Integrand size = 20, antiderivative size = 15 \[ \int \frac {1}{\left (\frac {b c}{d}+b x\right )^2 (c+d x)^3} \, dx=-\frac {d}{4 b^2 (c+d x)^4} \]
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Time = 0.00 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {21, 32} \[ \int \frac {1}{\left (\frac {b c}{d}+b x\right )^2 (c+d x)^3} \, dx=-\frac {d}{4 b^2 (c+d x)^4} \]
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Rule 21
Rule 32
Rubi steps \begin{align*} \text {integral}& = \frac {d^2 \int \frac {1}{(c+d x)^5} \, dx}{b^2} \\ & = -\frac {d}{4 b^2 (c+d x)^4} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00 \[ \int \frac {1}{\left (\frac {b c}{d}+b x\right )^2 (c+d x)^3} \, dx=-\frac {d}{4 b^2 (c+d x)^4} \]
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Time = 0.30 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.93
method | result | size |
gosper | \(-\frac {d}{4 b^{2} \left (d x +c \right )^{4}}\) | \(14\) |
default | \(-\frac {d}{4 b^{2} \left (d x +c \right )^{4}}\) | \(14\) |
norman | \(-\frac {d}{4 b^{2} \left (d x +c \right )^{4}}\) | \(14\) |
risch | \(-\frac {d}{4 b^{2} \left (d x +c \right )^{4}}\) | \(14\) |
parallelrisch | \(-\frac {d}{4 b^{2} \left (d x +c \right )^{4}}\) | \(14\) |
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Leaf count of result is larger than twice the leaf count of optimal. 59 vs. \(2 (13) = 26\).
Time = 0.22 (sec) , antiderivative size = 59, normalized size of antiderivative = 3.93 \[ \int \frac {1}{\left (\frac {b c}{d}+b x\right )^2 (c+d x)^3} \, dx=-\frac {d}{4 \, {\left (b^{2} d^{4} x^{4} + 4 \, b^{2} c d^{3} x^{3} + 6 \, b^{2} c^{2} d^{2} x^{2} + 4 \, b^{2} c^{3} d x + b^{2} c^{4}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 68 vs. \(2 (14) = 28\).
Time = 0.23 (sec) , antiderivative size = 68, normalized size of antiderivative = 4.53 \[ \int \frac {1}{\left (\frac {b c}{d}+b x\right )^2 (c+d x)^3} \, dx=- \frac {d^{2}}{4 b^{2} c^{4} d + 16 b^{2} c^{3} d^{2} x + 24 b^{2} c^{2} d^{3} x^{2} + 16 b^{2} c d^{4} x^{3} + 4 b^{2} d^{5} x^{4}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 59 vs. \(2 (13) = 26\).
Time = 0.21 (sec) , antiderivative size = 59, normalized size of antiderivative = 3.93 \[ \int \frac {1}{\left (\frac {b c}{d}+b x\right )^2 (c+d x)^3} \, dx=-\frac {d}{4 \, {\left (b^{2} d^{4} x^{4} + 4 \, b^{2} c d^{3} x^{3} + 6 \, b^{2} c^{2} d^{2} x^{2} + 4 \, b^{2} c^{3} d x + b^{2} c^{4}\right )}} \]
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none
Time = 0.30 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.33 \[ \int \frac {1}{\left (\frac {b c}{d}+b x\right )^2 (c+d x)^3} \, dx=-\frac {b^{2}}{4 \, {\left (b x + \frac {b c}{d}\right )}^{4} d^{3}} \]
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Time = 0.06 (sec) , antiderivative size = 61, normalized size of antiderivative = 4.07 \[ \int \frac {1}{\left (\frac {b c}{d}+b x\right )^2 (c+d x)^3} \, dx=-\frac {d}{4\,\left (b^2\,c^4+4\,b^2\,c^3\,d\,x+6\,b^2\,c^2\,d^2\,x^2+4\,b^2\,c\,d^3\,x^3+b^2\,d^4\,x^4\right )} \]
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