Integrand size = 20, antiderivative size = 18 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^3} \, dx=-\frac {c^3 (a-b x)^4}{2 x^2} \]
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Time = 0.00 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.050, Rules used = {75} \[ \int \frac {(a+b x) (a c-b c x)^3}{x^3} \, dx=-\frac {c^3 (a-b x)^4}{2 x^2} \]
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Rule 75
Rubi steps \begin{align*} \text {integral}& = -\frac {c^3 (a-b x)^4}{2 x^2} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(41\) vs. \(2(18)=36\).
Time = 0.01 (sec) , antiderivative size = 41, normalized size of antiderivative = 2.28 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^3} \, dx=c^3 \left (-\frac {a^4}{2 x^2}+\frac {2 a^3 b}{x}+2 a b^3 x-\frac {b^4 x^2}{2}\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. \(35\) vs. \(2(16)=32\).
Time = 0.37 (sec) , antiderivative size = 36, normalized size of antiderivative = 2.00
method | result | size |
gosper | \(-\frac {c^{3} \left (b^{4} x^{4}-4 a \,b^{3} x^{3}-4 a^{3} b x +a^{4}\right )}{2 x^{2}}\) | \(36\) |
default | \(c^{3} \left (-\frac {b^{4} x^{2}}{2}+2 a \,b^{3} x +\frac {2 a^{3} b}{x}-\frac {a^{4}}{2 x^{2}}\right )\) | \(38\) |
risch | \(-\frac {b^{4} c^{3} x^{2}}{2}+2 b^{3} c^{3} a x +\frac {2 a^{3} b \,c^{3} x -\frac {1}{2} a^{4} c^{3}}{x^{2}}\) | \(46\) |
parallelrisch | \(-\frac {b^{4} c^{3} x^{4}-4 a \,b^{3} c^{3} x^{3}-4 a^{3} b \,c^{3} x +a^{4} c^{3}}{2 x^{2}}\) | \(46\) |
norman | \(\frac {-\frac {1}{2} a^{4} c^{3}-\frac {1}{2} b^{4} c^{3} x^{4}+2 a \,b^{3} c^{3} x^{3}+2 a^{3} b \,c^{3} x}{x^{2}}\) | \(47\) |
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Leaf count of result is larger than twice the leaf count of optimal. 45 vs. \(2 (17) = 34\).
Time = 0.21 (sec) , antiderivative size = 45, normalized size of antiderivative = 2.50 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^3} \, dx=-\frac {b^{4} c^{3} x^{4} - 4 \, a b^{3} c^{3} x^{3} - 4 \, a^{3} b c^{3} x + a^{4} c^{3}}{2 \, x^{2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 46 vs. \(2 (15) = 30\).
Time = 0.07 (sec) , antiderivative size = 46, normalized size of antiderivative = 2.56 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^3} \, dx=2 a b^{3} c^{3} x - \frac {b^{4} c^{3} x^{2}}{2} - \frac {a^{4} c^{3} - 4 a^{3} b c^{3} x}{2 x^{2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 46 vs. \(2 (17) = 34\).
Time = 0.19 (sec) , antiderivative size = 46, normalized size of antiderivative = 2.56 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^3} \, dx=-\frac {1}{2} \, b^{4} c^{3} x^{2} + 2 \, a b^{3} c^{3} x + \frac {4 \, a^{3} b c^{3} x - a^{4} c^{3}}{2 \, x^{2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 46 vs. \(2 (17) = 34\).
Time = 0.29 (sec) , antiderivative size = 46, normalized size of antiderivative = 2.56 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^3} \, dx=-\frac {1}{2} \, b^{4} c^{3} x^{2} + 2 \, a b^{3} c^{3} x + \frac {4 \, a^{3} b c^{3} x - a^{4} c^{3}}{2 \, x^{2}} \]
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Time = 0.35 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.94 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^3} \, dx=-\frac {c^3\,\left (a^4-4\,a^3\,b\,x-4\,a\,b^3\,x^3+b^4\,x^4\right )}{2\,x^2} \]
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