\(\int \frac {\log ^2(c (d+e x^n)^p)}{f x} \, dx\) [166]

Optimal result

Integrand size = 21, antiderivative size = 88 \[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{f x} \, dx=\frac {\log \left (-\frac {e x^n}{d}\right ) \log ^2\left (c \left (d+e x^n\right )^p\right )}{f n}+\frac {2 p \log \left (c \left (d+e x^n\right )^p\right ) \operatorname {PolyLog}\left (2,1+\frac {e x^n}{d}\right )}{f n}-\frac {2 p^2 \operatorname {PolyLog}\left (3,1+\frac {e x^n}{d}\right )}{f n} \]

[Out]

ln(-e*x^n/d)*ln(c*(d+e*x^n)^p)^2/f/n+2*p*ln(c*(d+e*x^n)^p)*polylog(2,1+e*x^n/d)/f/n-2*p^2*polylog(3,1+e*x^n/d)
/f/n

Rubi [A] (verified)

Time = 0.08 (sec) , antiderivative size = 88, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.286, Rules used = {12, 2504, 2443, 2481, 2421, 6724} \[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{f x} \, dx=\frac {2 p \operatorname {PolyLog}\left (2,\frac {e x^n}{d}+1\right ) \log \left (c \left (d+e x^n\right )^p\right )}{f n}+\frac {\log \left (-\frac {e x^n}{d}\right ) \log ^2\left (c \left (d+e x^n\right )^p\right )}{f n}-\frac {2 p^2 \operatorname {PolyLog}\left (3,\frac {e x^n}{d}+1\right )}{f n} \]

[In]

Int[Log[c*(d + e*x^n)^p]^2/(f*x),x]

[Out]

(Log[-((e*x^n)/d)]*Log[c*(d + e*x^n)^p]^2)/(f*n) + (2*p*Log[c*(d + e*x^n)^p]*PolyLog[2, 1 + (e*x^n)/d])/(f*n)
- (2*p^2*PolyLog[3, 1 + (e*x^n)/d])/(f*n)

Rule 12

Int[(a_)*(u_), x_Symbol] :> Dist[a, Int[u, x], x] /; FreeQ[a, x] &&  !MatchQ[u, (b_)*(v_) /; FreeQ[b, x]]

Rule 2421

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

Rule 2443

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

Rule 2481

Int[((a_.) + Log[(c_.)*((d_) + (e_.)*(x_))^(n_.)]*(b_.))^(p_.)*((f_.) + Log[(h_.)*((i_.) + (j_.)*(x_))^(m_.)]*
(g_.))*((k_.) + (l_.)*(x_))^(r_.), x_Symbol] :> Dist[1/e, Subst[Int[(k*(x/d))^r*(a + b*Log[c*x^n])^p*(f + g*Lo
g[h*((e*i - d*j)/e + j*(x/e))^m]), x], x, d + e*x], x] /; FreeQ[{a, b, c, d, e, f, g, h, i, j, k, l, n, p, r},
x] && EqQ[e*k - d*l, 0]

Rule 2504

Int[((a_.) + Log[(c_.)*((d_) + (e_.)*(x_)^(n_))^(p_.)]*(b_.))^(q_.)*(x_)^(m_.), x_Symbol] :> Dist[1/n, Subst[I
nt[x^(Simplify[(m + 1)/n] - 1)*(a + b*Log[c*(d + e*x)^p])^q, x], x, x^n], x] /; FreeQ[{a, b, c, d, e, m, n, p,
q}, x] && IntegerQ[Simplify[(m + 1)/n]] && (GtQ[(m + 1)/n, 0] || IGtQ[q, 0]) &&  !(EqQ[q, 1] && ILtQ[n, 0] &&
IGtQ[m, 0])

Rule 6724

Int[PolyLog[n_, (c_.)*((a_.) + (b_.)*(x_))^(p_.)]/((d_.) + (e_.)*(x_)), x_Symbol] :> Simp[PolyLog[n + 1, c*(a
+ b*x)^p]/(e*p), x] /; FreeQ[{a, b, c, d, e, n, p}, x] && EqQ[b*d, a*e]

Rubi steps \begin{align*} \text {integral}& = \frac {\int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{x} \, dx}{f} \\ & = \frac {\text {Subst}\left (\int \frac {\log ^2\left (c (d+e x)^p\right )}{x} \, dx,x,x^n\right )}{f n} \\ & = \frac {\log \left (-\frac {e x^n}{d}\right ) \log ^2\left (c \left (d+e x^n\right )^p\right )}{f n}-\frac {(2 e p) \text {Subst}\left (\int \frac {\log \left (-\frac {e x}{d}\right ) \log \left (c (d+e x)^p\right )}{d+e x} \, dx,x,x^n\right )}{f n} \\ & = \frac {\log \left (-\frac {e x^n}{d}\right ) \log ^2\left (c \left (d+e x^n\right )^p\right )}{f n}-\frac {(2 p) \text {Subst}\left (\int \frac {\log \left (c x^p\right ) \log \left (-\frac {e \left (-\frac {d}{e}+\frac {x}{e}\right )}{d}\right )}{x} \, dx,x,d+e x^n\right )}{f n} \\ & = \frac {\log \left (-\frac {e x^n}{d}\right ) \log ^2\left (c \left (d+e x^n\right )^p\right )}{f n}+\frac {2 p \log \left (c \left (d+e x^n\right )^p\right ) \text {Li}_2\left (1+\frac {e x^n}{d}\right )}{f n}-\frac {\left (2 p^2\right ) \text {Subst}\left (\int \frac {\text {Li}_2\left (\frac {x}{d}\right )}{x} \, dx,x,d+e x^n\right )}{f n} \\ & = \frac {\log \left (-\frac {e x^n}{d}\right ) \log ^2\left (c \left (d+e x^n\right )^p\right )}{f n}+\frac {2 p \log \left (c \left (d+e x^n\right )^p\right ) \text {Li}_2\left (1+\frac {e x^n}{d}\right )}{f n}-\frac {2 p^2 \text {Li}_3\left (1+\frac {e x^n}{d}\right )}{f n} \\ \end{align*}

Mathematica [A] (verified)

Time = 0.10 (sec) , antiderivative size = 168, normalized size of antiderivative = 1.91 \[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{f x} \, dx=\frac {\log (x) \left (-p \log \left (d+e x^n\right )+\log \left (c \left (d+e x^n\right )^p\right )\right )^2+2 p \left (-p \log \left (d+e x^n\right )+\log \left (c \left (d+e x^n\right )^p\right )\right ) \left (\log (x) \left (\log \left (d+e x^n\right )-\log \left (1+\frac {e x^n}{d}\right )\right )-\frac {\operatorname {PolyLog}\left (2,-\frac {e x^n}{d}\right )}{n}\right )+\frac {p^2 \left (\log \left (-\frac {e x^n}{d}\right ) \log ^2\left (d+e x^n\right )+2 \log \left (d+e x^n\right ) \operatorname {PolyLog}\left (2,1+\frac {e x^n}{d}\right )-2 \operatorname {PolyLog}\left (3,1+\frac {e x^n}{d}\right )\right )}{n}}{f} \]

[In]

Integrate[Log[c*(d + e*x^n)^p]^2/(f*x),x]

[Out]

(Log[x]*(-(p*Log[d + e*x^n]) + Log[c*(d + e*x^n)^p])^2 + 2*p*(-(p*Log[d + e*x^n]) + Log[c*(d + e*x^n)^p])*(Log
[x]*(Log[d + e*x^n] - Log[1 + (e*x^n)/d]) - PolyLog[2, -((e*x^n)/d)]/n) + (p^2*(Log[-((e*x^n)/d)]*Log[d + e*x^
n]^2 + 2*Log[d + e*x^n]*PolyLog[2, 1 + (e*x^n)/d] - 2*PolyLog[3, 1 + (e*x^n)/d]))/n)/f

Maple [C] (warning: unable to verify)

Result contains higher order function than in optimal. Order 9 vs. order 4.

Time = 2.30 (sec) , antiderivative size = 614, normalized size of antiderivative = 6.98

method	result	size
risch	\(-\frac {2 \ln \left (-\frac {e \,x^{n}}{d}\right ) \ln \left (d +e \,x^{n}\right )^{2} p^{2}}{n f}+\frac {\ln \left (e \,x^{n}\right ) \ln \left (d +e \,x^{n}\right )^{2} p^{2}}{n f}+\frac {\ln \left (1-\frac {d +e \,x^{n}}{d}\right ) \ln \left (d +e \,x^{n}\right )^{2} p^{2}}{n f}-\frac {2 \operatorname {dilog}\left (-\frac {e \,x^{n}}{d}\right ) \ln \left (d +e \,x^{n}\right ) p^{2}}{n f}+\frac {2 \ln \left (-\frac {e \,x^{n}}{d}\right ) \ln \left (\left (d +e \,x^{n}\right )^{p}\right ) \ln \left (d +e \,x^{n}\right ) p}{n f}-\frac {2 \ln \left (e \,x^{n}\right ) \ln \left (\left (d +e \,x^{n}\right )^{p}\right ) \ln \left (d +e \,x^{n}\right ) p}{n f}+\frac {2 \,\operatorname {Li}_{2}\left (\frac {d +e \,x^{n}}{d}\right ) \ln \left (d +e \,x^{n}\right ) p^{2}}{n f}+\frac {2 \operatorname {dilog}\left (-\frac {e \,x^{n}}{d}\right ) \ln \left (\left (d +e \,x^{n}\right )^{p}\right ) p}{n f}+\frac {\ln \left (e \,x^{n}\right ) {\ln \left (\left (d +e \,x^{n}\right )^{p}\right )}^{2}}{n f}-\frac {2 \,\operatorname {Li}_{3}\left (\frac {d +e \,x^{n}}{d}\right ) p^{2}}{n f}+\frac {\left (i \pi \,\operatorname {csgn}\left (i \left (d +e \,x^{n}\right )^{p}\right ) {\operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right )}^{2}-i \pi \,\operatorname {csgn}\left (i \left (d +e \,x^{n}\right )^{p}\right ) \operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right ) \operatorname {csgn}\left (i c \right )-i \pi {\operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right )}^{3}+i \pi {\operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right )}^{2} \operatorname {csgn}\left (i c \right )+2 \ln \left (c \right )\right ) \left (\ln \left (x^{n}\right ) \ln \left (\left (d +e \,x^{n}\right )^{p}\right )-p e \left (\frac {\operatorname {dilog}\left (\frac {d +e \,x^{n}}{d}\right )}{e}+\frac {\ln \left (x^{n}\right ) \ln \left (\frac {d +e \,x^{n}}{d}\right )}{e}\right )\right )}{f n}+\frac {{\left (i \pi \,\operatorname {csgn}\left (i \left (d +e \,x^{n}\right )^{p}\right ) {\operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right )}^{2}-i \pi \,\operatorname {csgn}\left (i \left (d +e \,x^{n}\right )^{p}\right ) \operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right ) \operatorname {csgn}\left (i c \right )-i \pi {\operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right )}^{3}+i \pi {\operatorname {csgn}\left (i c \left (d +e \,x^{n}\right )^{p}\right )}^{2} \operatorname {csgn}\left (i c \right )+2 \ln \left (c \right )\right )}^{2} \ln \left (x \right )}{4 f}\)	\(614\)

[In]

int(ln(c*(d+e*x^n)^p)^2/f/x,x,method=_RETURNVERBOSE)

[Out]

-2/n/f*ln(-e*x^n/d)*ln(d+e*x^n)^2*p^2+1/n/f*ln(e*x^n)*ln(d+e*x^n)^2*p^2+1/n/f*ln(1-(d+e*x^n)/d)*ln(d+e*x^n)^2*
p^2-2/n/f*dilog(-e*x^n/d)*ln(d+e*x^n)*p^2+2/n/f*ln(-e*x^n/d)*ln((d+e*x^n)^p)*ln(d+e*x^n)*p-2/n/f*ln(e*x^n)*ln(
(d+e*x^n)^p)*ln(d+e*x^n)*p+2/n/f*polylog(2,(d+e*x^n)/d)*ln(d+e*x^n)*p^2+2/n/f*dilog(-e*x^n/d)*ln((d+e*x^n)^p)*
p+1/n/f*ln(e*x^n)*ln((d+e*x^n)^p)^2-2/n/f*polylog(3,(d+e*x^n)/d)*p^2+1/f*(I*Pi*csgn(I*(d+e*x^n)^p)*csgn(I*c*(d
+e*x^n)^p)^2-I*Pi*csgn(I*(d+e*x^n)^p)*csgn(I*c*(d+e*x^n)^p)*csgn(I*c)-I*Pi*csgn(I*c*(d+e*x^n)^p)^3+I*Pi*csgn(I
*c*(d+e*x^n)^p)^2*csgn(I*c)+2*ln(c))/n*(ln(x^n)*ln((d+e*x^n)^p)-p*e*(dilog((d+e*x^n)/d)/e+ln(x^n)*ln((d+e*x^n)
/d)/e))+1/4/f*(I*Pi*csgn(I*(d+e*x^n)^p)*csgn(I*c*(d+e*x^n)^p)^2-I*Pi*csgn(I*(d+e*x^n)^p)*csgn(I*c*(d+e*x^n)^p)
*csgn(I*c)-I*Pi*csgn(I*c*(d+e*x^n)^p)^3+I*Pi*csgn(I*c*(d+e*x^n)^p)^2*csgn(I*c)+2*ln(c))^2*ln(x)

Fricas [F]

\[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{f x} \, dx=\int { \frac {\log \left ({\left (e x^{n} + d\right )}^{p} c\right )^{2}}{f x} \,d x } \]

[In]

integrate(log(c*(d+e*x^n)^p)^2/f/x,x, algorithm="fricas")

[Out]

integral(log((e*x^n + d)^p*c)^2/(f*x), x)

Sympy [F]

\[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{f x} \, dx=\frac {\int \frac {\log {\left (c \left (d + e x^{n}\right )^{p} \right )}^{2}}{x}\, dx}{f} \]

[In]

integrate(ln(c*(d+e*x**n)**p)**2/f/x,x)

[Out]

Integral(log(c*(d + e*x**n)**p)**2/x, x)/f

Maxima [F]

\[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{f x} \, dx=\int { \frac {\log \left ({\left (e x^{n} + d\right )}^{p} c\right )^{2}}{f x} \,d x } \]

[In]

integrate(log(c*(d+e*x^n)^p)^2/f/x,x, algorithm="maxima")

[Out]

(log((e*x^n + d)^p)^2*log(x) - integrate(-(e*x^n*log(c)^2 + d*log(c)^2 - 2*((e*n*p*log(x) - e*log(c))*x^n - d*
log(c))*log((e*x^n + d)^p))/(e*x*x^n + d*x), x))/f

Giac [F]

\[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{f x} \, dx=\int { \frac {\log \left ({\left (e x^{n} + d\right )}^{p} c\right )^{2}}{f x} \,d x } \]

[In]

integrate(log(c*(d+e*x^n)^p)^2/f/x,x, algorithm="giac")

[Out]

integrate(log((e*x^n + d)^p*c)^2/(f*x), x)

Mupad [F(-1)]

Timed out. \[ \int \frac {\log ^2\left (c \left (d+e x^n\right )^p\right )}{f x} \, dx=\int \frac {{\ln \left (c\,{\left (d+e\,x^n\right )}^p\right )}^2}{f\,x} \,d x \]

[In]

int(log(c*(d + e*x^n)^p)^2/(f*x),x)

[Out]

int(log(c*(d + e*x^n)^p)^2/(f*x), x)