Integrand size = 12, antiderivative size = 50 \[ \int \sqrt {\log (c (d+e x))} \, dx=-\frac {\sqrt {\pi } \text {erfi}\left (\sqrt {\log (c (d+e x))}\right )}{2 c e}+\frac {(d+e x) \sqrt {\log (c (d+e x))}}{e} \]
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Time = 0.02 (sec) , antiderivative size = 50, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.417, Rules used = {2436, 2333, 2336, 2211, 2235} \[ \int \sqrt {\log (c (d+e x))} \, dx=\frac {(d+e x) \sqrt {\log (c (d+e x))}}{e}-\frac {\sqrt {\pi } \text {erfi}\left (\sqrt {\log (c (d+e x))}\right )}{2 c e} \]
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Rule 2211
Rule 2235
Rule 2333
Rule 2336
Rule 2436
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \sqrt {\log (c x)} \, dx,x,d+e x\right )}{e} \\ & = \frac {(d+e x) \sqrt {\log (c (d+e x))}}{e}-\frac {\text {Subst}\left (\int \frac {1}{\sqrt {\log (c x)}} \, dx,x,d+e x\right )}{2 e} \\ & = \frac {(d+e x) \sqrt {\log (c (d+e x))}}{e}-\frac {\text {Subst}\left (\int \frac {e^x}{\sqrt {x}} \, dx,x,\log (c (d+e x))\right )}{2 c e} \\ & = \frac {(d+e x) \sqrt {\log (c (d+e x))}}{e}-\frac {\text {Subst}\left (\int e^{x^2} \, dx,x,\sqrt {\log (c (d+e x))}\right )}{c e} \\ & = -\frac {\sqrt {\pi } \text {erfi}\left (\sqrt {\log (c (d+e x))}\right )}{2 c e}+\frac {(d+e x) \sqrt {\log (c (d+e x))}}{e} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 50, normalized size of antiderivative = 1.00 \[ \int \sqrt {\log (c (d+e x))} \, dx=-\frac {\sqrt {\pi } \text {erfi}\left (\sqrt {\log (c (d+e x))}\right )}{2 c e}+\frac {(d+e x) \sqrt {\log (c (d+e x))}}{e} \]
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\[\int \sqrt {\ln \left (c \left (e x +d \right )\right )}d x\]
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Exception generated. \[ \int \sqrt {\log (c (d+e x))} \, dx=\text {Exception raised: TypeError} \]
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Leaf count of result is larger than twice the leaf count of optimal. 90 vs. \(2 (41) = 82\).
Time = 0.90 (sec) , antiderivative size = 90, normalized size of antiderivative = 1.80 \[ \int \sqrt {\log (c (d+e x))} \, dx=\begin {cases} \tilde {\infty } x & \text {for}\: c = 0 \\x \sqrt {\log {\left (c d \right )}} & \text {for}\: e = 0 \\\frac {\left (\sqrt {- \log {\left (c d + c e x \right )}} \left (c d + c e x\right ) + \frac {\sqrt {\pi } \operatorname {erfc}{\left (\sqrt {- \log {\left (c d + c e x \right )}} \right )}}{2}\right ) \sqrt {\log {\left (c d + c e x \right )}}}{c e \sqrt {- \log {\left (c d + c e x \right )}}} & \text {otherwise} \end {cases} \]
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Result contains complex when optimal does not.
Time = 0.19 (sec) , antiderivative size = 49, normalized size of antiderivative = 0.98 \[ \int \sqrt {\log (c (d+e x))} \, dx=-\frac {-i \, \sqrt {\pi } \operatorname {erf}\left (i \, \sqrt {\log \left (c e x + c d\right )}\right ) - 2 \, {\left (c e x + c d\right )} \sqrt {\log \left (c e x + c d\right )}}{2 \, c e} \]
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Result contains complex when optimal does not.
Time = 0.31 (sec) , antiderivative size = 52, normalized size of antiderivative = 1.04 \[ \int \sqrt {\log (c (d+e x))} \, dx=-\frac {i \, \sqrt {\pi } \operatorname {erf}\left (-i \, \sqrt {\log \left (c e x + c d\right )}\right )}{2 \, c e} + \frac {{\left (c e x + c d\right )} \sqrt {\log \left (c e x + c d\right )}}{c e} \]
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Time = 1.28 (sec) , antiderivative size = 46, normalized size of antiderivative = 0.92 \[ \int \sqrt {\log (c (d+e x))} \, dx=\frac {\sqrt {\ln \left (c\,\left (d+e\,x\right )\right )}\,\left (d+e\,x\right )}{e}+\frac {\sqrt {\pi }\,\mathrm {erf}\left (\sqrt {\ln \left (c\,\left (d+e\,x\right )\right )}\,1{}\mathrm {i}\right )\,1{}\mathrm {i}}{2\,c\,e} \]
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