Integrand size = 18, antiderivative size = 132 \[ \int (f+g x) \log \left (c \left (d+e x^n\right )^p\right ) \, dx=-\frac {e f n p x^{1+n} \operatorname {Hypergeometric2F1}\left (1,1+\frac {1}{n},2+\frac {1}{n},-\frac {e x^n}{d}\right )}{d (1+n)}-\frac {e g n p x^{2+n} \operatorname {Hypergeometric2F1}\left (1,\frac {2+n}{n},2 \left (1+\frac {1}{n}\right ),-\frac {e x^n}{d}\right )}{2 d (2+n)}-\frac {f^2 p \log \left (d+e x^n\right )}{2 g}+\frac {(f+g x)^2 \log \left (c \left (d+e x^n\right )^p\right )}{2 g} \]
[Out]
Time = 0.09 (sec) , antiderivative size = 132, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {2513, 1858, 266, 371} \[ \int (f+g x) \log \left (c \left (d+e x^n\right )^p\right ) \, dx=\frac {(f+g x)^2 \log \left (c \left (d+e x^n\right )^p\right )}{2 g}-\frac {f^2 p \log \left (d+e x^n\right )}{2 g}-\frac {e f n p x^{n+1} \operatorname {Hypergeometric2F1}\left (1,1+\frac {1}{n},2+\frac {1}{n},-\frac {e x^n}{d}\right )}{d (n+1)}-\frac {e g n p x^{n+2} \operatorname {Hypergeometric2F1}\left (1,\frac {n+2}{n},2 \left (1+\frac {1}{n}\right ),-\frac {e x^n}{d}\right )}{2 d (n+2)} \]
[In]
[Out]
Rule 266
Rule 371
Rule 1858
Rule 2513
Rubi steps \begin{align*} \text {integral}& = \frac {(f+g x)^2 \log \left (c \left (d+e x^n\right )^p\right )}{2 g}-\frac {(e n p) \int \frac {x^{-1+n} (f+g x)^2}{d+e x^n} \, dx}{2 g} \\ & = \frac {(f+g x)^2 \log \left (c \left (d+e x^n\right )^p\right )}{2 g}-\frac {(e n p) \int \left (\frac {f^2 x^{-1+n}}{d+e x^n}+\frac {2 f g x^n}{d+e x^n}+\frac {g^2 x^{1+n}}{d+e x^n}\right ) \, dx}{2 g} \\ & = \frac {(f+g x)^2 \log \left (c \left (d+e x^n\right )^p\right )}{2 g}-(e f n p) \int \frac {x^n}{d+e x^n} \, dx-\frac {\left (e f^2 n p\right ) \int \frac {x^{-1+n}}{d+e x^n} \, dx}{2 g}-\frac {1}{2} (e g n p) \int \frac {x^{1+n}}{d+e x^n} \, dx \\ & = -\frac {e f n p x^{1+n} \, _2F_1\left (1,1+\frac {1}{n};2+\frac {1}{n};-\frac {e x^n}{d}\right )}{d (1+n)}-\frac {e g n p x^{2+n} \, _2F_1\left (1,\frac {2+n}{n};2 \left (1+\frac {1}{n}\right );-\frac {e x^n}{d}\right )}{2 d (2+n)}-\frac {f^2 p \log \left (d+e x^n\right )}{2 g}+\frac {(f+g x)^2 \log \left (c \left (d+e x^n\right )^p\right )}{2 g} \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 130, normalized size of antiderivative = 0.98 \[ \int (f+g x) \log \left (c \left (d+e x^n\right )^p\right ) \, dx=-\frac {e f n p x^{1+n} \operatorname {Hypergeometric2F1}\left (1,\frac {1+n}{n},1+\frac {1+n}{n},-\frac {e x^n}{d}\right )}{d (1+n)}-\frac {e g n p x^{2+n} \operatorname {Hypergeometric2F1}\left (1,\frac {2+n}{n},1+\frac {2+n}{n},-\frac {e x^n}{d}\right )}{2 d (2+n)}+f x \log \left (c \left (d+e x^n\right )^p\right )+\frac {1}{2} g x^2 \log \left (c \left (d+e x^n\right )^p\right ) \]
[In]
[Out]
\[\int \left (g x +f \right ) \ln \left (c \left (d +e \,x^{n}\right )^{p}\right )d x\]
[In]
[Out]
\[ \int (f+g x) \log \left (c \left (d+e x^n\right )^p\right ) \, dx=\int { {\left (g x + f\right )} \log \left ({\left (e x^{n} + d\right )}^{p} c\right ) \,d x } \]
[In]
[Out]
Result contains complex when optimal does not.
Time = 5.78 (sec) , antiderivative size = 214, normalized size of antiderivative = 1.62 \[ \int (f+g x) \log \left (c \left (d+e x^n\right )^p\right ) \, dx=- \frac {d^{-2 - \frac {2}{n}} d^{1 + \frac {2}{n}} e g p x^{n + 2} \Phi \left (\frac {e x^{n} e^{i \pi }}{d}, 1, 1 + \frac {2}{n}\right ) \Gamma \left (1 + \frac {2}{n}\right )}{2 \Gamma \left (2 + \frac {2}{n}\right )} - \frac {d^{-2 - \frac {2}{n}} d^{1 + \frac {2}{n}} e g p x^{n + 2} \Phi \left (\frac {e x^{n} e^{i \pi }}{d}, 1, 1 + \frac {2}{n}\right ) \Gamma \left (1 + \frac {2}{n}\right )}{n \Gamma \left (2 + \frac {2}{n}\right )} + f x \log {\left (c \left (d + e x^{n}\right )^{p} \right )} + \frac {g x^{2} \log {\left (c \left (d + e x^{n}\right )^{p} \right )}}{2} + \frac {d^{- \frac {1}{n}} d^{1 + \frac {1}{n}} e e^{\frac {1}{n}} e^{-1 - \frac {1}{n}} f p x \Phi \left (\frac {d x^{- n} e^{i \pi }}{e}, 1, \frac {e^{i \pi }}{n}\right ) \Gamma \left (\frac {1}{n}\right )}{d n \Gamma \left (1 + \frac {1}{n}\right )} \]
[In]
[Out]
\[ \int (f+g x) \log \left (c \left (d+e x^n\right )^p\right ) \, dx=\int { {\left (g x + f\right )} \log \left ({\left (e x^{n} + d\right )}^{p} c\right ) \,d x } \]
[In]
[Out]
\[ \int (f+g x) \log \left (c \left (d+e x^n\right )^p\right ) \, dx=\int { {\left (g x + f\right )} \log \left ({\left (e x^{n} + d\right )}^{p} c\right ) \,d x } \]
[In]
[Out]
Timed out. \[ \int (f+g x) \log \left (c \left (d+e x^n\right )^p\right ) \, dx=\int \ln \left (c\,{\left (d+e\,x^n\right )}^p\right )\,\left (f+g\,x\right ) \,d x \]
[In]
[Out]