Integrand size = 13, antiderivative size = 54 \[ \int \frac {F^{a+b x}}{x^{3/2}} \, dx=-\frac {2 F^{a+b x}}{\sqrt {x}}+2 \sqrt {b} F^a \sqrt {\pi } \text {erfi}\left (\sqrt {b} \sqrt {x} \sqrt {\log (F)}\right ) \sqrt {\log (F)} \]
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Time = 0.03 (sec) , antiderivative size = 54, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.231, Rules used = {2208, 2211, 2235} \[ \int \frac {F^{a+b x}}{x^{3/2}} \, dx=2 \sqrt {\pi } \sqrt {b} F^a \sqrt {\log (F)} \text {erfi}\left (\sqrt {b} \sqrt {x} \sqrt {\log (F)}\right )-\frac {2 F^{a+b x}}{\sqrt {x}} \]
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Rule 2208
Rule 2211
Rule 2235
Rubi steps \begin{align*} \text {integral}& = -\frac {2 F^{a+b x}}{\sqrt {x}}+(2 b \log (F)) \int \frac {F^{a+b x}}{\sqrt {x}} \, dx \\ & = -\frac {2 F^{a+b x}}{\sqrt {x}}+(4 b \log (F)) \text {Subst}\left (\int F^{a+b x^2} \, dx,x,\sqrt {x}\right ) \\ & = -\frac {2 F^{a+b x}}{\sqrt {x}}+2 \sqrt {b} F^a \sqrt {\pi } \text {erfi}\left (\sqrt {b} \sqrt {x} \sqrt {\log (F)}\right ) \sqrt {\log (F)} \\ \end{align*}
Time = 0.12 (sec) , antiderivative size = 38, normalized size of antiderivative = 0.70 \[ \int \frac {F^{a+b x}}{x^{3/2}} \, dx=-\frac {2 F^a \left (F^{b x}-\Gamma \left (\frac {1}{2},-b x \log (F)\right ) \sqrt {-b x \log (F)}\right )}{\sqrt {x}} \]
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Time = 0.01 (sec) , antiderivative size = 64, normalized size of antiderivative = 1.19
method | result | size |
meijerg | \(-\frac {F^{a} \left (-b \right )^{\frac {3}{2}} \sqrt {\ln \left (F \right )}\, \left (-\frac {2 \,{\mathrm e}^{x b \ln \left (F \right )}}{\sqrt {x}\, \sqrt {-b}\, \sqrt {\ln \left (F \right )}}+\frac {2 \sqrt {b}\, \sqrt {\pi }\, \operatorname {erfi}\left (\sqrt {b}\, \sqrt {x}\, \sqrt {\ln \left (F \right )}\right )}{\sqrt {-b}}\right )}{b}\) | \(64\) |
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Time = 0.26 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.81 \[ \int \frac {F^{a+b x}}{x^{3/2}} \, dx=-\frac {2 \, {\left (\sqrt {\pi } \sqrt {-b \log \left (F\right )} F^{a} x \operatorname {erf}\left (\sqrt {-b \log \left (F\right )} \sqrt {x}\right ) + F^{b x + a} \sqrt {x}\right )}}{x} \]
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\[ \int \frac {F^{a+b x}}{x^{3/2}} \, dx=\int \frac {F^{a + b x}}{x^{\frac {3}{2}}}\, dx \]
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Time = 0.23 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.44 \[ \int \frac {F^{a+b x}}{x^{3/2}} \, dx=-\frac {\sqrt {-b x \log \left (F\right )} F^{a} \Gamma \left (-\frac {1}{2}, -b x \log \left (F\right )\right )}{\sqrt {x}} \]
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\[ \int \frac {F^{a+b x}}{x^{3/2}} \, dx=\int { \frac {F^{b x + a}}{x^{\frac {3}{2}}} \,d x } \]
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Time = 0.09 (sec) , antiderivative size = 42, normalized size of antiderivative = 0.78 \[ \int \frac {F^{a+b x}}{x^{3/2}} \, dx=\frac {2\,F^a\,\sqrt {\pi }\,\mathrm {erfc}\left (\sqrt {-b\,x\,\ln \left (F\right )}\right )\,\sqrt {-b\,x\,\ln \left (F\right )}}{\sqrt {x}}-\frac {2\,F^a\,F^{b\,x}}{\sqrt {x}} \]
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