Integrand size = 21, antiderivative size = 31 \[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^7 \, dx=\frac {b^4 F^a \Gamma \left (-4,-\frac {b \log (F)}{(c+d x)^2}\right ) \log ^4(F)}{2 d} \]
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Time = 0.03 (sec) , antiderivative size = 31, 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} \[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^7 \, dx=\frac {b^4 F^a \log ^4(F) \Gamma \left (-4,-\frac {b \log (F)}{(c+d x)^2}\right )}{2 d} \]
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Rule 2250
Rubi steps \begin{align*} \text {integral}& = \frac {b^4 F^a \Gamma \left (-4,-\frac {b \log (F)}{(c+d x)^2}\right ) \log ^4(F)}{2 d} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.00 \[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^7 \, dx=\frac {b^4 F^a \Gamma \left (-4,-\frac {b \log (F)}{(c+d x)^2}\right ) \log ^4(F)}{2 d} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(645\) vs. \(2(29)=58\).
Time = 1.98 (sec) , antiderivative size = 646, normalized size of antiderivative = 20.84
method | result | size |
risch | \(\frac {5 F^{a} d^{3} b \ln \left (F \right ) F^{\frac {b}{\left (d x +c \right )^{2}}} c^{2} x^{4}}{8}+\frac {5 F^{a} d^{2} b \ln \left (F \right ) F^{\frac {b}{\left (d x +c \right )^{2}}} c^{3} x^{3}}{6}+\frac {5 F^{a} d b \ln \left (F \right ) F^{\frac {b}{\left (d x +c \right )^{2}}} c^{4} x^{2}}{8}+\frac {F^{a} d^{2} b^{2} \ln \left (F \right )^{2} F^{\frac {b}{\left (d x +c \right )^{2}}} c \,x^{3}}{12}+\frac {F^{a} d \,b^{2} \ln \left (F \right )^{2} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{2} x^{2}}{8}+\frac {F^{a} d^{4} b \ln \left (F \right ) F^{\frac {b}{\left (d x +c \right )^{2}}} c \,x^{5}}{4}+\frac {F^{a} d^{5} b \ln \left (F \right ) F^{\frac {b}{\left (d x +c \right )^{2}}} x^{6}}{24}+\frac {F^{a} d^{3} b^{2} \ln \left (F \right )^{2} F^{\frac {b}{\left (d x +c \right )^{2}}} x^{4}}{48}+\frac {F^{a} d \,b^{3} \ln \left (F \right )^{3} F^{\frac {b}{\left (d x +c \right )^{2}}} x^{2}}{48}+\frac {F^{a} b \ln \left (F \right ) F^{\frac {b}{\left (d x +c \right )^{2}}} c^{6}}{24 d}+\frac {F^{a} b^{2} \ln \left (F \right )^{2} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{4}}{48 d}+\frac {F^{a} b \ln \left (F \right ) F^{\frac {b}{\left (d x +c \right )^{2}}} c^{5} x}{4}+\frac {F^{a} b^{2} \ln \left (F \right )^{2} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{3} x}{12}+\frac {F^{a} b^{3} \ln \left (F \right )^{3} F^{\frac {b}{\left (d x +c \right )^{2}}} c x}{24}+\frac {F^{a} b^{3} \ln \left (F \right )^{3} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{2}}{48 d}+\frac {F^{a} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{8}}{8 d}+\frac {F^{a} d^{7} F^{\frac {b}{\left (d x +c \right )^{2}}} x^{8}}{8}+F^{a} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{7} x +\frac {F^{a} b^{4} \ln \left (F \right )^{4} \operatorname {Ei}_{1}\left (-\frac {b \ln \left (F \right )}{\left (d x +c \right )^{2}}\right )}{48 d}+F^{a} d^{6} F^{\frac {b}{\left (d x +c \right )^{2}}} c \,x^{7}+\frac {7 F^{a} d^{5} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{2} x^{6}}{2}+7 F^{a} d^{4} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{3} x^{5}+\frac {35 F^{a} d^{3} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{4} x^{4}}{4}+7 F^{a} d^{2} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{5} x^{3}+\frac {7 F^{a} d \,F^{\frac {b}{\left (d x +c \right )^{2}}} c^{6} x^{2}}{2}\) | \(646\) |
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Leaf count of result is larger than twice the leaf count of optimal. 331 vs. \(2 (29) = 58\).
Time = 0.29 (sec) , antiderivative size = 331, normalized size of antiderivative = 10.68 \[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^7 \, dx=-\frac {F^{a} b^{4} {\rm Ei}\left (\frac {b \log \left (F\right )}{d^{2} x^{2} + 2 \, c d x + c^{2}}\right ) \log \left (F\right )^{4} - {\left (6 \, d^{8} x^{8} + 48 \, c d^{7} x^{7} + 168 \, c^{2} d^{6} x^{6} + 336 \, c^{3} d^{5} x^{5} + 420 \, c^{4} d^{4} x^{4} + 336 \, c^{5} d^{3} x^{3} + 168 \, c^{6} d^{2} x^{2} + 48 \, c^{7} d x + 6 \, c^{8} + {\left (b^{3} d^{2} x^{2} + 2 \, b^{3} c d x + b^{3} c^{2}\right )} \log \left (F\right )^{3} + {\left (b^{2} d^{4} x^{4} + 4 \, b^{2} c d^{3} x^{3} + 6 \, b^{2} c^{2} d^{2} x^{2} + 4 \, b^{2} c^{3} d x + b^{2} c^{4}\right )} \log \left (F\right )^{2} + 2 \, {\left (b d^{6} x^{6} + 6 \, b c d^{5} x^{5} + 15 \, b c^{2} d^{4} x^{4} + 20 \, b c^{3} d^{3} x^{3} + 15 \, b c^{4} d^{2} x^{2} + 6 \, b c^{5} d x + b c^{6}\right )} \log \left (F\right )\right )} F^{\frac {a d^{2} x^{2} + 2 \, a c d x + a c^{2} + b}{d^{2} x^{2} + 2 \, c d x + c^{2}}}}{48 \, d} \]
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\[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^7 \, dx=\int F^{a + \frac {b}{\left (c + d x\right )^{2}}} \left (c + d x\right )^{7}\, dx \]
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\[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^7 \, dx=\int { {\left (d x + c\right )}^{7} F^{a + \frac {b}{{\left (d x + c\right )}^{2}}} \,d x } \]
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\[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^7 \, dx=\int { {\left (d x + c\right )}^{7} F^{a + \frac {b}{{\left (d x + c\right )}^{2}}} \,d x } \]
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Time = 0.48 (sec) , antiderivative size = 120, normalized size of antiderivative = 3.87 \[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^7 \, dx=\frac {F^a\,b^4\,{\ln \left (F\right )}^4\,\mathrm {expint}\left (-\frac {b\,\ln \left (F\right )}{{\left (c+d\,x\right )}^2}\right )}{48\,d}+\frac {F^a\,F^{\frac {b}{{\left (c+d\,x\right )}^2}}\,b^4\,{\ln \left (F\right )}^4\,\left (\frac {{\left (c+d\,x\right )}^2}{24\,b\,\ln \left (F\right )}+\frac {{\left (c+d\,x\right )}^4}{24\,b^2\,{\ln \left (F\right )}^2}+\frac {{\left (c+d\,x\right )}^6}{12\,b^3\,{\ln \left (F\right )}^3}+\frac {{\left (c+d\,x\right )}^8}{4\,b^4\,{\ln \left (F\right )}^4}\right )}{2\,d} \]
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