Integrand size = 20, antiderivative size = 13 \[ \int \frac {\left (\frac {b c}{d}+b x\right )^2}{(c+d x)^3} \, dx=\frac {b^2 \log (c+d x)}{d^3} \]
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Time = 0.00 (sec) , antiderivative size = 13, 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, 31} \[ \int \frac {\left (\frac {b c}{d}+b x\right )^2}{(c+d x)^3} \, dx=\frac {b^2 \log (c+d x)}{d^3} \]
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Rule 21
Rule 31
Rubi steps \begin{align*} \text {integral}& = \frac {b^2 \int \frac {1}{c+d x} \, dx}{d^2} \\ & = \frac {b^2 \log (c+d x)}{d^3} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00 \[ \int \frac {\left (\frac {b c}{d}+b x\right )^2}{(c+d x)^3} \, dx=\frac {b^2 \log (c+d x)}{d^3} \]
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Time = 0.15 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.08
method | result | size |
default | \(\frac {b^{2} \ln \left (d x +c \right )}{d^{3}}\) | \(14\) |
norman | \(\frac {b^{2} \ln \left (d x +c \right )}{d^{3}}\) | \(14\) |
risch | \(\frac {b^{2} \ln \left (d x +c \right )}{d^{3}}\) | \(14\) |
parallelrisch | \(\frac {b^{2} \ln \left (d x +c \right )}{d^{3}}\) | \(14\) |
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Time = 0.22 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00 \[ \int \frac {\left (\frac {b c}{d}+b x\right )^2}{(c+d x)^3} \, dx=\frac {b^{2} \log \left (d x + c\right )}{d^{3}} \]
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Time = 0.09 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.31 \[ \int \frac {\left (\frac {b c}{d}+b x\right )^2}{(c+d x)^3} \, dx=\frac {b^{2} \log {\left (c d^{2} + d^{3} x \right )}}{d^{3}} \]
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Time = 0.23 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00 \[ \int \frac {\left (\frac {b c}{d}+b x\right )^2}{(c+d x)^3} \, dx=\frac {b^{2} \log \left (d x + c\right )}{d^{3}} \]
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Time = 0.31 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.08 \[ \int \frac {\left (\frac {b c}{d}+b x\right )^2}{(c+d x)^3} \, dx=\frac {b^{2} \log \left ({\left | d x + c \right |}\right )}{d^{3}} \]
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Time = 0.18 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00 \[ \int \frac {\left (\frac {b c}{d}+b x\right )^2}{(c+d x)^3} \, dx=\frac {b^2\,\ln \left (c+d\,x\right )}{d^3} \]
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