Optimal. Leaf size=191 \[ \frac{3 i b \sqrt{d} n \text{PolyLog}\left (2,-\frac{i \sqrt{e} x}{\sqrt{d}}\right )}{4 e^{5/2}}-\frac{3 i b \sqrt{d} n \text{PolyLog}\left (2,\frac{i \sqrt{e} x}{\sqrt{d}}\right )}{4 e^{5/2}}+\frac{d x \left (a+b \log \left (c x^n\right )\right )}{2 e^2 \left (d+e x^2\right )}-\frac{3 \sqrt{d} \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right ) \left (a+b \log \left (c x^n\right )\right )}{2 e^{5/2}}+\frac{a x}{e^2}+\frac{b x \log \left (c x^n\right )}{e^2}-\frac{b \sqrt{d} n \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right )}{2 e^{5/2}}-\frac{b n x}{e^2} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.296781, antiderivative size = 191, normalized size of antiderivative = 1., number of steps used = 16, number of rules used = 10, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.435, Rules used = {288, 321, 205, 2351, 2295, 2323, 2324, 12, 4848, 2391} \[ \frac{3 i b \sqrt{d} n \text{PolyLog}\left (2,-\frac{i \sqrt{e} x}{\sqrt{d}}\right )}{4 e^{5/2}}-\frac{3 i b \sqrt{d} n \text{PolyLog}\left (2,\frac{i \sqrt{e} x}{\sqrt{d}}\right )}{4 e^{5/2}}+\frac{d x \left (a+b \log \left (c x^n\right )\right )}{2 e^2 \left (d+e x^2\right )}-\frac{3 \sqrt{d} \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right ) \left (a+b \log \left (c x^n\right )\right )}{2 e^{5/2}}+\frac{a x}{e^2}+\frac{b x \log \left (c x^n\right )}{e^2}-\frac{b \sqrt{d} n \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right )}{2 e^{5/2}}-\frac{b n x}{e^2} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 288
Rule 321
Rule 205
Rule 2351
Rule 2295
Rule 2323
Rule 2324
Rule 12
Rule 4848
Rule 2391
Rubi steps
\begin{align*} \int \frac{x^4 \left (a+b \log \left (c x^n\right )\right )}{\left (d+e x^2\right )^2} \, dx &=\int \left (\frac{a+b \log \left (c x^n\right )}{e^2}+\frac{d^2 \left (a+b \log \left (c x^n\right )\right )}{e^2 \left (d+e x^2\right )^2}-\frac{2 d \left (a+b \log \left (c x^n\right )\right )}{e^2 \left (d+e x^2\right )}\right ) \, dx\\ &=\frac{\int \left (a+b \log \left (c x^n\right )\right ) \, dx}{e^2}-\frac{(2 d) \int \frac{a+b \log \left (c x^n\right )}{d+e x^2} \, dx}{e^2}+\frac{d^2 \int \frac{a+b \log \left (c x^n\right )}{\left (d+e x^2\right )^2} \, dx}{e^2}\\ &=\frac{a x}{e^2}+\frac{d x \left (a+b \log \left (c x^n\right )\right )}{2 e^2 \left (d+e x^2\right )}-\frac{2 \sqrt{d} \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right ) \left (a+b \log \left (c x^n\right )\right )}{e^{5/2}}+\frac{b \int \log \left (c x^n\right ) \, dx}{e^2}+\frac{d \int \frac{a+b \log \left (c x^n\right )}{d+e x^2} \, dx}{2 e^2}-\frac{(b d n) \int \frac{1}{d+e x^2} \, dx}{2 e^2}+\frac{(2 b d n) \int \frac{\tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right )}{\sqrt{d} \sqrt{e} x} \, dx}{e^2}\\ &=\frac{a x}{e^2}-\frac{b n x}{e^2}-\frac{b \sqrt{d} n \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right )}{2 e^{5/2}}+\frac{b x \log \left (c x^n\right )}{e^2}+\frac{d x \left (a+b \log \left (c x^n\right )\right )}{2 e^2 \left (d+e x^2\right )}-\frac{3 \sqrt{d} \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right ) \left (a+b \log \left (c x^n\right )\right )}{2 e^{5/2}}+\frac{\left (2 b \sqrt{d} n\right ) \int \frac{\tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right )}{x} \, dx}{e^{5/2}}-\frac{(b d n) \int \frac{\tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right )}{\sqrt{d} \sqrt{e} x} \, dx}{2 e^2}\\ &=\frac{a x}{e^2}-\frac{b n x}{e^2}-\frac{b \sqrt{d} n \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right )}{2 e^{5/2}}+\frac{b x \log \left (c x^n\right )}{e^2}+\frac{d x \left (a+b \log \left (c x^n\right )\right )}{2 e^2 \left (d+e x^2\right )}-\frac{3 \sqrt{d} \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right ) \left (a+b \log \left (c x^n\right )\right )}{2 e^{5/2}}+\frac{\left (i b \sqrt{d} n\right ) \int \frac{\log \left (1-\frac{i \sqrt{e} x}{\sqrt{d}}\right )}{x} \, dx}{e^{5/2}}-\frac{\left (i b \sqrt{d} n\right ) \int \frac{\log \left (1+\frac{i \sqrt{e} x}{\sqrt{d}}\right )}{x} \, dx}{e^{5/2}}-\frac{\left (b \sqrt{d} n\right ) \int \frac{\tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right )}{x} \, dx}{2 e^{5/2}}\\ &=\frac{a x}{e^2}-\frac{b n x}{e^2}-\frac{b \sqrt{d} n \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right )}{2 e^{5/2}}+\frac{b x \log \left (c x^n\right )}{e^2}+\frac{d x \left (a+b \log \left (c x^n\right )\right )}{2 e^2 \left (d+e x^2\right )}-\frac{3 \sqrt{d} \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right ) \left (a+b \log \left (c x^n\right )\right )}{2 e^{5/2}}+\frac{i b \sqrt{d} n \text{Li}_2\left (-\frac{i \sqrt{e} x}{\sqrt{d}}\right )}{e^{5/2}}-\frac{i b \sqrt{d} n \text{Li}_2\left (\frac{i \sqrt{e} x}{\sqrt{d}}\right )}{e^{5/2}}-\frac{\left (i b \sqrt{d} n\right ) \int \frac{\log \left (1-\frac{i \sqrt{e} x}{\sqrt{d}}\right )}{x} \, dx}{4 e^{5/2}}+\frac{\left (i b \sqrt{d} n\right ) \int \frac{\log \left (1+\frac{i \sqrt{e} x}{\sqrt{d}}\right )}{x} \, dx}{4 e^{5/2}}\\ &=\frac{a x}{e^2}-\frac{b n x}{e^2}-\frac{b \sqrt{d} n \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right )}{2 e^{5/2}}+\frac{b x \log \left (c x^n\right )}{e^2}+\frac{d x \left (a+b \log \left (c x^n\right )\right )}{2 e^2 \left (d+e x^2\right )}-\frac{3 \sqrt{d} \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right ) \left (a+b \log \left (c x^n\right )\right )}{2 e^{5/2}}+\frac{3 i b \sqrt{d} n \text{Li}_2\left (-\frac{i \sqrt{e} x}{\sqrt{d}}\right )}{4 e^{5/2}}-\frac{3 i b \sqrt{d} n \text{Li}_2\left (\frac{i \sqrt{e} x}{\sqrt{d}}\right )}{4 e^{5/2}}\\ \end{align*}
Mathematica [A] time = 0.590136, size = 296, normalized size = 1.55 \[ \frac{3 b \sqrt{-d} n \text{PolyLog}\left (2,\frac{\sqrt{e} x}{\sqrt{-d}}\right )-3 b \sqrt{-d} n \text{PolyLog}\left (2,\frac{d \sqrt{e} x}{(-d)^{3/2}}\right )-\frac{d \left (a+b \log \left (c x^n\right )\right )}{\sqrt{-d}-\sqrt{e} x}+\frac{d \left (a+b \log \left (c x^n\right )\right )}{\sqrt{-d}+\sqrt{e} x}-3 \sqrt{-d} \log \left (\frac{\sqrt{e} x}{\sqrt{-d}}+1\right ) \left (a+b \log \left (c x^n\right )\right )+3 \sqrt{-d} \log \left (\frac{d \sqrt{e} x}{(-d)^{3/2}}+1\right ) \left (a+b \log \left (c x^n\right )\right )+4 a \sqrt{e} x+4 b \sqrt{e} x \log \left (c x^n\right )+\frac{b d n \left (\log (x)-\log \left (\sqrt{-d}-\sqrt{e} x\right )\right )}{\sqrt{-d}}+b \sqrt{-d} n \left (\log (x)-\log \left (\sqrt{-d}+\sqrt{e} x\right )\right )-4 b \sqrt{e} n x}{4 e^{5/2}} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [C] time = 0.273, size = 913, normalized size = 4.8 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{b x^{4} \log \left (c x^{n}\right ) + a x^{4}}{e^{2} x^{4} + 2 \, d e x^{2} + d^{2}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\left (b \log \left (c x^{n}\right ) + a\right )} x^{4}}{{\left (e x^{2} + d\right )}^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]