Integrand size = 20, antiderivative size = 50 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^6} \, dx=-\frac {a^4 c^3}{5 x^5}+\frac {a^3 b c^3}{2 x^4}-\frac {a b^3 c^3}{x^2}+\frac {b^4 c^3}{x} \]
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Time = 0.01 (sec) , antiderivative size = 50, 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} \[ \int \frac {(a+b x) (a c-b c x)^3}{x^6} \, dx=-\frac {a^4 c^3}{5 x^5}+\frac {a^3 b c^3}{2 x^4}-\frac {a b^3 c^3}{x^2}+\frac {b^4 c^3}{x} \]
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Rule 76
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {a^4 c^3}{x^6}-\frac {2 a^3 b c^3}{x^5}+\frac {2 a b^3 c^3}{x^3}-\frac {b^4 c^3}{x^2}\right ) \, dx \\ & = -\frac {a^4 c^3}{5 x^5}+\frac {a^3 b c^3}{2 x^4}-\frac {a b^3 c^3}{x^2}+\frac {b^4 c^3}{x} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 42, normalized size of antiderivative = 0.84 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^6} \, dx=c^3 \left (-\frac {a^4}{5 x^5}+\frac {a^3 b}{2 x^4}-\frac {a b^3}{x^2}+\frac {b^4}{x}\right ) \]
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Time = 0.37 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.78
method | result | size |
gosper | \(-\frac {c^{3} \left (-10 b^{4} x^{4}+10 a \,b^{3} x^{3}-5 a^{3} b x +2 a^{4}\right )}{10 x^{5}}\) | \(39\) |
default | \(c^{3} \left (\frac {b^{4}}{x}-\frac {a \,b^{3}}{x^{2}}+\frac {a^{3} b}{2 x^{4}}-\frac {a^{4}}{5 x^{5}}\right )\) | \(39\) |
norman | \(\frac {b^{4} c^{3} x^{4}-\frac {1}{5} a^{4} c^{3}-a \,b^{3} c^{3} x^{3}+\frac {1}{2} a^{3} b \,c^{3} x}{x^{5}}\) | \(46\) |
risch | \(\frac {b^{4} c^{3} x^{4}-\frac {1}{5} a^{4} c^{3}-a \,b^{3} c^{3} x^{3}+\frac {1}{2} a^{3} b \,c^{3} x}{x^{5}}\) | \(46\) |
parallelrisch | \(\frac {10 b^{4} c^{3} x^{4}-10 a \,b^{3} c^{3} x^{3}+5 a^{3} b \,c^{3} x -2 a^{4} c^{3}}{10 x^{5}}\) | \(48\) |
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Time = 0.21 (sec) , antiderivative size = 47, normalized size of antiderivative = 0.94 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^6} \, dx=\frac {10 \, b^{4} c^{3} x^{4} - 10 \, a b^{3} c^{3} x^{3} + 5 \, a^{3} b c^{3} x - 2 \, a^{4} c^{3}}{10 \, x^{5}} \]
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Time = 0.13 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.02 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^6} \, dx=- \frac {2 a^{4} c^{3} - 5 a^{3} b c^{3} x + 10 a b^{3} c^{3} x^{3} - 10 b^{4} c^{3} x^{4}}{10 x^{5}} \]
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Time = 0.22 (sec) , antiderivative size = 47, normalized size of antiderivative = 0.94 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^6} \, dx=\frac {10 \, b^{4} c^{3} x^{4} - 10 \, a b^{3} c^{3} x^{3} + 5 \, a^{3} b c^{3} x - 2 \, a^{4} c^{3}}{10 \, x^{5}} \]
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Time = 0.29 (sec) , antiderivative size = 47, normalized size of antiderivative = 0.94 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^6} \, dx=\frac {10 \, b^{4} c^{3} x^{4} - 10 \, a b^{3} c^{3} x^{3} + 5 \, a^{3} b c^{3} x - 2 \, a^{4} c^{3}}{10 \, x^{5}} \]
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Time = 0.31 (sec) , antiderivative size = 46, normalized size of antiderivative = 0.92 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^6} \, dx=-\frac {\frac {a^4\,c^3}{5}-\frac {a^3\,b\,c^3\,x}{2}+a\,b^3\,c^3\,x^3-b^4\,c^3\,x^4}{x^5} \]
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