3.214 \(\int x^2 (a+b \log (c x^n)) \text{PolyLog}(3,e x) \, dx\)

Optimal. Leaf size=253 \[ -\frac{1}{9} x^3 \text{PolyLog}(2,e x) \left (a+b \log \left (c x^n\right )\right )+\frac{1}{3} x^3 \text{PolyLog}(3,e x) \left (a+b \log \left (c x^n\right )\right )+\frac{b n \text{PolyLog}(2,e x)}{27 e^3}+\frac{2}{27} b n x^3 \text{PolyLog}(2,e x)-\frac{1}{9} b n x^3 \text{PolyLog}(3,e x)+\frac{x \left (a+b \log \left (c x^n\right )\right )}{27 e^2}+\frac{\log (1-e x) \left (a+b \log \left (c x^n\right )\right )}{27 e^3}-\frac{1}{27} x^3 \log (1-e x) \left (a+b \log \left (c x^n\right )\right )+\frac{x^2 \left (a+b \log \left (c x^n\right )\right )}{54 e}+\frac{1}{81} x^3 \left (a+b \log \left (c x^n\right )\right )-\frac{2 b n x}{27 e^2}-\frac{b n \log (1-e x)}{27 e^3}-\frac{b n x^2}{36 e}+\frac{1}{27} b n x^3 \log (1-e x)-\frac{4}{243} b n x^3 \]

[Out]

(-2*b*n*x)/(27*e^2) - (b*n*x^2)/(36*e) - (4*b*n*x^3)/243 + (x*(a + b*Log[c*x^n]))/(27*e^2) + (x^2*(a + b*Log[c
*x^n]))/(54*e) + (x^3*(a + b*Log[c*x^n]))/81 - (b*n*Log[1 - e*x])/(27*e^3) + (b*n*x^3*Log[1 - e*x])/27 + ((a +
b*Log[c*x^n])*Log[1 - e*x])/(27*e^3) - (x^3*(a + b*Log[c*x^n])*Log[1 - e*x])/27 + (b*n*PolyLog[2, e*x])/(27*e
^3) + (2*b*n*x^3*PolyLog[2, e*x])/27 - (x^3*(a + b*Log[c*x^n])*PolyLog[2, e*x])/9 - (b*n*x^3*PolyLog[3, e*x])/
9 + (x^3*(a + b*Log[c*x^n])*PolyLog[3, e*x])/3

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Rubi [A]  time = 0.254357, antiderivative size = 253, normalized size of antiderivative = 1., number of steps used = 15, number of rules used = 6, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.316, Rules used = {2385, 2395, 43, 2376, 2391, 6591} \[ -\frac{1}{9} x^3 \text{PolyLog}(2,e x) \left (a+b \log \left (c x^n\right )\right )+\frac{1}{3} x^3 \text{PolyLog}(3,e x) \left (a+b \log \left (c x^n\right )\right )+\frac{b n \text{PolyLog}(2,e x)}{27 e^3}+\frac{2}{27} b n x^3 \text{PolyLog}(2,e x)-\frac{1}{9} b n x^3 \text{PolyLog}(3,e x)+\frac{x \left (a+b \log \left (c x^n\right )\right )}{27 e^2}+\frac{\log (1-e x) \left (a+b \log \left (c x^n\right )\right )}{27 e^3}-\frac{1}{27} x^3 \log (1-e x) \left (a+b \log \left (c x^n\right )\right )+\frac{x^2 \left (a+b \log \left (c x^n\right )\right )}{54 e}+\frac{1}{81} x^3 \left (a+b \log \left (c x^n\right )\right )-\frac{2 b n x}{27 e^2}-\frac{b n \log (1-e x)}{27 e^3}-\frac{b n x^2}{36 e}+\frac{1}{27} b n x^3 \log (1-e x)-\frac{4}{243} b n x^3 \]

Antiderivative was successfully verified.

[In]

Int[x^2*(a + b*Log[c*x^n])*PolyLog[3, e*x],x]

[Out]

(-2*b*n*x)/(27*e^2) - (b*n*x^2)/(36*e) - (4*b*n*x^3)/243 + (x*(a + b*Log[c*x^n]))/(27*e^2) + (x^2*(a + b*Log[c
*x^n]))/(54*e) + (x^3*(a + b*Log[c*x^n]))/81 - (b*n*Log[1 - e*x])/(27*e^3) + (b*n*x^3*Log[1 - e*x])/27 + ((a +
b*Log[c*x^n])*Log[1 - e*x])/(27*e^3) - (x^3*(a + b*Log[c*x^n])*Log[1 - e*x])/27 + (b*n*PolyLog[2, e*x])/(27*e
^3) + (2*b*n*x^3*PolyLog[2, e*x])/27 - (x^3*(a + b*Log[c*x^n])*PolyLog[2, e*x])/9 - (b*n*x^3*PolyLog[3, e*x])/
9 + (x^3*(a + b*Log[c*x^n])*PolyLog[3, e*x])/3

Rule 2385

Int[((a_.) + Log[(c_.)*(x_)^(n_.)]*(b_.))*((d_.)*(x_))^(m_.)*PolyLog[k_, (e_.)*(x_)^(q_.)], x_Symbol] :> -Simp
[(b*n*(d*x)^(m + 1)*PolyLog[k, e*x^q])/(d*(m + 1)^2), x] + (-Dist[q/(m + 1), Int[(d*x)^m*PolyLog[k - 1, e*x^q]
*(a + b*Log[c*x^n]), x], x] + Dist[(b*n*q)/(m + 1)^2, Int[(d*x)^m*PolyLog[k - 1, e*x^q], x], x] + Simp[((d*x)^
(m + 1)*PolyLog[k, e*x^q]*(a + b*Log[c*x^n]))/(d*(m + 1)), x]) /; FreeQ[{a, b, c, d, e, m, n, q}, x] && IGtQ[k
, 0]

Rule 2395

Int[((a_.) + Log[(c_.)*((d_) + (e_.)*(x_))^(n_.)]*(b_.))*((f_.) + (g_.)*(x_))^(q_.), x_Symbol] :> Simp[((f + g
*x)^(q + 1)*(a + b*Log[c*(d + e*x)^n]))/(g*(q + 1)), x] - Dist[(b*e*n)/(g*(q + 1)), Int[(f + g*x)^(q + 1)/(d +
e*x), x], x] /; FreeQ[{a, b, c, d, e, f, g, n, q}, x] && NeQ[e*f - d*g, 0] && NeQ[q, -1]

Rule 43

Int[((a_.) + (b_.)*(x_))^(m_.)*((c_.) + (d_.)*(x_))^(n_.), x_Symbol] :> Int[ExpandIntegrand[(a + b*x)^m*(c + d
*x)^n, x], x] /; FreeQ[{a, b, c, d, n}, x] && NeQ[b*c - a*d, 0] && IGtQ[m, 0] && ( !IntegerQ[n] || (EqQ[c, 0]
&& LeQ[7*m + 4*n + 4, 0]) || LtQ[9*m + 5*(n + 1), 0] || GtQ[m + n + 2, 0])

Rule 2376

Int[Log[(d_.)*((e_) + (f_.)*(x_)^(m_.))^(r_.)]*((a_.) + Log[(c_.)*(x_)^(n_.)]*(b_.))*((g_.)*(x_))^(q_.), x_Sym
bol] :> With[{u = IntHide[(g*x)^q*Log[d*(e + f*x^m)^r], x]}, Dist[a + b*Log[c*x^n], u, x] - Dist[b*n, Int[Dist
[1/x, u, x], x], x]] /; FreeQ[{a, b, c, d, e, f, g, r, m, n, q}, x] && (IntegerQ[(q + 1)/m] || (RationalQ[m] &
& RationalQ[q])) && NeQ[q, -1]

Rule 2391

Int[Log[(c_.)*((d_) + (e_.)*(x_)^(n_.))]/(x_), x_Symbol] :> -Simp[PolyLog[2, -(c*e*x^n)]/n, x] /; FreeQ[{c, d,
e, n}, x] && EqQ[c*d, 1]

Rule 6591

Int[((d_.)*(x_))^(m_.)*PolyLog[n_, (a_.)*((b_.)*(x_)^(p_.))^(q_.)], x_Symbol] :> Simp[((d*x)^(m + 1)*PolyLog[n
, a*(b*x^p)^q])/(d*(m + 1)), x] - Dist[(p*q)/(m + 1), Int[(d*x)^m*PolyLog[n - 1, a*(b*x^p)^q], x], x] /; FreeQ
[{a, b, d, m, p, q}, x] && NeQ[m, -1] && GtQ[n, 0]

Rubi steps

\begin{align*} \int x^2 \left (a+b \log \left (c x^n\right )\right ) \text{Li}_3(e x) \, dx &=-\frac{1}{9} b n x^3 \text{Li}_3(e x)+\frac{1}{3} x^3 \left (a+b \log \left (c x^n\right )\right ) \text{Li}_3(e x)-\frac{1}{3} \int x^2 \left (a+b \log \left (c x^n\right )\right ) \text{Li}_2(e x) \, dx+\frac{1}{9} (b n) \int x^2 \text{Li}_2(e x) \, dx\\ &=\frac{2}{27} b n x^3 \text{Li}_2(e x)-\frac{1}{9} x^3 \left (a+b \log \left (c x^n\right )\right ) \text{Li}_2(e x)-\frac{1}{9} b n x^3 \text{Li}_3(e x)+\frac{1}{3} x^3 \left (a+b \log \left (c x^n\right )\right ) \text{Li}_3(e x)-\frac{1}{9} \int x^2 \left (a+b \log \left (c x^n\right )\right ) \log (1-e x) \, dx+2 \left (\frac{1}{27} (b n) \int x^2 \log (1-e x) \, dx\right )\\ &=\frac{x \left (a+b \log \left (c x^n\right )\right )}{27 e^2}+\frac{x^2 \left (a+b \log \left (c x^n\right )\right )}{54 e}+\frac{1}{81} x^3 \left (a+b \log \left (c x^n\right )\right )+\frac{\left (a+b \log \left (c x^n\right )\right ) \log (1-e x)}{27 e^3}-\frac{1}{27} x^3 \left (a+b \log \left (c x^n\right )\right ) \log (1-e x)+\frac{2}{27} b n x^3 \text{Li}_2(e x)-\frac{1}{9} x^3 \left (a+b \log \left (c x^n\right )\right ) \text{Li}_2(e x)-\frac{1}{9} b n x^3 \text{Li}_3(e x)+\frac{1}{3} x^3 \left (a+b \log \left (c x^n\right )\right ) \text{Li}_3(e x)+\frac{1}{9} (b n) \int \left (-\frac{1}{3 e^2}-\frac{x}{6 e}-\frac{x^2}{9}-\frac{\log (1-e x)}{3 e^3 x}+\frac{1}{3} x^2 \log (1-e x)\right ) \, dx+2 \left (\frac{1}{81} b n x^3 \log (1-e x)+\frac{1}{81} (b e n) \int \frac{x^3}{1-e x} \, dx\right )\\ &=-\frac{b n x}{27 e^2}-\frac{b n x^2}{108 e}-\frac{1}{243} b n x^3+\frac{x \left (a+b \log \left (c x^n\right )\right )}{27 e^2}+\frac{x^2 \left (a+b \log \left (c x^n\right )\right )}{54 e}+\frac{1}{81} x^3 \left (a+b \log \left (c x^n\right )\right )+\frac{\left (a+b \log \left (c x^n\right )\right ) \log (1-e x)}{27 e^3}-\frac{1}{27} x^3 \left (a+b \log \left (c x^n\right )\right ) \log (1-e x)+\frac{2}{27} b n x^3 \text{Li}_2(e x)-\frac{1}{9} x^3 \left (a+b \log \left (c x^n\right )\right ) \text{Li}_2(e x)-\frac{1}{9} b n x^3 \text{Li}_3(e x)+\frac{1}{3} x^3 \left (a+b \log \left (c x^n\right )\right ) \text{Li}_3(e x)+\frac{1}{27} (b n) \int x^2 \log (1-e x) \, dx-\frac{(b n) \int \frac{\log (1-e x)}{x} \, dx}{27 e^3}+2 \left (\frac{1}{81} b n x^3 \log (1-e x)+\frac{1}{81} (b e n) \int \left (-\frac{1}{e^3}-\frac{x}{e^2}-\frac{x^2}{e}-\frac{1}{e^3 (-1+e x)}\right ) \, dx\right )\\ &=-\frac{b n x}{27 e^2}-\frac{b n x^2}{108 e}-\frac{1}{243} b n x^3+\frac{x \left (a+b \log \left (c x^n\right )\right )}{27 e^2}+\frac{x^2 \left (a+b \log \left (c x^n\right )\right )}{54 e}+\frac{1}{81} x^3 \left (a+b \log \left (c x^n\right )\right )+\frac{1}{81} b n x^3 \log (1-e x)+\frac{\left (a+b \log \left (c x^n\right )\right ) \log (1-e x)}{27 e^3}-\frac{1}{27} x^3 \left (a+b \log \left (c x^n\right )\right ) \log (1-e x)+2 \left (-\frac{b n x}{81 e^2}-\frac{b n x^2}{162 e}-\frac{1}{243} b n x^3-\frac{b n \log (1-e x)}{81 e^3}+\frac{1}{81} b n x^3 \log (1-e x)\right )+\frac{b n \text{Li}_2(e x)}{27 e^3}+\frac{2}{27} b n x^3 \text{Li}_2(e x)-\frac{1}{9} x^3 \left (a+b \log \left (c x^n\right )\right ) \text{Li}_2(e x)-\frac{1}{9} b n x^3 \text{Li}_3(e x)+\frac{1}{3} x^3 \left (a+b \log \left (c x^n\right )\right ) \text{Li}_3(e x)+\frac{1}{81} (b e n) \int \frac{x^3}{1-e x} \, dx\\ &=-\frac{b n x}{27 e^2}-\frac{b n x^2}{108 e}-\frac{1}{243} b n x^3+\frac{x \left (a+b \log \left (c x^n\right )\right )}{27 e^2}+\frac{x^2 \left (a+b \log \left (c x^n\right )\right )}{54 e}+\frac{1}{81} x^3 \left (a+b \log \left (c x^n\right )\right )+\frac{1}{81} b n x^3 \log (1-e x)+\frac{\left (a+b \log \left (c x^n\right )\right ) \log (1-e x)}{27 e^3}-\frac{1}{27} x^3 \left (a+b \log \left (c x^n\right )\right ) \log (1-e x)+2 \left (-\frac{b n x}{81 e^2}-\frac{b n x^2}{162 e}-\frac{1}{243} b n x^3-\frac{b n \log (1-e x)}{81 e^3}+\frac{1}{81} b n x^3 \log (1-e x)\right )+\frac{b n \text{Li}_2(e x)}{27 e^3}+\frac{2}{27} b n x^3 \text{Li}_2(e x)-\frac{1}{9} x^3 \left (a+b \log \left (c x^n\right )\right ) \text{Li}_2(e x)-\frac{1}{9} b n x^3 \text{Li}_3(e x)+\frac{1}{3} x^3 \left (a+b \log \left (c x^n\right )\right ) \text{Li}_3(e x)+\frac{1}{81} (b e n) \int \left (-\frac{1}{e^3}-\frac{x}{e^2}-\frac{x^2}{e}-\frac{1}{e^3 (-1+e x)}\right ) \, dx\\ &=-\frac{4 b n x}{81 e^2}-\frac{5 b n x^2}{324 e}-\frac{2}{243} b n x^3+\frac{x \left (a+b \log \left (c x^n\right )\right )}{27 e^2}+\frac{x^2 \left (a+b \log \left (c x^n\right )\right )}{54 e}+\frac{1}{81} x^3 \left (a+b \log \left (c x^n\right )\right )-\frac{b n \log (1-e x)}{81 e^3}+\frac{1}{81} b n x^3 \log (1-e x)+\frac{\left (a+b \log \left (c x^n\right )\right ) \log (1-e x)}{27 e^3}-\frac{1}{27} x^3 \left (a+b \log \left (c x^n\right )\right ) \log (1-e x)+2 \left (-\frac{b n x}{81 e^2}-\frac{b n x^2}{162 e}-\frac{1}{243} b n x^3-\frac{b n \log (1-e x)}{81 e^3}+\frac{1}{81} b n x^3 \log (1-e x)\right )+\frac{b n \text{Li}_2(e x)}{27 e^3}+\frac{2}{27} b n x^3 \text{Li}_2(e x)-\frac{1}{9} x^3 \left (a+b \log \left (c x^n\right )\right ) \text{Li}_2(e x)-\frac{1}{9} b n x^3 \text{Li}_3(e x)+\frac{1}{3} x^3 \left (a+b \log \left (c x^n\right )\right ) \text{Li}_3(e x)\\ \end{align*}

Mathematica [F]  time = 0.135257, size = 0, normalized size = 0. \[ \int x^2 \left (a+b \log \left (c x^n\right )\right ) \text{PolyLog}(3,e x) \, dx \]

Verification is Not applicable to the result.

[In]

Integrate[x^2*(a + b*Log[c*x^n])*PolyLog[3, e*x],x]

[Out]

Integrate[x^2*(a + b*Log[c*x^n])*PolyLog[3, e*x], x]

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Maple [F]  time = 0.349, size = 0, normalized size = 0. \begin{align*} \int{x}^{2} \left ( a+b\ln \left ( c{x}^{n} \right ) \right ){\it polylog} \left ( 3,ex \right ) \, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x^2*(a+b*ln(c*x^n))*polylog(3,e*x),x)

[Out]

int(x^2*(a+b*ln(c*x^n))*polylog(3,e*x),x)

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Maxima [F]  time = 0., size = 0, normalized size = 0. \begin{align*} -\frac{1}{162} \, b{\left (\frac{6 \,{\left (3 \, e^{3} x^{3} \log \left (x^{n}\right ) -{\left (2 \, e^{3} n - 3 \, e^{3} \log \left (c\right )\right )} x^{3}\right )}{\rm Li}_2\left (e x\right ) - 6 \,{\left ({\left (e^{3} n - e^{3} \log \left (c\right )\right )} x^{3} - n \log \left (x\right )\right )} \log \left (-e x + 1\right ) -{\left (2 \, e^{3} x^{3} + 3 \, e^{2} x^{2} + 6 \, e x - 6 \,{\left (e^{3} x^{3} - 1\right )} \log \left (-e x + 1\right )\right )} \log \left (x^{n}\right ) - 18 \,{\left (3 \, e^{3} x^{3} \log \left (x^{n}\right ) -{\left (e^{3} n - 3 \, e^{3} \log \left (c\right )\right )} x^{3}\right )}{\rm Li}_{3}(e x)}{e^{3}} - 162 \, \int -\frac{e^{2} n x^{2} + 2 \,{\left (4 \, e^{3} n - 3 \, e^{3} \log \left (c\right )\right )} x^{3} + 3 \, e n x - 6 \, n \log \left (x\right ) - 6 \, n}{162 \,{\left (e^{3} x - e^{2}\right )}}\,{d x}\right )} - \frac{{\left (18 \, e^{3} x^{3}{\rm Li}_2\left (e x\right ) - 54 \, e^{3} x^{3}{\rm Li}_{3}(e x) - 2 \, e^{3} x^{3} - 3 \, e^{2} x^{2} - 6 \, e x + 6 \,{\left (e^{3} x^{3} - 1\right )} \log \left (-e x + 1\right )\right )} a}{162 \, e^{3}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^2*(a+b*log(c*x^n))*polylog(3,e*x),x, algorithm="maxima")

[Out]

-1/162*b*((6*(3*e^3*x^3*log(x^n) - (2*e^3*n - 3*e^3*log(c))*x^3)*dilog(e*x) - 6*((e^3*n - e^3*log(c))*x^3 - n*
log(x))*log(-e*x + 1) - (2*e^3*x^3 + 3*e^2*x^2 + 6*e*x - 6*(e^3*x^3 - 1)*log(-e*x + 1))*log(x^n) - 18*(3*e^3*x
^3*log(x^n) - (e^3*n - 3*e^3*log(c))*x^3)*polylog(3, e*x))/e^3 - 162*integrate(-1/162*(e^2*n*x^2 + 2*(4*e^3*n
- 3*e^3*log(c))*x^3 + 3*e*n*x - 6*n*log(x) - 6*n)/(e^3*x - e^2), x)) - 1/162*(18*e^3*x^3*dilog(e*x) - 54*e^3*x
^3*polylog(3, e*x) - 2*e^3*x^3 - 3*e^2*x^2 - 6*e*x + 6*(e^3*x^3 - 1)*log(-e*x + 1))*a/e^3

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Fricas [C]  time = 0.975218, size = 738, normalized size = 2.92 \begin{align*} -\frac{4 \,{\left (4 \, b e^{3} n - 3 \, a e^{3}\right )} x^{3} + 9 \,{\left (3 \, b e^{2} n - 2 \, a e^{2}\right )} x^{2} + 36 \,{\left (2 \, b e n - a e\right )} x + 36 \,{\left (3 \, b e^{3} n x^{3} \log \left (x\right ) + 3 \, b e^{3} x^{3} \log \left (c\right ) -{\left (2 \, b e^{3} n - 3 \, a e^{3}\right )} x^{3} - b n\right )}{\rm \%iint}\left (e, x, -\frac{\log \left (-e x + 1\right )}{e}, -\frac{\log \left (-e x + 1\right )}{x}\right ) - 36 \,{\left ({\left (b e^{3} n - a e^{3}\right )} x^{3} - b n + a\right )} \log \left (-e x + 1\right ) - 6 \,{\left (2 \, b e^{3} x^{3} + 3 \, b e^{2} x^{2} + 6 \, b e x - 6 \,{\left (b e^{3} x^{3} - b\right )} \log \left (-e x + 1\right )\right )} \log \left (c\right ) - 6 \,{\left (2 \, b e^{3} n x^{3} + 3 \, b e^{2} n x^{2} + 6 \, b e n x - 6 \,{\left (b e^{3} n x^{3} - b n\right )} \log \left (-e x + 1\right )\right )} \log \left (x\right ) - 108 \,{\left (3 \, b e^{3} n x^{3} \log \left (x\right ) + 3 \, b e^{3} x^{3} \log \left (c\right ) -{\left (b e^{3} n - 3 \, a e^{3}\right )} x^{3}\right )}{\rm polylog}\left (3, e x\right )}{972 \, e^{3}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^2*(a+b*log(c*x^n))*polylog(3,e*x),x, algorithm="fricas")

[Out]

-1/972*(4*(4*b*e^3*n - 3*a*e^3)*x^3 + 9*(3*b*e^2*n - 2*a*e^2)*x^2 + 36*(2*b*e*n - a*e)*x + 36*(3*b*e^3*n*x^3*l
og(x) + 3*b*e^3*x^3*log(c) - (2*b*e^3*n - 3*a*e^3)*x^3 - b*n)*\%iint(e, x, -log(-e*x + 1)/e, -log(-e*x + 1)/x)
- 36*((b*e^3*n - a*e^3)*x^3 - b*n + a)*log(-e*x + 1) - 6*(2*b*e^3*x^3 + 3*b*e^2*x^2 + 6*b*e*x - 6*(b*e^3*x^3 -
b)*log(-e*x + 1))*log(c) - 6*(2*b*e^3*n*x^3 + 3*b*e^2*n*x^2 + 6*b*e*n*x - 6*(b*e^3*n*x^3 - b*n)*log(-e*x + 1)
)*log(x) - 108*(3*b*e^3*n*x^3*log(x) + 3*b*e^3*x^3*log(c) - (b*e^3*n - 3*a*e^3)*x^3)*polylog(3, e*x))/e^3

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Sympy [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int x^{2} \left (a + b \log{\left (c x^{n} \right )}\right ) \operatorname{Li}_{3}\left (e x\right )\, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x**2*(a+b*ln(c*x**n))*polylog(3,e*x),x)

[Out]

Integral(x**2*(a + b*log(c*x**n))*polylog(3, e*x), x)

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Giac [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (b \log \left (c x^{n}\right ) + a\right )} x^{2}{\rm Li}_{3}(e x)\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^2*(a+b*log(c*x^n))*polylog(3,e*x),x, algorithm="giac")

[Out]

integrate((b*log(c*x^n) + a)*x^2*polylog(3, e*x), x)