Optimal. Leaf size=36 \[ \frac {\text {li}(c (d+e x))}{c e}-\frac {d+e x}{e \log (c (d+e x))} \]
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Rubi [A] time = 0.02, antiderivative size = 36, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.300, Rules used = {2389, 2297, 2298} \[ \frac {\text {li}(c (d+e x))}{c e}-\frac {d+e x}{e \log (c (d+e x))} \]
Antiderivative was successfully verified.
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Rule 2297
Rule 2298
Rule 2389
Rubi steps
\begin {align*} \int \frac {1}{\log ^2(c (d+e x))} \, dx &=\frac {\operatorname {Subst}\left (\int \frac {1}{\log ^2(c x)} \, dx,x,d+e x\right )}{e}\\ &=-\frac {d+e x}{e \log (c (d+e x))}+\frac {\operatorname {Subst}\left (\int \frac {1}{\log (c x)} \, dx,x,d+e x\right )}{e}\\ &=-\frac {d+e x}{e \log (c (d+e x))}+\frac {\text {li}(c (d+e x))}{c e}\\ \end {align*}
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Mathematica [A] time = 0.01, size = 36, normalized size = 1.00 \[ \frac {\text {li}(c (d+e x))}{c e}-\frac {d+e x}{e \log (c (d+e x))} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.50, size = 47, normalized size = 1.31 \[ -\frac {c e x + c d - \log \left (c e x + c d\right ) \operatorname {log\_integral}\left (c e x + c d\right )}{c e \log \left (c e x + c d\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.18, size = 38, normalized size = 1.06 \[ \frac {{\rm Ei}\left (\log \left ({\left (x e + d\right )} c\right )\right ) e^{\left (-1\right )}}{c} - \frac {{\left (x e + d\right )} e^{\left (-1\right )}}{\log \left ({\left (x e + d\right )} c\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.05, size = 54, normalized size = 1.50 \[ -\frac {x}{\ln \left (c e x +c d \right )}-\frac {\Ei \left (1, -\ln \left (c e x +c d \right )\right )}{c e}-\frac {d}{e \ln \left (c e x +c d \right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.98, size = 20, normalized size = 0.56 \[ \frac {\Gamma \left (-1, -\log \left (c e x + c d\right )\right )}{c e} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.23, size = 36, normalized size = 1.00 \[ \frac {\mathrm {logint}\left (c\,\left (d+e\,x\right )\right )}{c\,e}-\frac {d+e\,x}{e\,\ln \left (c\,\left (d+e\,x\right )\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.80, size = 29, normalized size = 0.81 \[ \frac {- d - e x}{e \log {\left (c \left (d + e x\right ) \right )}} + \frac {\operatorname {li}{\left (c d + c e x \right )}}{c e} \]
Verification of antiderivative is not currently implemented for this CAS.
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