+\frac {2 a^3 b^2 c^4}{x^6}+\frac {2 a^2 b^3 c^4}{x^5}-\frac {3 a b^4 c^4}{x^4}+\frac {b^5 c^4}{x^3}\right ) \, dx \\ & = -\frac {a^5 c^4}{7 x^7}+\frac {a^4 b c^4}{2 x^6}-\frac {2 a^3 b^2 c^4}{5 x^5}-\frac {a^2 b^3 c^4}{2 x^4}+\frac {a b^4 c^4}{x^3}-\frac {b^5 c^4}{2 x^2} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 84, normalized size of antiderivative = 1.00 \[ \int \frac {(a+b x) (a c-b c x)^4}{x^8} \, dx=-\frac {a^5 c^4}{7 x^7}+\frac {a^4 b c^4}{2 x^6}-\frac {2 a^3 b^2 c^4}{5 x^5}-\frac {a^2 b^3 c^4}{2 x^4}+\frac {a b^4 c^4}{x^3}-\frac {b^5 c^4}{2 x^2} \]
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Time = 0.37 (sec) , antiderivative size = 61, normalized size of antiderivative = 0.73
method | result | size |
gosper | \(-\frac {c^{4} \left (35 b^{5} x^{5}-70 a \,b^{4} x^{4}+35 a^{2} b^{3} x^{3}+28 a^{3} b^{2} x^{2}-35 a^{4} b x +10 a^{5}\right )}{70 x^{7}}\) | \(61\) |
default | \(c^{4} \left (\frac {a^{4} b}{2 x^{6}}-\frac {a^{5}}{7 x^{7}}+\frac {a \,b^{4}}{x^{3}}-\frac {b^{5}}{2 x^{2}}-\frac {a^{2} b^{3}}{2 x^{4}}-\frac {2 a^{3} b^{2}}{5 x^{5}}\right )\) | \(61\) |
norman | \(\frac {a \,b^{4} c^{4} x^{4}-\frac {1}{7} a^{5} c^{4}-\frac {1}{2} b^{5} c^{4} x^{5}-\frac {1}{2} a^{2} b^{3} c^{4} x^{3}-\frac {2}{5} a^{3} b^{2} c^{4} x^{2}+\frac {1}{2} a^{4} b \,c^{4} x}{x^{7}}\) | \(74\) |
risch | \(\frac {a \,b^{4} c^{4} x^{4}-\frac {1}{7} a^{5} c^{4}-\frac {1}{2} b^{5} c^{4} x^{5}-\frac {1}{2} a^{2} b^{3} c^{4} x^{3}-\frac {2}{5} a^{3} b^{2} c^{4} x^{2}+\frac {1}{2} a^{4} b \,c^{4} x}{x^{7}}\) | \(74\) |
parallelrisch | \(\frac {-35 b^{5} c^{4} x^{5}+70 a \,b^{4} c^{4} x^{4}-35 a^{2} b^{3} c^{4} x^{3}-28 a^{3} b^{2} c^{4} x^{2}+35 a^{4} b \,c^{4} x -10 a^{5} c^{4}}{70 x^{7}}\) | \(76\) |
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Time = 0.22 (sec) , antiderivative size = 75, normalized size of antiderivative = 0.89 \[ \int \frac {(a+b x) (a c-b c x)^4}{x^8} \, dx=-\frac {35 \, b^{5} c^{4} x^{5} - 70 \, a b^{4} c^{4} x^{4} + 35 \, a^{2} b^{3} c^{4} x^{3} + 28 \, a^{3} b^{2} c^{4} x^{2} - 35 \, a^{4} b c^{4} x + 10 \, a^{5} c^{4}}{70 \, x^{7}} \]
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Time = 0.21 (sec) , antiderivative size = 80, normalized size of antiderivative = 0.95 \[ \int \frac {(a+b x) (a c-b c x)^4}{x^8} \, dx=\frac {- 10 a^{5} c^{4} + 35 a^{4} b c^{4} x - 28 a^{3} b^{2} c^{4} x^{2} - 35 a^{2} b^{3} c^{4} x^{3} + 70 a b^{4} c^{4} x^{4} - 35 b^{5} c^{4} x^{5}}{70 x^{7}} \]
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Time = 0.21 (sec) , antiderivative size = 75, normalized size of antiderivative = 0.89 \[ \int \frac {(a+b x) (a c-b c x)^4}{x^8} \, dx=-\frac {35 \, b^{5} c^{4} x^{5} - 70 \, a b^{4} c^{4} x^{4} + 35 \, a^{2} b^{3} c^{4} x^{3} + 28 \, a^{3} b^{2} c^{4} x^{2} - 35 \, a^{4} b c^{4} x + 10 \, a^{5} c^{4}}{70 \, x^{7}} \]
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Time = 0.30 (sec) , antiderivative size = 75, normalized size of antiderivative = 0.89 \[ \int \frac {(a+b x) (a c-b c x)^4}{x^8} \, dx=-\frac {35 \, b^{5} c^{4} x^{5} - 70 \, a b^{4} c^{4} x^{4} + 35 \, a^{2} b^{3} c^{4} x^{3} + 28 \, a^{3} b^{2} c^{4} x^{2} - 35 \, a^{4} b c^{4} x + 10 \, a^{5} c^{4}}{70 \, x^{7}} \]
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Time = 0.36 (sec) , antiderivative size = 75, normalized size of antiderivative = 0.89 \[ \int \frac {(a+b x) (a c-b c x)^4}{x^8} \, dx=-\frac {\frac {a^5\,c^4}{7}-\frac {a^4\,b\,c^4\,x}{2}+\frac {2\,a^3\,b^2\,c^4\,x^2}{5}+\frac {a^2\,b^3\,c^4\,x^3}{2}-a\,b^4\,c^4\,x^4+\frac {b^5\,c^4\,x^5}{2}}{x^7} \]
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