Optimal. Leaf size=37 \[ \frac {\text {Li}_2\left (1-\frac {a (1-c)+b (c+1) x}{a+b x}\right )}{2 a b} \]
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Rubi [A] time = 0.03, antiderivative size = 37, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, integrand size = 38, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.026, Rules used = {2447} \[ \frac {\text {PolyLog}\left (2,1-\frac {a (1-c)+b (c+1) x}{a+b x}\right )}{2 a b} \]
Antiderivative was successfully verified.
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Rule 2447
Rubi steps
\begin {align*} \int \frac {\log \left (\frac {a (1-c)+b (1+c) x}{a+b x}\right )}{a^2-b^2 x^2} \, dx &=\frac {\text {Li}_2\left (1-\frac {a (1-c)+b (1+c) x}{a+b x}\right )}{2 a b}\\ \end {align*}
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Mathematica [B] time = 0.20, size = 252, normalized size = 6.81 \[ \frac {2 \text {Li}_2\left (\frac {(c+1) (a-b x)}{2 a}\right )-2 \text {Li}_2\left (\frac {(c+1) (a+b x)}{2 a c}\right )+\log ^2\left (\frac {2 a c}{(c+1) (a+b x)}\right )+2 \log \left (-\frac {a (-c)+a+b (c+1) x}{2 a c}\right ) \log \left (\frac {2 a c}{(c+1) (a+b x)}\right )-2 \log \left (\frac {a (-c)+a+b (c+1) x}{a+b x}\right ) \log \left (\frac {2 a c}{(c+1) (a+b x)}\right )+2 \log (a-b x) \log \left (\frac {a (-c)+a+b (c+1) x}{2 a}\right )-2 \log (a-b x) \log \left (\frac {a (-c)+a+b (c+1) x}{a+b x}\right )-2 \text {Li}_2\left (\frac {a-b x}{2 a}\right )-2 \log (a-b x) \log \left (\frac {a+b x}{2 a}\right )}{4 a b} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.43, size = 34, normalized size = 0.92 \[ \frac {{\rm Li}_2\left (\frac {a c - {\left (b c + b\right )} x - a}{b x + a} + 1\right )}{2 \, a b} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.06, size = 24, normalized size = 0.65 \[ \frac {\dilog \left (-\frac {2 a c}{b x +a}+c +1\right )}{2 a b} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [B] time = 0.50, size = 246, normalized size = 6.65 \[ \frac {1}{2} \, {\left (\frac {\log \left (b x + a\right )}{a b} - \frac {\log \left (b x - a\right )}{a b}\right )} \log \left (\frac {b {\left (c + 1\right )} x - a {\left (c - 1\right )}}{b x + a}\right ) + \frac {\log \left (b x + a\right )^{2} - 2 \, \log \left (b x + a\right ) \log \left (b x - a\right )}{4 \, a b} + \frac {\log \left (b x - a\right ) \log \left (\frac {b {\left (c + 1\right )} x - a {\left (c + 1\right )}}{2 \, a} + 1\right ) + {\rm Li}_2\left (-\frac {b {\left (c + 1\right )} x - a {\left (c + 1\right )}}{2 \, a}\right )}{2 \, a b} + \frac {\log \left (b x + a\right ) \log \left (-\frac {b x + a}{2 \, a} + 1\right ) + {\rm Li}_2\left (\frac {b x + a}{2 \, a}\right )}{2 \, a b} - \frac {\log \left (b x + a\right ) \log \left (-\frac {b {\left (c + 1\right )} x + a {\left (c + 1\right )}}{2 \, a c} + 1\right ) + {\rm Li}_2\left (\frac {b {\left (c + 1\right )} x + a {\left (c + 1\right )}}{2 \, a c}\right )}{2 \, a b} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.03 \[ \int \frac {\ln \left (-\frac {a\,\left (c-1\right )-b\,x\,\left (c+1\right )}{a+b\,x}\right )}{a^2-b^2\,x^2} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
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