Optimal. Leaf size=259 \[ \frac{4 g e^{-\frac{2 a}{b n}} (d+e x)^2 (e f-d g) \left (c (d+e x)^n\right )^{-2/n} \text{Ei}\left (\frac{2 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )}{b^2 e^3 n^2}+\frac{e^{-\frac{a}{b n}} (d+e x) (e f-d g)^2 \left (c (d+e x)^n\right )^{-1/n} \text{Ei}\left (\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )}{b^2 e^3 n^2}+\frac{3 g^2 e^{-\frac{3 a}{b n}} (d+e x)^3 \left (c (d+e x)^n\right )^{-3/n} \text{Ei}\left (\frac{3 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )}{b^2 e^3 n^2}-\frac{(d+e x) (f+g x)^2}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.517006, antiderivative size = 259, normalized size of antiderivative = 1., number of steps used = 20, number of rules used = 7, integrand size = 24, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.292, Rules used = {2400, 2399, 2389, 2300, 2178, 2390, 2310} \[ \frac{4 g e^{-\frac{2 a}{b n}} (d+e x)^2 (e f-d g) \left (c (d+e x)^n\right )^{-2/n} \text{Ei}\left (\frac{2 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )}{b^2 e^3 n^2}+\frac{e^{-\frac{a}{b n}} (d+e x) (e f-d g)^2 \left (c (d+e x)^n\right )^{-1/n} \text{Ei}\left (\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )}{b^2 e^3 n^2}+\frac{3 g^2 e^{-\frac{3 a}{b n}} (d+e x)^3 \left (c (d+e x)^n\right )^{-3/n} \text{Ei}\left (\frac{3 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )}{b^2 e^3 n^2}-\frac{(d+e x) (f+g x)^2}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 2400
Rule 2399
Rule 2389
Rule 2300
Rule 2178
Rule 2390
Rule 2310
Rubi steps
\begin{align*} \int \frac{(f+g x)^2}{\left (a+b \log \left (c (d+e x)^n\right )\right )^2} \, dx &=-\frac{(d+e x) (f+g x)^2}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )}+\frac{3 \int \frac{(f+g x)^2}{a+b \log \left (c (d+e x)^n\right )} \, dx}{b n}-\frac{(2 (e f-d g)) \int \frac{f+g x}{a+b \log \left (c (d+e x)^n\right )} \, dx}{b e n}\\ &=-\frac{(d+e x) (f+g x)^2}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )}+\frac{3 \int \left (\frac{(e f-d g)^2}{e^2 \left (a+b \log \left (c (d+e x)^n\right )\right )}+\frac{2 g (e f-d g) (d+e x)}{e^2 \left (a+b \log \left (c (d+e x)^n\right )\right )}+\frac{g^2 (d+e x)^2}{e^2 \left (a+b \log \left (c (d+e x)^n\right )\right )}\right ) \, dx}{b n}-\frac{(2 (e f-d g)) \int \left (\frac{e f-d g}{e \left (a+b \log \left (c (d+e x)^n\right )\right )}+\frac{g (d+e x)}{e \left (a+b \log \left (c (d+e x)^n\right )\right )}\right ) \, dx}{b e n}\\ &=-\frac{(d+e x) (f+g x)^2}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )}+\frac{\left (3 g^2\right ) \int \frac{(d+e x)^2}{a+b \log \left (c (d+e x)^n\right )} \, dx}{b e^2 n}-\frac{(2 g (e f-d g)) \int \frac{d+e x}{a+b \log \left (c (d+e x)^n\right )} \, dx}{b e^2 n}+\frac{(6 g (e f-d g)) \int \frac{d+e x}{a+b \log \left (c (d+e x)^n\right )} \, dx}{b e^2 n}-\frac{\left (2 (e f-d g)^2\right ) \int \frac{1}{a+b \log \left (c (d+e x)^n\right )} \, dx}{b e^2 n}+\frac{\left (3 (e f-d g)^2\right ) \int \frac{1}{a+b \log \left (c (d+e x)^n\right )} \, dx}{b e^2 n}\\ &=-\frac{(d+e x) (f+g x)^2}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )}+\frac{\left (3 g^2\right ) \operatorname{Subst}\left (\int \frac{x^2}{a+b \log \left (c x^n\right )} \, dx,x,d+e x\right )}{b e^3 n}-\frac{(2 g (e f-d g)) \operatorname{Subst}\left (\int \frac{x}{a+b \log \left (c x^n\right )} \, dx,x,d+e x\right )}{b e^3 n}+\frac{(6 g (e f-d g)) \operatorname{Subst}\left (\int \frac{x}{a+b \log \left (c x^n\right )} \, dx,x,d+e x\right )}{b e^3 n}-\frac{\left (2 (e f-d g)^2\right ) \operatorname{Subst}\left (\int \frac{1}{a+b \log \left (c x^n\right )} \, dx,x,d+e x\right )}{b e^3 n}+\frac{\left (3 (e f-d g)^2\right ) \operatorname{Subst}\left (\int \frac{1}{a+b \log \left (c x^n\right )} \, dx,x,d+e x\right )}{b e^3 n}\\ &=-\frac{(d+e x) (f+g x)^2}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )}+\frac{\left (3 g^2 (d+e x)^3 \left (c (d+e x)^n\right )^{-3/n}\right ) \operatorname{Subst}\left (\int \frac{e^{\frac{3 x}{n}}}{a+b x} \, dx,x,\log \left (c (d+e x)^n\right )\right )}{b e^3 n^2}-\frac{\left (2 g (e f-d g) (d+e x)^2 \left (c (d+e x)^n\right )^{-2/n}\right ) \operatorname{Subst}\left (\int \frac{e^{\frac{2 x}{n}}}{a+b x} \, dx,x,\log \left (c (d+e x)^n\right )\right )}{b e^3 n^2}+\frac{\left (6 g (e f-d g) (d+e x)^2 \left (c (d+e x)^n\right )^{-2/n}\right ) \operatorname{Subst}\left (\int \frac{e^{\frac{2 x}{n}}}{a+b x} \, dx,x,\log \left (c (d+e x)^n\right )\right )}{b e^3 n^2}-\frac{\left (2 (e f-d g)^2 (d+e x) \left (c (d+e x)^n\right )^{-1/n}\right ) \operatorname{Subst}\left (\int \frac{e^{\frac{x}{n}}}{a+b x} \, dx,x,\log \left (c (d+e x)^n\right )\right )}{b e^3 n^2}+\frac{\left (3 (e f-d g)^2 (d+e x) \left (c (d+e x)^n\right )^{-1/n}\right ) \operatorname{Subst}\left (\int \frac{e^{\frac{x}{n}}}{a+b x} \, dx,x,\log \left (c (d+e x)^n\right )\right )}{b e^3 n^2}\\ &=\frac{e^{-\frac{a}{b n}} (e f-d g)^2 (d+e x) \left (c (d+e x)^n\right )^{-1/n} \text{Ei}\left (\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right )}{b^2 e^3 n^2}+\frac{4 e^{-\frac{2 a}{b n}} g (e f-d g) (d+e x)^2 \left (c (d+e x)^n\right )^{-2/n} \text{Ei}\left (\frac{2 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )}{b^2 e^3 n^2}+\frac{3 e^{-\frac{3 a}{b n}} g^2 (d+e x)^3 \left (c (d+e x)^n\right )^{-3/n} \text{Ei}\left (\frac{3 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )}{b^2 e^3 n^2}-\frac{(d+e x) (f+g x)^2}{b e n \left (a+b \log \left (c (d+e x)^n\right )\right )}\\ \end{align*}
Mathematica [B] time = 0.56144, size = 1015, normalized size = 3.92 \[ \frac{e^{-\frac{3 a}{b n}} \left (c (d+e x)^n\right )^{-3/n} \left (a e^2 e^{\frac{2 a}{b n}} f^2 (d+e x) \text{Ei}\left (\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right ) \left (c (d+e x)^n\right )^{2/n}+a d^2 e^{\frac{2 a}{b n}} g^2 (d+e x) \text{Ei}\left (\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right ) \left (c (d+e x)^n\right )^{2/n}-2 a d e e^{\frac{2 a}{b n}} f g (d+e x) \text{Ei}\left (\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right ) \left (c (d+e x)^n\right )^{2/n}+b e^2 e^{\frac{2 a}{b n}} f^2 (d+e x) \text{Ei}\left (\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right ) \log \left (c (d+e x)^n\right ) \left (c (d+e x)^n\right )^{2/n}+b d^2 e^{\frac{2 a}{b n}} g^2 (d+e x) \text{Ei}\left (\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right ) \log \left (c (d+e x)^n\right ) \left (c (d+e x)^n\right )^{2/n}-2 b d e e^{\frac{2 a}{b n}} f g (d+e x) \text{Ei}\left (\frac{a+b \log \left (c (d+e x)^n\right )}{b n}\right ) \log \left (c (d+e x)^n\right ) \left (c (d+e x)^n\right )^{2/n}-b e^3 e^{\frac{3 a}{b n}} g^2 n x^3 \left (c (d+e x)^n\right )^{3/n}-b d e^2 e^{\frac{3 a}{b n}} g^2 n x^2 \left (c (d+e x)^n\right )^{3/n}-2 b e^3 e^{\frac{3 a}{b n}} f g n x^2 \left (c (d+e x)^n\right )^{3/n}-b d e^2 e^{\frac{3 a}{b n}} f^2 n \left (c (d+e x)^n\right )^{3/n}-b e^3 e^{\frac{3 a}{b n}} f^2 n x \left (c (d+e x)^n\right )^{3/n}-2 b d e^2 e^{\frac{3 a}{b n}} f g n x \left (c (d+e x)^n\right )^{3/n}-4 a d e^{\frac{a}{b n}} g^2 (d+e x)^2 \text{Ei}\left (\frac{2 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right ) \left (c (d+e x)^n\right )^{\frac{1}{n}}+4 a e e^{\frac{a}{b n}} f g (d+e x)^2 \text{Ei}\left (\frac{2 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right ) \left (c (d+e x)^n\right )^{\frac{1}{n}}-4 b d e^{\frac{a}{b n}} g^2 (d+e x)^2 \text{Ei}\left (\frac{2 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right ) \log \left (c (d+e x)^n\right ) \left (c (d+e x)^n\right )^{\frac{1}{n}}+4 b e e^{\frac{a}{b n}} f g (d+e x)^2 \text{Ei}\left (\frac{2 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right ) \log \left (c (d+e x)^n\right ) \left (c (d+e x)^n\right )^{\frac{1}{n}}+3 a g^2 (d+e x)^3 \text{Ei}\left (\frac{3 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right )+3 b g^2 (d+e x)^3 \text{Ei}\left (\frac{3 \left (a+b \log \left (c (d+e x)^n\right )\right )}{b n}\right ) \log \left (c (d+e x)^n\right )\right )}{b^2 e^3 n^2 \left (a+b \log \left (c (d+e x)^n\right )\right )} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [F] time = 3.691, size = 0, normalized size = 0. \begin{align*} \int{\frac{ \left ( gx+f \right ) ^{2}}{ \left ( a+b\ln \left ( c \left ( ex+d \right ) ^{n} \right ) \right ) ^{2}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} -\frac{e g^{2} x^{3} + d f^{2} +{\left (2 \, e f g + d g^{2}\right )} x^{2} +{\left (e f^{2} + 2 \, d f g\right )} x}{b^{2} e n \log \left ({\left (e x + d\right )}^{n}\right ) + b^{2} e n \log \left (c\right ) + a b e n} + \int \frac{3 \, e g^{2} x^{2} + e f^{2} + 2 \, d f g + 2 \,{\left (2 \, e f g + d g^{2}\right )} x}{b^{2} e n \log \left ({\left (e x + d\right )}^{n}\right ) + b^{2} e n \log \left (c\right ) + a b e n}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A] time = 2.09722, size = 1025, normalized size = 3.96 \begin{align*} \frac{{\left (4 \,{\left (a e f g - a d g^{2} +{\left (b e f g - b d g^{2}\right )} n \log \left (e x + d\right ) +{\left (b e f g - b d g^{2}\right )} \log \left (c\right )\right )} e^{\left (\frac{b \log \left (c\right ) + a}{b n}\right )} \logintegral \left ({\left (e^{2} x^{2} + 2 \, d e x + d^{2}\right )} e^{\left (\frac{2 \,{\left (b \log \left (c\right ) + a\right )}}{b n}\right )}\right ) +{\left (a e^{2} f^{2} - 2 \, a d e f g + a d^{2} g^{2} +{\left (b e^{2} f^{2} - 2 \, b d e f g + b d^{2} g^{2}\right )} n \log \left (e x + d\right ) +{\left (b e^{2} f^{2} - 2 \, b d e f g + b d^{2} g^{2}\right )} \log \left (c\right )\right )} e^{\left (\frac{2 \,{\left (b \log \left (c\right ) + a\right )}}{b n}\right )} \logintegral \left ({\left (e x + d\right )} e^{\left (\frac{b \log \left (c\right ) + a}{b n}\right )}\right ) -{\left (b e^{3} g^{2} n x^{3} + b d e^{2} f^{2} n +{\left (2 \, b e^{3} f g + b d e^{2} g^{2}\right )} n x^{2} +{\left (b e^{3} f^{2} + 2 \, b d e^{2} f g\right )} n x\right )} e^{\left (\frac{3 \,{\left (b \log \left (c\right ) + a\right )}}{b n}\right )} + 3 \,{\left (b g^{2} n \log \left (e x + d\right ) + b g^{2} \log \left (c\right ) + a g^{2}\right )} \logintegral \left ({\left (e^{3} x^{3} + 3 \, d e^{2} x^{2} + 3 \, d^{2} e x + d^{3}\right )} e^{\left (\frac{3 \,{\left (b \log \left (c\right ) + a\right )}}{b n}\right )}\right )\right )} e^{\left (-\frac{3 \,{\left (b \log \left (c\right ) + a\right )}}{b n}\right )}}{b^{3} e^{3} n^{3} \log \left (e x + d\right ) + b^{3} e^{3} n^{2} \log \left (c\right ) + a b^{2} e^{3} n^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\left (f + g x\right )^{2}}{\left (a + b \log{\left (c \left (d + e x\right )^{n} \right )}\right )^{2}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [B] time = 1.43274, size = 2755, normalized size = 10.64 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]