Integrand size = 21, antiderivative size = 54 \[ \int \frac {F^{a+b (c+d x)^n}}{(c+d x)^4} \, dx=-\frac {F^a \Gamma \left (-\frac {3}{n},-b (c+d x)^n \log (F)\right ) \left (-b (c+d x)^n \log (F)\right )^{3/n}}{d n (c+d x)^3} \]
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Time = 0.02 (sec) , antiderivative size = 54, 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 = {2250} \[ \int \frac {F^{a+b (c+d x)^n}}{(c+d x)^4} \, dx=-\frac {F^a \left (-b \log (F) (c+d x)^n\right )^{3/n} \Gamma \left (-\frac {3}{n},-b (c+d x)^n \log (F)\right )}{d n (c+d x)^3} \]
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Rule 2250
Rubi steps \begin{align*} \text {integral}& = -\frac {F^a \Gamma \left (-\frac {3}{n},-b (c+d x)^n \log (F)\right ) \left (-b (c+d x)^n \log (F)\right )^{3/n}}{d n (c+d x)^3} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 54, normalized size of antiderivative = 1.00 \[ \int \frac {F^{a+b (c+d x)^n}}{(c+d x)^4} \, dx=-\frac {F^a \Gamma \left (-\frac {3}{n},-b (c+d x)^n \log (F)\right ) \left (-b (c+d x)^n \log (F)\right )^{3/n}}{d n (c+d x)^3} \]
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\[\int \frac {F^{a +b \left (d x +c \right )^{n}}}{\left (d x +c \right )^{4}}d x\]
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\[ \int \frac {F^{a+b (c+d x)^n}}{(c+d x)^4} \, dx=\int { \frac {F^{{\left (d x + c\right )}^{n} b + a}}{{\left (d x + c\right )}^{4}} \,d x } \]
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\[ \int \frac {F^{a+b (c+d x)^n}}{(c+d x)^4} \, dx=\int \frac {F^{a + b \left (c + d x\right )^{n}}}{\left (c + d x\right )^{4}}\, dx \]
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\[ \int \frac {F^{a+b (c+d x)^n}}{(c+d x)^4} \, dx=\int { \frac {F^{{\left (d x + c\right )}^{n} b + a}}{{\left (d x + c\right )}^{4}} \,d x } \]
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\[ \int \frac {F^{a+b (c+d x)^n}}{(c+d x)^4} \, dx=\int { \frac {F^{{\left (d x + c\right )}^{n} b + a}}{{\left (d x + c\right )}^{4}} \,d x } \]
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Time = 0.35 (sec) , antiderivative size = 71, normalized size of antiderivative = 1.31 \[ \int \frac {F^{a+b (c+d x)^n}}{(c+d x)^4} \, dx=-\frac {F^a\,{\mathrm {e}}^{\frac {b\,\ln \left (F\right )\,{\left (c+d\,x\right )}^n}{2}}\,{\left (b\,\ln \left (F\right )\,{\left (c+d\,x\right )}^n\right )}^{\frac {3}{2\,n}-\frac {1}{2}}\,{\mathrm {M}}_{\frac {3}{2\,n}+\frac {1}{2},-\frac {3}{2\,n}}\left (b\,\ln \left (F\right )\,{\left (c+d\,x\right )}^n\right )}{3\,d\,{\left (c+d\,x\right )}^3} \]
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