Integrand size = 30, antiderivative size = 13 \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^5} \, dx=\frac {c^2 \log (d+e x)}{e} \]
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Time = 0.00 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {27, 12, 31} \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^5} \, dx=\frac {c^2 \log (d+e x)}{e} \]
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Rule 12
Rule 27
Rule 31
Rubi steps \begin{align*} \text {integral}& = \int \frac {c^2}{d+e x} \, dx \\ & = c^2 \int \frac {1}{d+e x} \, dx \\ & = \frac {c^2 \log (d+e x)}{e} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00 \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^5} \, dx=\frac {c^2 \log (d+e x)}{e} \]
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Time = 2.79 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.08
method | result | size |
default | \(\frac {c^{2} \ln \left (e x +d \right )}{e}\) | \(14\) |
norman | \(\frac {c^{2} \ln \left (e x +d \right )}{e}\) | \(14\) |
risch | \(\frac {c^{2} \ln \left (e x +d \right )}{e}\) | \(14\) |
parallelrisch | \(\frac {c^{2} \ln \left (e x +d \right )}{e}\) | \(14\) |
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Time = 0.31 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00 \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^5} \, dx=\frac {c^{2} \log \left (e x + d\right )}{e} \]
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Time = 0.04 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.77 \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^5} \, dx=\frac {c^{2} \log {\left (d + e x \right )}}{e} \]
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none
Time = 0.19 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00 \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^5} \, dx=\frac {c^{2} \log \left (e x + d\right )}{e} \]
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Leaf count of result is larger than twice the leaf count of optimal. 27 vs. \(2 (13) = 26\).
Time = 0.30 (sec) , antiderivative size = 27, normalized size of antiderivative = 2.08 \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^5} \, dx=-\frac {c^{2} \log \left (\frac {{\left | e x + d \right |}}{{\left (e x + d\right )}^{2} {\left | e \right |}}\right )}{e} \]
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Time = 0.03 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00 \[ \int \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^2}{(d+e x)^5} \, dx=\frac {c^2\,\ln \left (d+e\,x\right )}{e} \]
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