3.24 \(\int x^4 \coth ^{-1}(a x)^3 \, dx\)

Optimal. Leaf size=196 \[ \frac {3 \text {Li}_3\left (1-\frac {2}{1-a x}\right )}{10 a^5}-\frac {3 \text {Li}_2\left (1-\frac {2}{1-a x}\right ) \coth ^{-1}(a x)}{5 a^5}+\frac {\coth ^{-1}(a x)^3}{5 a^5}-\frac {9 \coth ^{-1}(a x)^2}{20 a^5}-\frac {3 \log \left (\frac {2}{1-a x}\right ) \coth ^{-1}(a x)^2}{5 a^5}+\frac {9 x \coth ^{-1}(a x)}{10 a^4}+\frac {x^2}{20 a^3}+\frac {3 x^2 \coth ^{-1}(a x)^2}{10 a^3}+\frac {x^3 \coth ^{-1}(a x)}{10 a^2}+\frac {\log \left (1-a^2 x^2\right )}{2 a^5}+\frac {1}{5} x^5 \coth ^{-1}(a x)^3+\frac {3 x^4 \coth ^{-1}(a x)^2}{20 a} \]

[Out]

1/20*x^2/a^3+9/10*x*arccoth(a*x)/a^4+1/10*x^3*arccoth(a*x)/a^2-9/20*arccoth(a*x)^2/a^5+3/10*x^2*arccoth(a*x)^2
/a^3+3/20*x^4*arccoth(a*x)^2/a+1/5*arccoth(a*x)^3/a^5+1/5*x^5*arccoth(a*x)^3-3/5*arccoth(a*x)^2*ln(2/(-a*x+1))
/a^5+1/2*ln(-a^2*x^2+1)/a^5-3/5*arccoth(a*x)*polylog(2,1-2/(-a*x+1))/a^5+3/10*polylog(3,1-2/(-a*x+1))/a^5

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Rubi [A]  time = 0.58, antiderivative size = 196, normalized size of antiderivative = 1.00, number of steps used = 22, number of rules used = 11, integrand size = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 1.100, Rules used = {5917, 5981, 266, 43, 5911, 260, 5949, 5985, 5919, 6059, 6610} \[ \frac {3 \text {PolyLog}\left (3,1-\frac {2}{1-a x}\right )}{10 a^5}-\frac {3 \coth ^{-1}(a x) \text {PolyLog}\left (2,1-\frac {2}{1-a x}\right )}{5 a^5}+\frac {x^2}{20 a^3}+\frac {\log \left (1-a^2 x^2\right )}{2 a^5}+\frac {x^3 \coth ^{-1}(a x)}{10 a^2}+\frac {3 x^2 \coth ^{-1}(a x)^2}{10 a^3}+\frac {9 x \coth ^{-1}(a x)}{10 a^4}+\frac {\coth ^{-1}(a x)^3}{5 a^5}-\frac {9 \coth ^{-1}(a x)^2}{20 a^5}-\frac {3 \log \left (\frac {2}{1-a x}\right ) \coth ^{-1}(a x)^2}{5 a^5}+\frac {1}{5} x^5 \coth ^{-1}(a x)^3+\frac {3 x^4 \coth ^{-1}(a x)^2}{20 a} \]

Antiderivative was successfully verified.

[In]

Int[x^4*ArcCoth[a*x]^3,x]

[Out]

x^2/(20*a^3) + (9*x*ArcCoth[a*x])/(10*a^4) + (x^3*ArcCoth[a*x])/(10*a^2) - (9*ArcCoth[a*x]^2)/(20*a^5) + (3*x^
2*ArcCoth[a*x]^2)/(10*a^3) + (3*x^4*ArcCoth[a*x]^2)/(20*a) + ArcCoth[a*x]^3/(5*a^5) + (x^5*ArcCoth[a*x]^3)/5 -
(3*ArcCoth[a*x]^2*Log[2/(1 - a*x)])/(5*a^5) + Log[1 - a^2*x^2]/(2*a^5) - (3*ArcCoth[a*x]*PolyLog[2, 1 - 2/(1
- a*x)])/(5*a^5) + (3*PolyLog[3, 1 - 2/(1 - a*x)])/(10*a^5)

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 260

Int[(x_)^(m_.)/((a_) + (b_.)*(x_)^(n_)), x_Symbol] :> Simp[Log[RemoveContent[a + b*x^n, x]]/(b*n), x] /; FreeQ
[{a, b, m, n}, x] && EqQ[m, n - 1]

Rule 266

Int[(x_)^(m_.)*((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> Dist[1/n, Subst[Int[x^(Simplify[(m + 1)/n] - 1)*(a
+ b*x)^p, x], x, x^n], x] /; FreeQ[{a, b, m, n, p}, x] && IntegerQ[Simplify[(m + 1)/n]]

Rule 5911

Int[((a_.) + ArcCoth[(c_.)*(x_)]*(b_.))^(p_.), x_Symbol] :> Simp[x*(a + b*ArcCoth[c*x])^p, x] - Dist[b*c*p, In
t[(x*(a + b*ArcCoth[c*x])^(p - 1))/(1 - c^2*x^2), x], x] /; FreeQ[{a, b, c}, x] && IGtQ[p, 0]

Rule 5917

Int[((a_.) + ArcCoth[(c_.)*(x_)]*(b_.))^(p_.)*((d_.)*(x_))^(m_.), x_Symbol] :> Simp[((d*x)^(m + 1)*(a + b*ArcC
oth[c*x])^p)/(d*(m + 1)), x] - Dist[(b*c*p)/(d*(m + 1)), Int[((d*x)^(m + 1)*(a + b*ArcCoth[c*x])^(p - 1))/(1 -
c^2*x^2), x], x] /; FreeQ[{a, b, c, d, m}, x] && IGtQ[p, 0] && (EqQ[p, 1] || IntegerQ[m]) && NeQ[m, -1]

Rule 5919

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

Rule 5949

Int[((a_.) + ArcCoth[(c_.)*(x_)]*(b_.))^(p_.)/((d_) + (e_.)*(x_)^2), x_Symbol] :> Simp[(a + b*ArcCoth[c*x])^(p
+ 1)/(b*c*d*(p + 1)), x] /; FreeQ[{a, b, c, d, e, p}, x] && EqQ[c^2*d + e, 0] && NeQ[p, -1]

Rule 5981

Int[(((a_.) + ArcCoth[(c_.)*(x_)]*(b_.))^(p_.)*((f_.)*(x_))^(m_))/((d_) + (e_.)*(x_)^2), x_Symbol] :> Dist[f^2
/e, Int[(f*x)^(m - 2)*(a + b*ArcCoth[c*x])^p, x], x] - Dist[(d*f^2)/e, Int[((f*x)^(m - 2)*(a + b*ArcCoth[c*x])
^p)/(d + e*x^2), x], x] /; FreeQ[{a, b, c, d, e, f}, x] && GtQ[p, 0] && GtQ[m, 1]

Rule 5985

Int[(((a_.) + ArcCoth[(c_.)*(x_)]*(b_.))^(p_.)*(x_))/((d_) + (e_.)*(x_)^2), x_Symbol] :> Simp[(a + b*ArcCoth[c
*x])^(p + 1)/(b*e*(p + 1)), x] + Dist[1/(c*d), Int[(a + b*ArcCoth[c*x])^p/(1 - c*x), x], x] /; FreeQ[{a, b, c,
d, e}, x] && EqQ[c^2*d + e, 0] && IGtQ[p, 0]

Rule 6059

Int[(Log[u_]*((a_.) + ArcCoth[(c_.)*(x_)]*(b_.))^(p_.))/((d_) + (e_.)*(x_)^2), x_Symbol] :> -Simp[((a + b*ArcC
oth[c*x])^p*PolyLog[2, 1 - u])/(2*c*d), x] + Dist[(b*p)/2, Int[((a + b*ArcCoth[c*x])^(p - 1)*PolyLog[2, 1 - u]
)/(d + e*x^2), x], x] /; FreeQ[{a, b, c, d, e}, x] && IGtQ[p, 0] && EqQ[c^2*d + e, 0] && EqQ[(1 - u)^2 - (1 -
2/(1 - c*x))^2, 0]

Rule 6610

Int[(u_)*PolyLog[n_, v_], x_Symbol] :> With[{w = DerivativeDivides[v, u*v, x]}, Simp[w*PolyLog[n + 1, v], x] /
;  !FalseQ[w]] /; FreeQ[n, x]

Rubi steps

\begin {align*} \int x^4 \coth ^{-1}(a x)^3 \, dx &=\frac {1}{5} x^5 \coth ^{-1}(a x)^3-\frac {1}{5} (3 a) \int \frac {x^5 \coth ^{-1}(a x)^2}{1-a^2 x^2} \, dx\\ &=\frac {1}{5} x^5 \coth ^{-1}(a x)^3+\frac {3 \int x^3 \coth ^{-1}(a x)^2 \, dx}{5 a}-\frac {3 \int \frac {x^3 \coth ^{-1}(a x)^2}{1-a^2 x^2} \, dx}{5 a}\\ &=\frac {3 x^4 \coth ^{-1}(a x)^2}{20 a}+\frac {1}{5} x^5 \coth ^{-1}(a x)^3-\frac {3}{10} \int \frac {x^4 \coth ^{-1}(a x)}{1-a^2 x^2} \, dx+\frac {3 \int x \coth ^{-1}(a x)^2 \, dx}{5 a^3}-\frac {3 \int \frac {x \coth ^{-1}(a x)^2}{1-a^2 x^2} \, dx}{5 a^3}\\ &=\frac {3 x^2 \coth ^{-1}(a x)^2}{10 a^3}+\frac {3 x^4 \coth ^{-1}(a x)^2}{20 a}+\frac {\coth ^{-1}(a x)^3}{5 a^5}+\frac {1}{5} x^5 \coth ^{-1}(a x)^3-\frac {3 \int \frac {\coth ^{-1}(a x)^2}{1-a x} \, dx}{5 a^4}+\frac {3 \int x^2 \coth ^{-1}(a x) \, dx}{10 a^2}-\frac {3 \int \frac {x^2 \coth ^{-1}(a x)}{1-a^2 x^2} \, dx}{10 a^2}-\frac {3 \int \frac {x^2 \coth ^{-1}(a x)}{1-a^2 x^2} \, dx}{5 a^2}\\ &=\frac {x^3 \coth ^{-1}(a x)}{10 a^2}+\frac {3 x^2 \coth ^{-1}(a x)^2}{10 a^3}+\frac {3 x^4 \coth ^{-1}(a x)^2}{20 a}+\frac {\coth ^{-1}(a x)^3}{5 a^5}+\frac {1}{5} x^5 \coth ^{-1}(a x)^3-\frac {3 \coth ^{-1}(a x)^2 \log \left (\frac {2}{1-a x}\right )}{5 a^5}+\frac {3 \int \coth ^{-1}(a x) \, dx}{10 a^4}-\frac {3 \int \frac {\coth ^{-1}(a x)}{1-a^2 x^2} \, dx}{10 a^4}+\frac {3 \int \coth ^{-1}(a x) \, dx}{5 a^4}-\frac {3 \int \frac {\coth ^{-1}(a x)}{1-a^2 x^2} \, dx}{5 a^4}+\frac {6 \int \frac {\coth ^{-1}(a x) \log \left (\frac {2}{1-a x}\right )}{1-a^2 x^2} \, dx}{5 a^4}-\frac {\int \frac {x^3}{1-a^2 x^2} \, dx}{10 a}\\ &=\frac {9 x \coth ^{-1}(a x)}{10 a^4}+\frac {x^3 \coth ^{-1}(a x)}{10 a^2}-\frac {9 \coth ^{-1}(a x)^2}{20 a^5}+\frac {3 x^2 \coth ^{-1}(a x)^2}{10 a^3}+\frac {3 x^4 \coth ^{-1}(a x)^2}{20 a}+\frac {\coth ^{-1}(a x)^3}{5 a^5}+\frac {1}{5} x^5 \coth ^{-1}(a x)^3-\frac {3 \coth ^{-1}(a x)^2 \log \left (\frac {2}{1-a x}\right )}{5 a^5}-\frac {3 \coth ^{-1}(a x) \text {Li}_2\left (1-\frac {2}{1-a x}\right )}{5 a^5}+\frac {3 \int \frac {\text {Li}_2\left (1-\frac {2}{1-a x}\right )}{1-a^2 x^2} \, dx}{5 a^4}-\frac {3 \int \frac {x}{1-a^2 x^2} \, dx}{10 a^3}-\frac {3 \int \frac {x}{1-a^2 x^2} \, dx}{5 a^3}-\frac {\operatorname {Subst}\left (\int \frac {x}{1-a^2 x} \, dx,x,x^2\right )}{20 a}\\ &=\frac {9 x \coth ^{-1}(a x)}{10 a^4}+\frac {x^3 \coth ^{-1}(a x)}{10 a^2}-\frac {9 \coth ^{-1}(a x)^2}{20 a^5}+\frac {3 x^2 \coth ^{-1}(a x)^2}{10 a^3}+\frac {3 x^4 \coth ^{-1}(a x)^2}{20 a}+\frac {\coth ^{-1}(a x)^3}{5 a^5}+\frac {1}{5} x^5 \coth ^{-1}(a x)^3-\frac {3 \coth ^{-1}(a x)^2 \log \left (\frac {2}{1-a x}\right )}{5 a^5}+\frac {9 \log \left (1-a^2 x^2\right )}{20 a^5}-\frac {3 \coth ^{-1}(a x) \text {Li}_2\left (1-\frac {2}{1-a x}\right )}{5 a^5}+\frac {3 \text {Li}_3\left (1-\frac {2}{1-a x}\right )}{10 a^5}-\frac {\operatorname {Subst}\left (\int \left (-\frac {1}{a^2}-\frac {1}{a^2 \left (-1+a^2 x\right )}\right ) \, dx,x,x^2\right )}{20 a}\\ &=\frac {x^2}{20 a^3}+\frac {9 x \coth ^{-1}(a x)}{10 a^4}+\frac {x^3 \coth ^{-1}(a x)}{10 a^2}-\frac {9 \coth ^{-1}(a x)^2}{20 a^5}+\frac {3 x^2 \coth ^{-1}(a x)^2}{10 a^3}+\frac {3 x^4 \coth ^{-1}(a x)^2}{20 a}+\frac {\coth ^{-1}(a x)^3}{5 a^5}+\frac {1}{5} x^5 \coth ^{-1}(a x)^3-\frac {3 \coth ^{-1}(a x)^2 \log \left (\frac {2}{1-a x}\right )}{5 a^5}+\frac {\log \left (1-a^2 x^2\right )}{2 a^5}-\frac {3 \coth ^{-1}(a x) \text {Li}_2\left (1-\frac {2}{1-a x}\right )}{5 a^5}+\frac {3 \text {Li}_3\left (1-\frac {2}{1-a x}\right )}{10 a^5}\\ \end {align*}

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Mathematica [C]  time = 0.59, size = 175, normalized size = 0.89 \[ \frac {8 a^5 x^5 \coth ^{-1}(a x)^3+6 a^4 x^4 \coth ^{-1}(a x)^2+4 a^3 x^3 \coth ^{-1}(a x)+2 a^2 x^2-40 \log \left (\frac {1}{a x \sqrt {1-\frac {1}{a^2 x^2}}}\right )+12 a^2 x^2 \coth ^{-1}(a x)^2-24 \coth ^{-1}(a x) \text {Li}_2\left (e^{2 \coth ^{-1}(a x)}\right )+12 \text {Li}_3\left (e^{2 \coth ^{-1}(a x)}\right )+36 a x \coth ^{-1}(a x)+8 \coth ^{-1}(a x)^3-18 \coth ^{-1}(a x)^2-24 \coth ^{-1}(a x)^2 \log \left (1-e^{2 \coth ^{-1}(a x)}\right )-i \pi ^3-2}{40 a^5} \]

Warning: Unable to verify antiderivative.

[In]

Integrate[x^4*ArcCoth[a*x]^3,x]

[Out]

(-2 - I*Pi^3 + 2*a^2*x^2 + 36*a*x*ArcCoth[a*x] + 4*a^3*x^3*ArcCoth[a*x] - 18*ArcCoth[a*x]^2 + 12*a^2*x^2*ArcCo
th[a*x]^2 + 6*a^4*x^4*ArcCoth[a*x]^2 + 8*ArcCoth[a*x]^3 + 8*a^5*x^5*ArcCoth[a*x]^3 - 24*ArcCoth[a*x]^2*Log[1 -
E^(2*ArcCoth[a*x])] - 40*Log[1/(a*Sqrt[1 - 1/(a^2*x^2)]*x)] - 24*ArcCoth[a*x]*PolyLog[2, E^(2*ArcCoth[a*x])]
+ 12*PolyLog[3, E^(2*ArcCoth[a*x])])/(40*a^5)

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fricas [F]  time = 1.95, size = 0, normalized size = 0.00 \[ {\rm integral}\left (x^{4} \operatorname {arcoth}\left (a x\right )^{3}, x\right ) \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^4*arccoth(a*x)^3,x, algorithm="fricas")

[Out]

integral(x^4*arccoth(a*x)^3, x)

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giac [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int x^{4} \operatorname {arcoth}\left (a x\right )^{3}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^4*arccoth(a*x)^3,x, algorithm="giac")

[Out]

integrate(x^4*arccoth(a*x)^3, x)

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maple [C]  time = 2.92, size = 806, normalized size = 4.11 \[ \text {result too large to display} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x^4*arccoth(a*x)^3,x)

[Out]

-9/20*arccoth(a*x)^2/a^5+1/5*arccoth(a*x)^3/a^5+1/10*x^3*arccoth(a*x)/a^2+3/10*x^2*arccoth(a*x)^2/a^3+3/20*x^4
*arccoth(a*x)^2/a+9/10*x*arccoth(a*x)/a^4-1/20/a^5+1/5*x^5*arccoth(a*x)^3+1/20*x^2/a^3+3/10/a^5*arccoth(a*x)^2
*ln(a*x+1)-3/5/a^5*arccoth(a*x)^2*ln(1-1/((a*x-1)/(a*x+1))^(1/2))-6/5/a^5*arccoth(a*x)*polylog(2,1/((a*x-1)/(a
*x+1))^(1/2))-3/5/a^5*arccoth(a*x)^2*ln(1+1/((a*x-1)/(a*x+1))^(1/2))-6/5/a^5*arccoth(a*x)*polylog(2,-1/((a*x-1
)/(a*x+1))^(1/2))+3/5/a^5*arccoth(a*x)^2*ln((a*x+1)/(a*x-1)-1)+3/10/a^5*arccoth(a*x)^2*ln((a*x-1)/(a*x+1))+3/2
0*I/a^5*Pi*csgn(I*(a*x+1)/(a*x-1))*csgn(I/((a*x+1)/(a*x-1)-1))*csgn(I*(a*x+1)/(a*x-1)/((a*x+1)/(a*x-1)-1))*arc
coth(a*x)^2+1/a^5*arccoth(a*x)-1/a^5*ln(1+1/((a*x-1)/(a*x+1))^(1/2))-1/a^5*ln(1/((a*x-1)/(a*x+1))^(1/2)-1)+6/5
/a^5*polylog(3,-1/((a*x-1)/(a*x+1))^(1/2))+6/5/a^5*polylog(3,1/((a*x-1)/(a*x+1))^(1/2))+3/20*I/a^5*Pi*csgn(I*(
a*x+1)/(a*x-1)/((a*x+1)/(a*x-1)-1))^3*arccoth(a*x)^2+3/20*I/a^5*Pi*csgn(I*(a*x+1)/(a*x-1))^3*arccoth(a*x)^2-3/
20*I/a^5*Pi*csgn(I/((a*x+1)/(a*x-1)-1))*csgn(I*(a*x+1)/(a*x-1)/((a*x+1)/(a*x-1)-1))^2*arccoth(a*x)^2-3/20*I/a^
5*Pi*csgn(I*(a*x+1)/(a*x-1))*csgn(I*(a*x+1)/(a*x-1)/((a*x+1)/(a*x-1)-1))^2*arccoth(a*x)^2+3/20*I/a^5*Pi*csgn(I
/((a*x-1)/(a*x+1))^(1/2))^2*csgn(I*(a*x+1)/(a*x-1))*arccoth(a*x)^2-3/10*I/a^5*Pi*csgn(I/((a*x-1)/(a*x+1))^(1/2
))*csgn(I*(a*x+1)/(a*x-1))^2*arccoth(a*x)^2-3/5/a^5*arccoth(a*x)^2*ln(2)+3/10/a^5*arccoth(a*x)^2*ln(a*x-1)

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maxima [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \frac {2 \, {\left (a^{5} x^{5} + 1\right )} \log \left (a x + 1\right )^{3} + 3 \, {\left (a^{4} x^{4} + 2 \, a^{2} x^{2} - 2 \, {\left (a^{5} x^{5} - 1\right )} \log \left (a x - 1\right )\right )} \log \left (a x + 1\right )^{2}}{80 \, a^{5}} + \frac {1}{8} \, \int -\frac {5 \, {\left (a^{5} x^{5} + a^{4} x^{4}\right )} \log \left (a x - 1\right )^{3} + 3 \, {\left (a^{4} x^{4} + 2 \, a^{2} x^{2} - 5 \, {\left (a^{5} x^{5} + a^{4} x^{4}\right )} \log \left (a x - 1\right )^{2} - 2 \, {\left (a^{5} x^{5} - 1\right )} \log \left (a x - 1\right )\right )} \log \left (a x + 1\right )}{5 \, {\left (a^{5} x + a^{4}\right )}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^4*arccoth(a*x)^3,x, algorithm="maxima")

[Out]

1/80*(2*(a^5*x^5 + 1)*log(a*x + 1)^3 + 3*(a^4*x^4 + 2*a^2*x^2 - 2*(a^5*x^5 - 1)*log(a*x - 1))*log(a*x + 1)^2)/
a^5 + 1/8*integrate(-1/5*(5*(a^5*x^5 + a^4*x^4)*log(a*x - 1)^3 + 3*(a^4*x^4 + 2*a^2*x^2 - 5*(a^5*x^5 + a^4*x^4
)*log(a*x - 1)^2 - 2*(a^5*x^5 - 1)*log(a*x - 1))*log(a*x + 1))/(a^5*x + a^4), x)

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mupad [F]  time = 0.00, size = -1, normalized size = -0.01 \[ \int x^4\,{\mathrm {acoth}\left (a\,x\right )}^3 \,d x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x^4*acoth(a*x)^3,x)

[Out]

int(x^4*acoth(a*x)^3, x)

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sympy [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int x^{4} \operatorname {acoth}^{3}{\left (a x \right )}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x**4*acoth(a*x)**3,x)

[Out]

Integral(x**4*acoth(a*x)**3, x)

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