Integrand size = 17, antiderivative size = 32 \[ \int \frac {a+b x}{(a c-b c x)^2} \, dx=\frac {2 a}{b c^2 (a-b x)}+\frac {\log (a-b x)}{b c^2} \]
[Out]
Time = 0.01 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.059, Rules used = {45} \[ \int \frac {a+b x}{(a c-b c x)^2} \, dx=\frac {2 a}{b c^2 (a-b x)}+\frac {\log (a-b x)}{b c^2} \]
[In]
[Out]
Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {2 a}{c^2 (a-b x)^2}-\frac {1}{c^2 (a-b x)}\right ) \, dx \\ & = \frac {2 a}{b c^2 (a-b x)}+\frac {\log (a-b x)}{b c^2} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.88 \[ \int \frac {a+b x}{(a c-b c x)^2} \, dx=\frac {\frac {2 a}{a-b x}+\log (c (a-b x))}{b c^2} \]
[In]
[Out]
Time = 0.15 (sec) , antiderivative size = 31, normalized size of antiderivative = 0.97
method | result | size |
default | \(\frac {\frac {\ln \left (-b x +a \right )}{b}+\frac {2 a}{b \left (-b x +a \right )}}{c^{2}}\) | \(31\) |
norman | \(\frac {2 a}{b \,c^{2} \left (-b x +a \right )}+\frac {\ln \left (-b x +a \right )}{b \,c^{2}}\) | \(33\) |
risch | \(\frac {2 a}{b \,c^{2} \left (-b x +a \right )}+\frac {\ln \left (-b x +a \right )}{b \,c^{2}}\) | \(33\) |
parallelrisch | \(\frac {\ln \left (b x -a \right ) x b -a \ln \left (b x -a \right )-2 a}{b \,c^{2} \left (b x -a \right )}\) | \(43\) |
[In]
[Out]
none
Time = 0.22 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.22 \[ \int \frac {a+b x}{(a c-b c x)^2} \, dx=\frac {{\left (b x - a\right )} \log \left (b x - a\right ) - 2 \, a}{b^{2} c^{2} x - a b c^{2}} \]
[In]
[Out]
Time = 0.09 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.91 \[ \int \frac {a+b x}{(a c-b c x)^2} \, dx=- \frac {2 a}{- a b c^{2} + b^{2} c^{2} x} + \frac {\log {\left (- a + b x \right )}}{b c^{2}} \]
[In]
[Out]
none
Time = 0.22 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.16 \[ \int \frac {a+b x}{(a c-b c x)^2} \, dx=-\frac {2 \, a}{b^{2} c^{2} x - a b c^{2}} + \frac {\log \left (b x - a\right )}{b c^{2}} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 81 vs. \(2 (33) = 66\).
Time = 0.31 (sec) , antiderivative size = 81, normalized size of antiderivative = 2.53 \[ \int \frac {a+b x}{(a c-b c x)^2} \, dx=-\frac {\frac {a}{{\left (b c x - a c\right )} b} + \frac {\log \left (\frac {{\left | b c x - a c \right |}}{{\left (b c x - a c\right )}^{2} {\left | b \right |} {\left | c \right |}}\right )}{b c}}{c} - \frac {a}{{\left (b c x - a c\right )} b c} \]
[In]
[Out]
Time = 0.05 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.16 \[ \int \frac {a+b x}{(a c-b c x)^2} \, dx=\frac {\ln \left (b\,x-a\right )}{b\,c^2}+\frac {2\,a}{b\,\left (a\,c^2-b\,c^2\,x\right )} \]
[In]
[Out]