Optimal. Leaf size=82 \[ \frac {i \left (a+b \cos ^{-1}(c x)\right )^2}{2 b c^2 d}-\frac {\log \left (1-e^{2 i \cos ^{-1}(c x)}\right ) \left (a+b \cos ^{-1}(c x)\right )}{c^2 d}+\frac {i b \text {Li}_2\left (e^{2 i \cos ^{-1}(c x)}\right )}{2 c^2 d} \]
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Rubi [A] time = 0.11, antiderivative size = 82, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, integrand size = 23, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.217, Rules used = {4676, 3717, 2190, 2279, 2391} \[ \frac {i b \text {PolyLog}\left (2,e^{2 i \cos ^{-1}(c x)}\right )}{2 c^2 d}+\frac {i \left (a+b \cos ^{-1}(c x)\right )^2}{2 b c^2 d}-\frac {\log \left (1-e^{2 i \cos ^{-1}(c x)}\right ) \left (a+b \cos ^{-1}(c x)\right )}{c^2 d} \]
Antiderivative was successfully verified.
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Rule 2190
Rule 2279
Rule 2391
Rule 3717
Rule 4676
Rubi steps
\begin {align*} \int \frac {x \left (a+b \cos ^{-1}(c x)\right )}{d-c^2 d x^2} \, dx &=-\frac {\operatorname {Subst}\left (\int (a+b x) \cot (x) \, dx,x,\cos ^{-1}(c x)\right )}{c^2 d}\\ &=\frac {i \left (a+b \cos ^{-1}(c x)\right )^2}{2 b c^2 d}+\frac {(2 i) \operatorname {Subst}\left (\int \frac {e^{2 i x} (a+b x)}{1-e^{2 i x}} \, dx,x,\cos ^{-1}(c x)\right )}{c^2 d}\\ &=\frac {i \left (a+b \cos ^{-1}(c x)\right )^2}{2 b c^2 d}-\frac {\left (a+b \cos ^{-1}(c x)\right ) \log \left (1-e^{2 i \cos ^{-1}(c x)}\right )}{c^2 d}+\frac {b \operatorname {Subst}\left (\int \log \left (1-e^{2 i x}\right ) \, dx,x,\cos ^{-1}(c x)\right )}{c^2 d}\\ &=\frac {i \left (a+b \cos ^{-1}(c x)\right )^2}{2 b c^2 d}-\frac {\left (a+b \cos ^{-1}(c x)\right ) \log \left (1-e^{2 i \cos ^{-1}(c x)}\right )}{c^2 d}-\frac {(i b) \operatorname {Subst}\left (\int \frac {\log (1-x)}{x} \, dx,x,e^{2 i \cos ^{-1}(c x)}\right )}{2 c^2 d}\\ &=\frac {i \left (a+b \cos ^{-1}(c x)\right )^2}{2 b c^2 d}-\frac {\left (a+b \cos ^{-1}(c x)\right ) \log \left (1-e^{2 i \cos ^{-1}(c x)}\right )}{c^2 d}+\frac {i b \text {Li}_2\left (e^{2 i \cos ^{-1}(c x)}\right )}{2 c^2 d}\\ \end {align*}
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Mathematica [A] time = 0.11, size = 115, normalized size = 1.40 \[ \frac {i \left (i a \log \left (1-c^2 x^2\right )+2 b \text {Li}_2\left (-e^{i \cos ^{-1}(c x)}\right )+2 b \text {Li}_2\left (e^{i \cos ^{-1}(c x)}\right )+b \cos ^{-1}(c x)^2+2 i b \cos ^{-1}(c x) \log \left (1-e^{i \cos ^{-1}(c x)}\right )+2 i b \cos ^{-1}(c x) \log \left (1+e^{i \cos ^{-1}(c x)}\right )\right )}{2 c^2 d} \]
Warning: Unable to verify antiderivative.
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fricas [F] time = 0.45, size = 0, normalized size = 0.00 \[ {\rm integral}\left (-\frac {b x \arccos \left (c x\right ) + a x}{c^{2} d x^{2} - d}, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int -\frac {{\left (b \arccos \left (c x\right ) + a\right )} x}{c^{2} d x^{2} - d}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.12, size = 180, normalized size = 2.20 \[ -\frac {a \ln \left (c x -1\right )}{2 c^{2} d}-\frac {a \ln \left (c x +1\right )}{2 c^{2} d}+\frac {i b \arccos \left (c x \right )^{2}}{2 c^{2} d}-\frac {b \arccos \left (c x \right ) \ln \left (1+c x +i \sqrt {-c^{2} x^{2}+1}\right )}{c^{2} d}-\frac {b \arccos \left (c x \right ) \ln \left (1-c x -i \sqrt {-c^{2} x^{2}+1}\right )}{c^{2} d}+\frac {i b \polylog \left (2, -c x -i \sqrt {-c^{2} x^{2}+1}\right )}{c^{2} d}+\frac {i b \polylog \left (2, c x +i \sqrt {-c^{2} x^{2}+1}\right )}{c^{2} d} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \frac {{\left (c^{2} d \int \frac {e^{\left (\frac {1}{2} \, \log \left (c x + 1\right ) + \frac {1}{2} \, \log \left (-c x + 1\right )\right )} \log \left (c x + 1\right ) + e^{\left (\frac {1}{2} \, \log \left (c x + 1\right ) + \frac {1}{2} \, \log \left (-c x + 1\right )\right )} \log \left (-c x + 1\right )}{c^{5} d x^{4} - c^{3} d x^{2} - {\left (c^{3} d x^{2} - c d\right )} {\left (c x + 1\right )} {\left (c x - 1\right )}}\,{d x} - {\left (\log \left (c x + 1\right ) + \log \left (-c x + 1\right )\right )} \arctan \left (\sqrt {c x + 1} \sqrt {-c x + 1}, c x\right )\right )} b}{2 \, c^{2} d} - \frac {a \log \left (c^{2} d x^{2} - d\right )}{2 \, c^{2} d} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {x\,\left (a+b\,\mathrm {acos}\left (c\,x\right )\right )}{d-c^2\,d\,x^2} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ - \frac {\int \frac {a x}{c^{2} x^{2} - 1}\, dx + \int \frac {b x \operatorname {acos}{\left (c x \right )}}{c^{2} x^{2} - 1}\, dx}{d} \]
Verification of antiderivative is not currently implemented for this CAS.
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