Integrand size = 38, antiderivative size = 37 \[ \int \frac {a+b \log \left (\frac {\sqrt {1-c x}}{\sqrt {1+c x}}\right )}{1-c^2 x^2} \, dx=-\frac {\left (a+b \log \left (\frac {\sqrt {1-c x}}{\sqrt {1+c x}}\right )\right )^2}{2 b c} \]
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Time = 0.04 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.105, Rules used = {2573, 2576, 12, 2338} \[ \int \frac {a+b \log \left (\frac {\sqrt {1-c x}}{\sqrt {1+c x}}\right )}{1-c^2 x^2} \, dx=-\frac {\left (a+b \log \left (\frac {\sqrt {1-c x}}{\sqrt {c x+1}}\right )\right )^2}{2 b c} \]
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Rule 12
Rule 2338
Rule 2573
Rule 2576
Rubi steps \begin{align*} \text {integral}& = \text {Subst}\left (\int \frac {a+b \log \left (\sqrt {\frac {1-c x}{1+c x}}\right )}{1-c^2 x^2} \, dx,\sqrt {\frac {1-c x}{1+c x}},\frac {\sqrt {1-c x}}{\sqrt {1+c x}}\right ) \\ & = -\text {Subst}\left ((2 c) \text {Subst}\left (\int \frac {a+b \log \left (\sqrt {x}\right )}{4 c^2 x} \, dx,x,\frac {1-c x}{1+c x}\right ),\sqrt {\frac {1-c x}{1+c x}},\frac {\sqrt {1-c x}}{\sqrt {1+c x}}\right ) \\ & = -\text {Subst}\left (\frac {\text {Subst}\left (\int \frac {a+b \log \left (\sqrt {x}\right )}{x} \, dx,x,\frac {1-c x}{1+c x}\right )}{2 c},\sqrt {\frac {1-c x}{1+c x}},\frac {\sqrt {1-c x}}{\sqrt {1+c x}}\right ) \\ & = -\frac {\left (a+b \log \left (\frac {\sqrt {1-c x}}{\sqrt {1+c x}}\right )\right )^2}{2 b c} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.00 \[ \int \frac {a+b \log \left (\frac {\sqrt {1-c x}}{\sqrt {1+c x}}\right )}{1-c^2 x^2} \, dx=-\frac {\left (a+b \log \left (\frac {\sqrt {1-c x}}{\sqrt {1+c x}}\right )\right )^2}{2 b c} \]
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\[\int \frac {a +b \ln \left (\frac {\sqrt {-x c +1}}{\sqrt {x c +1}}\right )}{-x^{2} c^{2}+1}d x\]
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none
Time = 0.30 (sec) , antiderivative size = 47, normalized size of antiderivative = 1.27 \[ \int \frac {a+b \log \left (\frac {\sqrt {1-c x}}{\sqrt {1+c x}}\right )}{1-c^2 x^2} \, dx=-\frac {b \log \left (\frac {\sqrt {-c x + 1}}{\sqrt {c x + 1}}\right )^{2} + 2 \, a \log \left (\frac {\sqrt {-c x + 1}}{\sqrt {c x + 1}}\right )}{2 \, c} \]
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Leaf count of result is larger than twice the leaf count of optimal. 61 vs. \(2 (29) = 58\).
Time = 3.01 (sec) , antiderivative size = 61, normalized size of antiderivative = 1.65 \[ \int \frac {a+b \log \left (\frac {\sqrt {1-c x}}{\sqrt {1+c x}}\right )}{1-c^2 x^2} \, dx=\begin {cases} - \frac {a \operatorname {atan}{\left (\frac {x}{\sqrt {- \frac {1}{c^{2}}}} \right )}}{c^{2} \sqrt {- \frac {1}{c^{2}}}} & \text {for}\: b = 0 \\a x & \text {for}\: c = 0 \\- \frac {\left (a + b \log {\left (\frac {\sqrt {- c x + 1}}{\sqrt {c x + 1}} \right )}\right )^{2}}{2 b c} & \text {otherwise} \end {cases} \]
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Leaf count of result is larger than twice the leaf count of optimal. 105 vs. \(2 (31) = 62\).
Time = 0.20 (sec) , antiderivative size = 105, normalized size of antiderivative = 2.84 \[ \int \frac {a+b \log \left (\frac {\sqrt {1-c x}}{\sqrt {1+c x}}\right )}{1-c^2 x^2} \, dx=\frac {1}{2} \, b {\left (\frac {\log \left (c x + 1\right )}{c} - \frac {\log \left (c x - 1\right )}{c}\right )} \log \left (\frac {\sqrt {-c x + 1}}{\sqrt {c x + 1}}\right ) + \frac {1}{2} \, a {\left (\frac {\log \left (c x + 1\right )}{c} - \frac {\log \left (c x - 1\right )}{c}\right )} + \frac {{\left (\log \left (c x + 1\right )^{2} - 2 \, \log \left (c x + 1\right ) \log \left (c x - 1\right ) + \log \left (c x - 1\right )^{2}\right )} b}{8 \, c} \]
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Leaf count of result is larger than twice the leaf count of optimal. 86 vs. \(2 (31) = 62\).
Time = 0.32 (sec) , antiderivative size = 86, normalized size of antiderivative = 2.32 \[ \int \frac {a+b \log \left (\frac {\sqrt {1-c x}}{\sqrt {1+c x}}\right )}{1-c^2 x^2} \, dx=-\frac {b \log \left (c x + 1\right )^{2}}{8 \, c} + \frac {b \log \left (c x - 1\right )^{2}}{8 \, c} + \frac {1}{4} \, {\left (\frac {b \log \left (c x + 1\right )}{c} - \frac {b \log \left (c x - 1\right )}{c}\right )} \log \left (-c x + 1\right ) + \frac {a \log \left (c x + 1\right )}{2 \, c} - \frac {a \log \left (c x - 1\right )}{2 \, c} \]
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Timed out. \[ \int \frac {a+b \log \left (\frac {\sqrt {1-c x}}{\sqrt {1+c x}}\right )}{1-c^2 x^2} \, dx=\int -\frac {a+b\,\ln \left (\frac {\sqrt {1-c\,x}}{\sqrt {c\,x+1}}\right )}{c^2\,x^2-1} \,d x \]
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