Integrand size = 21, antiderivative size = 49 \[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^8 \, dx=\frac {F^a (c+d x)^9 \Gamma \left (-\frac {9}{2},-\frac {b \log (F)}{(c+d x)^2}\right ) \left (-\frac {b \log (F)}{(c+d x)^2}\right )^{9/2}}{2 d} \]
[Out]
Time = 0.03 (sec) , antiderivative size = 49, 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} \[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^8 \, dx=\frac {F^a (c+d x)^9 \left (-\frac {b \log (F)}{(c+d x)^2}\right )^{9/2} \Gamma \left (-\frac {9}{2},-\frac {b \log (F)}{(c+d x)^2}\right )}{2 d} \]
[In]
[Out]
Rule 2250
Rubi steps \begin{align*} \text {integral}& = \frac {F^a (c+d x)^9 \Gamma \left (-\frac {9}{2},-\frac {b \log (F)}{(c+d x)^2}\right ) \left (-\frac {b \log (F)}{(c+d x)^2}\right )^{9/2}}{2 d} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 49, normalized size of antiderivative = 1.00 \[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^8 \, dx=\frac {F^a (c+d x)^9 \Gamma \left (-\frac {9}{2},-\frac {b \log (F)}{(c+d x)^2}\right ) \left (-\frac {b \log (F)}{(c+d x)^2}\right )^{9/2}}{2 d} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. \(825\) vs. \(2(190)=380\).
Time = 2.62 (sec) , antiderivative size = 826, normalized size of antiderivative = 16.86
method | result | size |
risch | \(F^{a} d^{7} F^{\frac {b}{\left (d x +c \right )^{2}}} c \,x^{8}+4 F^{a} d^{6} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{2} x^{7}+\frac {28 F^{a} d^{5} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{3} x^{6}}{3}+14 F^{a} d^{4} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{4} x^{5}+14 F^{a} d^{3} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{5} x^{4}+\frac {28 F^{a} d^{2} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{6} x^{3}}{3}+4 F^{a} d \,F^{\frac {b}{\left (d x +c \right )^{2}}} c^{7} x^{2}+\frac {16 F^{a} b^{4} \ln \left (F \right )^{4} F^{\frac {b}{\left (d x +c \right )^{2}}} x}{945}+\frac {2 F^{a} d^{6} b \ln \left (F \right ) F^{\frac {b}{\left (d x +c \right )^{2}}} x^{7}}{63}+\frac {4 F^{a} d^{4} b^{2} \ln \left (F \right )^{2} F^{\frac {b}{\left (d x +c \right )^{2}}} x^{5}}{315}+\frac {8 F^{a} d^{2} b^{3} \ln \left (F \right )^{3} F^{\frac {b}{\left (d x +c \right )^{2}}} x^{3}}{945}+\frac {2 F^{a} b \ln \left (F \right ) F^{\frac {b}{\left (d x +c \right )^{2}}} c^{7}}{63 d}+\frac {4 F^{a} b^{2} \ln \left (F \right )^{2} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{5}}{315 d}+\frac {8 F^{a} b^{3} \ln \left (F \right )^{3} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{3}}{945 d}+\frac {16 F^{a} b^{4} \ln \left (F \right )^{4} F^{\frac {b}{\left (d x +c \right )^{2}}} c}{945 d}+\frac {8 F^{a} b^{3} \ln \left (F \right )^{3} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{2} x}{315}+\frac {2 F^{a} b \ln \left (F \right ) F^{\frac {b}{\left (d x +c \right )^{2}}} c^{6} x}{9}+\frac {4 F^{a} b^{2} \ln \left (F \right )^{2} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{4} x}{63}+F^{a} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{8} x +\frac {F^{a} d^{8} F^{\frac {b}{\left (d x +c \right )^{2}}} x^{9}}{9}+\frac {F^{a} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{9}}{9 d}-\frac {16 F^{a} b^{5} \ln \left (F \right )^{5} \sqrt {\pi }\, \operatorname {erf}\left (\frac {\sqrt {-b \ln \left (F \right )}}{d x +c}\right )}{945 d \sqrt {-b \ln \left (F \right )}}+\frac {2 F^{a} d^{5} b \ln \left (F \right ) F^{\frac {b}{\left (d x +c \right )^{2}}} c \,x^{6}}{9}+\frac {2 F^{a} d^{4} b \ln \left (F \right ) F^{\frac {b}{\left (d x +c \right )^{2}}} c^{2} x^{5}}{3}+\frac {10 F^{a} d^{3} b \ln \left (F \right ) F^{\frac {b}{\left (d x +c \right )^{2}}} c^{3} x^{4}}{9}+\frac {10 F^{a} d^{2} b \ln \left (F \right ) F^{\frac {b}{\left (d x +c \right )^{2}}} c^{4} x^{3}}{9}+\frac {2 F^{a} d b \ln \left (F \right ) F^{\frac {b}{\left (d x +c \right )^{2}}} c^{5} x^{2}}{3}+\frac {4 F^{a} d^{3} b^{2} \ln \left (F \right )^{2} F^{\frac {b}{\left (d x +c \right )^{2}}} c \,x^{4}}{63}+\frac {8 F^{a} d^{2} b^{2} \ln \left (F \right )^{2} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{2} x^{3}}{63}+\frac {8 F^{a} d \,b^{2} \ln \left (F \right )^{2} F^{\frac {b}{\left (d x +c \right )^{2}}} c^{3} x^{2}}{63}+\frac {8 F^{a} d \,b^{3} \ln \left (F \right )^{3} F^{\frac {b}{\left (d x +c \right )^{2}}} c \,x^{2}}{315}\) | \(826\) |
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 413 vs. \(2 (185) = 370\).
Time = 0.33 (sec) , antiderivative size = 413, normalized size of antiderivative = 8.43 \[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^8 \, dx=\frac {16 \, \sqrt {\pi } F^{a} b^{4} d \sqrt {-\frac {b \log \left (F\right )}{d^{2}}} \operatorname {erf}\left (\frac {d \sqrt {-\frac {b \log \left (F\right )}{d^{2}}}}{d x + c}\right ) \log \left (F\right )^{4} + {\left (105 \, d^{9} x^{9} + 945 \, c d^{8} x^{8} + 3780 \, c^{2} d^{7} x^{7} + 8820 \, c^{3} d^{6} x^{6} + 13230 \, c^{4} d^{5} x^{5} + 13230 \, c^{5} d^{4} x^{4} + 8820 \, c^{6} d^{3} x^{3} + 3780 \, c^{7} d^{2} x^{2} + 945 \, c^{8} d x + 105 \, c^{9} + 16 \, {\left (b^{4} d x + b^{4} c\right )} \log \left (F\right )^{4} + 8 \, {\left (b^{3} d^{3} x^{3} + 3 \, b^{3} c d^{2} x^{2} + 3 \, b^{3} c^{2} d x + b^{3} c^{3}\right )} \log \left (F\right )^{3} + 12 \, {\left (b^{2} d^{5} x^{5} + 5 \, b^{2} c d^{4} x^{4} + 10 \, b^{2} c^{2} d^{3} x^{3} + 10 \, b^{2} c^{3} d^{2} x^{2} + 5 \, b^{2} c^{4} d x + b^{2} c^{5}\right )} \log \left (F\right )^{2} + 30 \, {\left (b d^{7} x^{7} + 7 \, b c d^{6} x^{6} + 21 \, b c^{2} d^{5} x^{5} + 35 \, b c^{3} d^{4} x^{4} + 35 \, b c^{4} d^{3} x^{3} + 21 \, b c^{5} d^{2} x^{2} + 7 \, b c^{6} d x + b c^{7}\right )} \log \left (F\right )\right )} F^{\frac {a d^{2} x^{2} + 2 \, a c d x + a c^{2} + b}{d^{2} x^{2} + 2 \, c d x + c^{2}}}}{945 \, d} \]
[In]
[Out]
\[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^8 \, dx=\int F^{a + \frac {b}{\left (c + d x\right )^{2}}} \left (c + d x\right )^{8}\, dx \]
[In]
[Out]
\[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^8 \, dx=\int { {\left (d x + c\right )}^{8} F^{a + \frac {b}{{\left (d x + c\right )}^{2}}} \,d x } \]
[In]
[Out]
\[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^8 \, dx=\int { {\left (d x + c\right )}^{8} F^{a + \frac {b}{{\left (d x + c\right )}^{2}}} \,d x } \]
[In]
[Out]
Time = 0.82 (sec) , antiderivative size = 232, normalized size of antiderivative = 4.73 \[ \int F^{a+\frac {b}{(c+d x)^2}} (c+d x)^8 \, dx=\frac {F^a\,F^{\frac {b}{{\left (c+d\,x\right )}^2}}\,{\left (c+d\,x\right )}^9}{9\,d}+\frac {16\,F^a\,\sqrt {\pi }\,{\left (c+d\,x\right )}^9\,{\left (-\frac {b\,\ln \left (F\right )}{{\left (c+d\,x\right )}^2}\right )}^{9/2}}{945\,d}+\frac {4\,F^a\,F^{\frac {b}{{\left (c+d\,x\right )}^2}}\,b^2\,{\ln \left (F\right )}^2\,{\left (c+d\,x\right )}^5}{315\,d}+\frac {8\,F^a\,F^{\frac {b}{{\left (c+d\,x\right )}^2}}\,b^3\,{\ln \left (F\right )}^3\,{\left (c+d\,x\right )}^3}{945\,d}+\frac {2\,F^a\,F^{\frac {b}{{\left (c+d\,x\right )}^2}}\,b\,\ln \left (F\right )\,{\left (c+d\,x\right )}^7}{63\,d}+\frac {16\,F^a\,F^{\frac {b}{{\left (c+d\,x\right )}^2}}\,b^4\,{\ln \left (F\right )}^4\,\left (c+d\,x\right )}{945\,d}-\frac {16\,F^a\,\sqrt {\pi }\,\mathrm {erfc}\left (\sqrt {-\frac {b\,\ln \left (F\right )}{{\left (c+d\,x\right )}^2}}\right )\,{\left (c+d\,x\right )}^9\,{\left (-\frac {b\,\ln \left (F\right )}{{\left (c+d\,x\right )}^2}\right )}^{9/2}}{945\,d} \]
[In]
[Out]