Integrand size = 18, antiderivative size = 17 \[ \int \frac {(a+b x)^5}{(a c+b c x)^8} \, dx=-\frac {1}{2 b c^8 (a+b x)^2} \]
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Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {21, 32} \[ \int \frac {(a+b x)^5}{(a c+b c x)^8} \, dx=-\frac {1}{2 b c^8 (a+b x)^2} \]
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Rule 21
Rule 32
Rubi steps \begin{align*} \text {integral}& = \frac {\int \frac {1}{(a+b x)^3} \, dx}{c^8} \\ & = -\frac {1}{2 b c^8 (a+b x)^2} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00 \[ \int \frac {(a+b x)^5}{(a c+b c x)^8} \, dx=-\frac {1}{2 b c^8 (a+b x)^2} \]
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Time = 0.16 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.94
method | result | size |
gosper | \(-\frac {1}{2 b \,c^{8} \left (b x +a \right )^{2}}\) | \(16\) |
default | \(-\frac {1}{2 b \,c^{8} \left (b x +a \right )^{2}}\) | \(16\) |
risch | \(-\frac {1}{2 b \,c^{8} \left (b x +a \right )^{2}}\) | \(16\) |
parallelrisch | \(-\frac {1}{2 b \,c^{8} \left (b x +a \right )^{2}}\) | \(16\) |
norman | \(\frac {-\frac {5 a^{3} b \,x^{2}}{c}-\frac {a^{5}}{2 b c}-\frac {b^{4} x^{5}}{2 c}-\frac {5 a \,b^{3} x^{4}}{2 c}-\frac {5 a^{2} b^{2} x^{3}}{c}-\frac {5 a^{4} x}{2 c}}{c^{7} \left (b x +a \right )^{7}}\) | \(82\) |
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Leaf count of result is larger than twice the leaf count of optimal. 33 vs. \(2 (15) = 30\).
Time = 0.21 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.94 \[ \int \frac {(a+b x)^5}{(a c+b c x)^8} \, dx=-\frac {1}{2 \, {\left (b^{3} c^{8} x^{2} + 2 \, a b^{2} c^{8} x + a^{2} b c^{8}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 36 vs. \(2 (15) = 30\).
Time = 0.31 (sec) , antiderivative size = 36, normalized size of antiderivative = 2.12 \[ \int \frac {(a+b x)^5}{(a c+b c x)^8} \, dx=- \frac {1}{2 a^{2} b c^{8} + 4 a b^{2} c^{8} x + 2 b^{3} c^{8} x^{2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 33 vs. \(2 (15) = 30\).
Time = 0.21 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.94 \[ \int \frac {(a+b x)^5}{(a c+b c x)^8} \, dx=-\frac {1}{2 \, {\left (b^{3} c^{8} x^{2} + 2 \, a b^{2} c^{8} x + a^{2} b c^{8}\right )}} \]
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none
Time = 0.28 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int \frac {(a+b x)^5}{(a c+b c x)^8} \, dx=-\frac {1}{2 \, {\left (b x + a\right )}^{2} b c^{8}} \]
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Time = 0.16 (sec) , antiderivative size = 35, normalized size of antiderivative = 2.06 \[ \int \frac {(a+b x)^5}{(a c+b c x)^8} \, dx=-\frac {1}{2\,a^2\,b\,c^8+4\,a\,b^2\,c^8\,x+2\,b^3\,c^8\,x^2} \]
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