Integrand size = 18, antiderivative size = 63 \[ \int \frac {(a+b x) (A+B x)}{(d+e x)^2} \, dx=\frac {b B x}{e^2}-\frac {(b d-a e) (B d-A e)}{e^3 (d+e x)}-\frac {(2 b B d-A b e-a B e) \log (d+e x)}{e^3} \]
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Time = 0.04 (sec) , antiderivative size = 63, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.056, Rules used = {78} \[ \int \frac {(a+b x) (A+B x)}{(d+e x)^2} \, dx=-\frac {(b d-a e) (B d-A e)}{e^3 (d+e x)}-\frac {\log (d+e x) (-a B e-A b e+2 b B d)}{e^3}+\frac {b B x}{e^2} \]
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Rule 78
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {b B}{e^2}+\frac {(-b d+a e) (-B d+A e)}{e^2 (d+e x)^2}+\frac {-2 b B d+A b e+a B e}{e^2 (d+e x)}\right ) \, dx \\ & = \frac {b B x}{e^2}-\frac {(b d-a e) (B d-A e)}{e^3 (d+e x)}-\frac {(2 b B d-A b e-a B e) \log (d+e x)}{e^3} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 56, normalized size of antiderivative = 0.89 \[ \int \frac {(a+b x) (A+B x)}{(d+e x)^2} \, dx=\frac {b B e x-\frac {(b d-a e) (B d-A e)}{d+e x}+(-2 b B d+A b e+a B e) \log (d+e x)}{e^3} \]
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Time = 2.01 (sec) , antiderivative size = 70, normalized size of antiderivative = 1.11
method | result | size |
default | \(\frac {b B x}{e^{2}}-\frac {A a \,e^{2}-A b d e -B a d e +b B \,d^{2}}{e^{3} \left (e x +d \right )}+\frac {\left (A b e +B a e -2 B b d \right ) \ln \left (e x +d \right )}{e^{3}}\) | \(70\) |
norman | \(\frac {\frac {b B \,x^{2}}{e}-\frac {A a \,e^{2}-A b d e -B a d e +2 b B \,d^{2}}{e^{3}}}{e x +d}+\frac {\left (A b e +B a e -2 B b d \right ) \ln \left (e x +d \right )}{e^{3}}\) | \(75\) |
risch | \(\frac {b B x}{e^{2}}-\frac {A a}{e \left (e x +d \right )}+\frac {A b d}{e^{2} \left (e x +d \right )}+\frac {B a d}{e^{2} \left (e x +d \right )}-\frac {b B \,d^{2}}{e^{3} \left (e x +d \right )}+\frac {\ln \left (e x +d \right ) A b}{e^{2}}+\frac {\ln \left (e x +d \right ) B a}{e^{2}}-\frac {2 \ln \left (e x +d \right ) B b d}{e^{3}}\) | \(106\) |
parallelrisch | \(\frac {A \ln \left (e x +d \right ) x b \,e^{2}+B \ln \left (e x +d \right ) x a \,e^{2}-2 B \ln \left (e x +d \right ) x b d e +b B \,x^{2} e^{2}+A \ln \left (e x +d \right ) b d e +B \ln \left (e x +d \right ) a d e -2 B \ln \left (e x +d \right ) b \,d^{2}-A a \,e^{2}+A b d e +B a d e -2 b B \,d^{2}}{e^{3} \left (e x +d \right )}\) | \(120\) |
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none
Time = 0.23 (sec) , antiderivative size = 102, normalized size of antiderivative = 1.62 \[ \int \frac {(a+b x) (A+B x)}{(d+e x)^2} \, dx=\frac {B b e^{2} x^{2} + B b d e x - B b d^{2} - A a e^{2} + {\left (B a + A b\right )} d e - {\left (2 \, B b d^{2} - {\left (B a + A b\right )} d e + {\left (2 \, B b d e - {\left (B a + A b\right )} e^{2}\right )} x\right )} \log \left (e x + d\right )}{e^{4} x + d e^{3}} \]
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Time = 0.25 (sec) , antiderivative size = 71, normalized size of antiderivative = 1.13 \[ \int \frac {(a+b x) (A+B x)}{(d+e x)^2} \, dx=\frac {B b x}{e^{2}} + \frac {- A a e^{2} + A b d e + B a d e - B b d^{2}}{d e^{3} + e^{4} x} + \frac {\left (A b e + B a e - 2 B b d\right ) \log {\left (d + e x \right )}}{e^{3}} \]
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Time = 0.22 (sec) , antiderivative size = 74, normalized size of antiderivative = 1.17 \[ \int \frac {(a+b x) (A+B x)}{(d+e x)^2} \, dx=\frac {B b x}{e^{2}} - \frac {B b d^{2} + A a e^{2} - {\left (B a + A b\right )} d e}{e^{4} x + d e^{3}} - \frac {{\left (2 \, B b d - {\left (B a + A b\right )} e\right )} \log \left (e x + d\right )}{e^{3}} \]
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Time = 0.32 (sec) , antiderivative size = 114, normalized size of antiderivative = 1.81 \[ \int \frac {(a+b x) (A+B x)}{(d+e x)^2} \, dx=\frac {{\left (e x + d\right )} B b}{e^{3}} + \frac {{\left (2 \, B b d - B a e - A b e\right )} \log \left (\frac {{\left | e x + d \right |}}{{\left (e x + d\right )}^{2} {\left | e \right |}}\right )}{e^{3}} - \frac {\frac {B b d^{2} e}{e x + d} - \frac {B a d e^{2}}{e x + d} - \frac {A b d e^{2}}{e x + d} + \frac {A a e^{3}}{e x + d}}{e^{4}} \]
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Time = 1.39 (sec) , antiderivative size = 75, normalized size of antiderivative = 1.19 \[ \int \frac {(a+b x) (A+B x)}{(d+e x)^2} \, dx=\frac {\ln \left (d+e\,x\right )\,\left (A\,b\,e+B\,a\,e-2\,B\,b\,d\right )}{e^3}-\frac {A\,a\,e^2+B\,b\,d^2-A\,b\,d\,e-B\,a\,d\,e}{e\,\left (x\,e^3+d\,e^2\right )}+\frac {B\,b\,x}{e^2} \]
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