Integrand size = 21, antiderivative size = 22 \[ \int \frac {F^{a+\frac {b}{(c+d x)^2}}}{c+d x} \, dx=-\frac {F^a \operatorname {ExpIntegralEi}\left (\frac {b \log (F)}{(c+d x)^2}\right )}{2 d} \]
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Time = 0.03 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.048, Rules used = {2241} \[ \int \frac {F^{a+\frac {b}{(c+d x)^2}}}{c+d x} \, dx=-\frac {F^a \operatorname {ExpIntegralEi}\left (\frac {b \log (F)}{(c+d x)^2}\right )}{2 d} \]
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Rule 2241
Rubi steps \begin{align*} \text {integral}& = -\frac {F^a \text {Ei}\left (\frac {b \log (F)}{(c+d x)^2}\right )}{2 d} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00 \[ \int \frac {F^{a+\frac {b}{(c+d x)^2}}}{c+d x} \, dx=-\frac {F^a \operatorname {ExpIntegralEi}\left (\frac {b \log (F)}{(c+d x)^2}\right )}{2 d} \]
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Time = 0.27 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.05
method | result | size |
risch | \(\frac {F^{a} \operatorname {Ei}_{1}\left (-\frac {b \ln \left (F \right )}{\left (d x +c \right )^{2}}\right )}{2 d}\) | \(23\) |
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none
Time = 0.27 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.41 \[ \int \frac {F^{a+\frac {b}{(c+d x)^2}}}{c+d x} \, dx=-\frac {F^{a} {\rm Ei}\left (\frac {b \log \left (F\right )}{d^{2} x^{2} + 2 \, c d x + c^{2}}\right )}{2 \, d} \]
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\[ \int \frac {F^{a+\frac {b}{(c+d x)^2}}}{c+d x} \, dx=\int \frac {F^{a + \frac {b}{\left (c + d x\right )^{2}}}}{c + d x}\, dx \]
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\[ \int \frac {F^{a+\frac {b}{(c+d x)^2}}}{c+d x} \, dx=\int { \frac {F^{a + \frac {b}{{\left (d x + c\right )}^{2}}}}{d x + c} \,d x } \]
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\[ \int \frac {F^{a+\frac {b}{(c+d x)^2}}}{c+d x} \, dx=\int { \frac {F^{a + \frac {b}{{\left (d x + c\right )}^{2}}}}{d x + c} \,d x } \]
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Time = 0.42 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.91 \[ \int \frac {F^{a+\frac {b}{(c+d x)^2}}}{c+d x} \, dx=-\frac {F^a\,\mathrm {ei}\left (\frac {b\,\ln \left (F\right )}{{\left (c+d\,x\right )}^2}\right )}{2\,d} \]
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