Integrand size = 13, antiderivative size = 31 \[ \int \frac {a+b x}{(c+d x)^2} \, dx=\frac {b c-a d}{d^2 (c+d x)}+\frac {b \log (c+d x)}{d^2} \]
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Time = 0.02 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {45} \[ \int \frac {a+b x}{(c+d x)^2} \, dx=\frac {b c-a d}{d^2 (c+d x)}+\frac {b \log (c+d x)}{d^2} \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {-b c+a d}{d (c+d x)^2}+\frac {b}{d (c+d x)}\right ) \, dx \\ & = \frac {b c-a d}{d^2 (c+d x)}+\frac {b \log (c+d x)}{d^2} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.00 \[ \int \frac {a+b x}{(c+d x)^2} \, dx=\frac {b c-a d}{d^2 (c+d x)}+\frac {b \log (c+d x)}{d^2} \]
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Time = 0.22 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.06
method | result | size |
default | \(\frac {b \ln \left (d x +c \right )}{d^{2}}-\frac {a d -b c}{d^{2} \left (d x +c \right )}\) | \(33\) |
norman | \(\frac {b \ln \left (d x +c \right )}{d^{2}}-\frac {a d -b c}{d^{2} \left (d x +c \right )}\) | \(33\) |
risch | \(\frac {b \ln \left (d x +c \right )}{d^{2}}-\frac {a}{d \left (d x +c \right )}+\frac {b c}{d^{2} \left (d x +c \right )}\) | \(39\) |
parallelrisch | \(\frac {\ln \left (d x +c \right ) x b d +\ln \left (d x +c \right ) b c -a d +b c}{\left (d x +c \right ) d^{2}}\) | \(39\) |
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Time = 0.22 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.19 \[ \int \frac {a+b x}{(c+d x)^2} \, dx=\frac {b c - a d + {\left (b d x + b c\right )} \log \left (d x + c\right )}{d^{3} x + c d^{2}} \]
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Time = 0.11 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.87 \[ \int \frac {a+b x}{(c+d x)^2} \, dx=\frac {b \log {\left (c + d x \right )}}{d^{2}} + \frac {- a d + b c}{c d^{2} + d^{3} x} \]
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Time = 0.22 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.10 \[ \int \frac {a+b x}{(c+d x)^2} \, dx=\frac {b c - a d}{d^{3} x + c d^{2}} + \frac {b \log \left (d x + c\right )}{d^{2}} \]
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Time = 0.29 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.84 \[ \int \frac {a+b x}{(c+d x)^2} \, dx=-\frac {b {\left (\frac {\log \left (\frac {{\left | d x + c \right |}}{{\left (d x + c\right )}^{2} {\left | d \right |}}\right )}{d} - \frac {c}{{\left (d x + c\right )} d}\right )}}{d} - \frac {a}{{\left (d x + c\right )} d} \]
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Time = 0.08 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.03 \[ \int \frac {a+b x}{(c+d x)^2} \, dx=\frac {b\,\ln \left (c+d\,x\right )}{d^2}-\frac {a\,d-b\,c}{d^2\,\left (c+d\,x\right )} \]
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