Integrand size = 30, antiderivative size = 24 \[ \int \frac {(d+e x)^m}{c d^2+2 c d e x+c e^2 x^2} \, dx=-\frac {(d+e x)^{-1+m}}{c e (1-m)} \]
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Time = 0.01 (sec) , antiderivative size = 24, 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, 32} \[ \int \frac {(d+e x)^m}{c d^2+2 c d e x+c e^2 x^2} \, dx=-\frac {(d+e x)^{m-1}}{c e (1-m)} \]
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Rule 12
Rule 27
Rule 32
Rubi steps \begin{align*} \text {integral}& = \int \frac {(d+e x)^{-2+m}}{c} \, dx \\ & = \frac {\int (d+e x)^{-2+m} \, dx}{c} \\ & = -\frac {(d+e x)^{-1+m}}{c e (1-m)} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.88 \[ \int \frac {(d+e x)^m}{c d^2+2 c d e x+c e^2 x^2} \, dx=\frac {(d+e x)^{-1+m}}{c e (-1+m)} \]
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Time = 2.42 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.92
method | result | size |
gosper | \(\frac {\left (e x +d \right )^{-1+m}}{c e \left (-1+m \right )}\) | \(22\) |
risch | \(\frac {\left (e x +d \right )^{m}}{\left (e x +d \right ) c e \left (-1+m \right )}\) | \(27\) |
parallelrisch | \(\frac {\left (e x +d \right )^{m}}{\left (e x +d \right ) c e \left (-1+m \right )}\) | \(27\) |
norman | \(\frac {{\mathrm e}^{m \ln \left (e x +d \right )}}{c e \left (-1+m \right ) \left (e x +d \right )}\) | \(29\) |
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none
Time = 0.31 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.50 \[ \int \frac {(d+e x)^m}{c d^2+2 c d e x+c e^2 x^2} \, dx=\frac {{\left (e x + d\right )}^{m}}{c d e m - c d e + {\left (c e^{2} m - c e^{2}\right )} x} \]
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Leaf count of result is larger than twice the leaf count of optimal. 56 vs. \(2 (15) = 30\).
Time = 0.35 (sec) , antiderivative size = 56, normalized size of antiderivative = 2.33 \[ \int \frac {(d+e x)^m}{c d^2+2 c d e x+c e^2 x^2} \, dx=\begin {cases} \frac {x}{c d} & \text {for}\: e = 0 \wedge m = 1 \\\frac {d^{m} x}{c d^{2}} & \text {for}\: e = 0 \\\frac {\log {\left (\frac {d}{e} + x \right )}}{c e} & \text {for}\: m = 1 \\\frac {\left (d + e x\right )^{m}}{c d e m - c d e + c e^{2} m x - c e^{2} x} & \text {otherwise} \end {cases} \]
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none
Time = 0.20 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.12 \[ \int \frac {(d+e x)^m}{c d^2+2 c d e x+c e^2 x^2} \, dx=\frac {{\left (e x + d\right )}^{m}}{c e^{2} {\left (m - 1\right )} x + c d e {\left (m - 1\right )}} \]
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\[ \int \frac {(d+e x)^m}{c d^2+2 c d e x+c e^2 x^2} \, dx=\int { \frac {{\left (e x + d\right )}^{m}}{c e^{2} x^{2} + 2 \, c d e x + c d^{2}} \,d x } \]
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Time = 9.71 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.17 \[ \int \frac {(d+e x)^m}{c d^2+2 c d e x+c e^2 x^2} \, dx=\frac {{\left (d+e\,x\right )}^m}{c\,e^2\,\left (x+\frac {d}{e}\right )\,\left (m-1\right )} \]
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