3.2.27 \(\int \frac {(a+b \tanh ^{-1}(c x^3))^3}{x} \, dx\) [127]

Optimal. Leaf size=210 \[ \frac {2}{3} \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^3 \tanh ^{-1}\left (1-\frac {2}{1-c x^3}\right )-\frac {1}{2} b \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2 \text {PolyLog}\left (2,1-\frac {2}{1-c x^3}\right )+\frac {1}{2} b \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2 \text {PolyLog}\left (2,-1+\frac {2}{1-c x^3}\right )+\frac {1}{2} b^2 \left (a+b \tanh ^{-1}\left (c x^3\right )\right ) \text {PolyLog}\left (3,1-\frac {2}{1-c x^3}\right )-\frac {1}{2} b^2 \left (a+b \tanh ^{-1}\left (c x^3\right )\right ) \text {PolyLog}\left (3,-1+\frac {2}{1-c x^3}\right )-\frac {1}{4} b^3 \text {PolyLog}\left (4,1-\frac {2}{1-c x^3}\right )+\frac {1}{4} b^3 \text {PolyLog}\left (4,-1+\frac {2}{1-c x^3}\right ) \]

[Out]

-2/3*(a+b*arctanh(c*x^3))^3*arctanh(-1+2/(-c*x^3+1))-1/2*b*(a+b*arctanh(c*x^3))^2*polylog(2,1-2/(-c*x^3+1))+1/
2*b*(a+b*arctanh(c*x^3))^2*polylog(2,-1+2/(-c*x^3+1))+1/2*b^2*(a+b*arctanh(c*x^3))*polylog(3,1-2/(-c*x^3+1))-1
/2*b^2*(a+b*arctanh(c*x^3))*polylog(3,-1+2/(-c*x^3+1))-1/4*b^3*polylog(4,1-2/(-c*x^3+1))+1/4*b^3*polylog(4,-1+
2/(-c*x^3+1))

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Rubi [A]
time = 0.41, antiderivative size = 210, normalized size of antiderivative = 1.00, number of steps used = 9, number of rules used = 7, integrand size = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.438, Rules used = {6035, 6033, 6199, 6095, 6205, 6209, 6745} \begin {gather*} \frac {1}{2} b^2 \text {Li}_3\left (1-\frac {2}{1-c x^3}\right ) \left (a+b \tanh ^{-1}\left (c x^3\right )\right )-\frac {1}{2} b^2 \text {Li}_3\left (\frac {2}{1-c x^3}-1\right ) \left (a+b \tanh ^{-1}\left (c x^3\right )\right )-\frac {1}{2} b \text {Li}_2\left (1-\frac {2}{1-c x^3}\right ) \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2+\frac {1}{2} b \text {Li}_2\left (\frac {2}{1-c x^3}-1\right ) \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2+\frac {2}{3} \tanh ^{-1}\left (1-\frac {2}{1-c x^3}\right ) \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^3-\frac {1}{4} b^3 \text {Li}_4\left (1-\frac {2}{1-c x^3}\right )+\frac {1}{4} b^3 \text {Li}_4\left (\frac {2}{1-c x^3}-1\right ) \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(a + b*ArcTanh[c*x^3])^3/x,x]

[Out]

(2*(a + b*ArcTanh[c*x^3])^3*ArcTanh[1 - 2/(1 - c*x^3)])/3 - (b*(a + b*ArcTanh[c*x^3])^2*PolyLog[2, 1 - 2/(1 -
c*x^3)])/2 + (b*(a + b*ArcTanh[c*x^3])^2*PolyLog[2, -1 + 2/(1 - c*x^3)])/2 + (b^2*(a + b*ArcTanh[c*x^3])*PolyL
og[3, 1 - 2/(1 - c*x^3)])/2 - (b^2*(a + b*ArcTanh[c*x^3])*PolyLog[3, -1 + 2/(1 - c*x^3)])/2 - (b^3*PolyLog[4,
1 - 2/(1 - c*x^3)])/4 + (b^3*PolyLog[4, -1 + 2/(1 - c*x^3)])/4

Rule 6033

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

Rule 6035

Int[((a_.) + ArcTanh[(c_.)*(x_)^(n_)]*(b_.))^(p_.)/(x_), x_Symbol] :> Dist[1/n, Subst[Int[(a + b*ArcTanh[c*x])
^p/x, x], x, x^n], x] /; FreeQ[{a, b, c, n}, x] && IGtQ[p, 0]

Rule 6095

Int[((a_.) + ArcTanh[(c_.)*(x_)]*(b_.))^(p_.)/((d_) + (e_.)*(x_)^2), x_Symbol] :> Simp[(a + b*ArcTanh[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 6199

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

Rule 6205

Int[(Log[u_]*((a_.) + ArcTanh[(c_.)*(x_)]*(b_.))^(p_.))/((d_) + (e_.)*(x_)^2), x_Symbol] :> Simp[(-(a + b*ArcT
anh[c*x])^p)*(PolyLog[2, 1 - u]/(2*c*d)), x] + Dist[b*(p/2), Int[(a + b*ArcTanh[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 6209

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

Rule 6745

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 \frac {\left (a+b \tanh ^{-1}\left (c x^3\right )\right )^3}{x} \, dx &=\frac {1}{3} \text {Subst}\left (\int \frac {\left (a+b \tanh ^{-1}(c x)\right )^3}{x} \, dx,x,x^3\right )\\ &=\frac {2}{3} \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^3 \tanh ^{-1}\left (1-\frac {2}{1-c x^3}\right )-(2 b c) \text {Subst}\left (\int \frac {\left (a+b \tanh ^{-1}(c x)\right )^2 \tanh ^{-1}\left (1-\frac {2}{1-c x}\right )}{1-c^2 x^2} \, dx,x,x^3\right )\\ &=\frac {2}{3} \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^3 \tanh ^{-1}\left (1-\frac {2}{1-c x^3}\right )+(b c) \text {Subst}\left (\int \frac {\left (a+b \tanh ^{-1}(c x)\right )^2 \log \left (\frac {2}{1-c x}\right )}{1-c^2 x^2} \, dx,x,x^3\right )-(b c) \text {Subst}\left (\int \frac {\left (a+b \tanh ^{-1}(c x)\right )^2 \log \left (2-\frac {2}{1-c x}\right )}{1-c^2 x^2} \, dx,x,x^3\right )\\ &=\frac {2}{3} \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^3 \tanh ^{-1}\left (1-\frac {2}{1-c x^3}\right )-\frac {1}{2} b \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2 \text {Li}_2\left (1-\frac {2}{1-c x^3}\right )+\frac {1}{2} b \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2 \text {Li}_2\left (-1+\frac {2}{1-c x^3}\right )+\left (b^2 c\right ) \text {Subst}\left (\int \frac {\left (a+b \tanh ^{-1}(c x)\right ) \text {Li}_2\left (1-\frac {2}{1-c x}\right )}{1-c^2 x^2} \, dx,x,x^3\right )-\left (b^2 c\right ) \text {Subst}\left (\int \frac {\left (a+b \tanh ^{-1}(c x)\right ) \text {Li}_2\left (-1+\frac {2}{1-c x}\right )}{1-c^2 x^2} \, dx,x,x^3\right )\\ &=\frac {2}{3} \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^3 \tanh ^{-1}\left (1-\frac {2}{1-c x^3}\right )-\frac {1}{2} b \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2 \text {Li}_2\left (1-\frac {2}{1-c x^3}\right )+\frac {1}{2} b \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2 \text {Li}_2\left (-1+\frac {2}{1-c x^3}\right )+\frac {1}{2} b^2 \left (a+b \tanh ^{-1}\left (c x^3\right )\right ) \text {Li}_3\left (1-\frac {2}{1-c x^3}\right )-\frac {1}{2} b^2 \left (a+b \tanh ^{-1}\left (c x^3\right )\right ) \text {Li}_3\left (-1+\frac {2}{1-c x^3}\right )-\frac {1}{2} \left (b^3 c\right ) \text {Subst}\left (\int \frac {\text {Li}_3\left (1-\frac {2}{1-c x}\right )}{1-c^2 x^2} \, dx,x,x^3\right )+\frac {1}{2} \left (b^3 c\right ) \text {Subst}\left (\int \frac {\text {Li}_3\left (-1+\frac {2}{1-c x}\right )}{1-c^2 x^2} \, dx,x,x^3\right )\\ &=\frac {2}{3} \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^3 \tanh ^{-1}\left (1-\frac {2}{1-c x^3}\right )-\frac {1}{2} b \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2 \text {Li}_2\left (1-\frac {2}{1-c x^3}\right )+\frac {1}{2} b \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2 \text {Li}_2\left (-1+\frac {2}{1-c x^3}\right )+\frac {1}{2} b^2 \left (a+b \tanh ^{-1}\left (c x^3\right )\right ) \text {Li}_3\left (1-\frac {2}{1-c x^3}\right )-\frac {1}{2} b^2 \left (a+b \tanh ^{-1}\left (c x^3\right )\right ) \text {Li}_3\left (-1+\frac {2}{1-c x^3}\right )-\frac {1}{4} b^3 \text {Li}_4\left (1-\frac {2}{1-c x^3}\right )+\frac {1}{4} b^3 \text {Li}_4\left (-1+\frac {2}{1-c x^3}\right )\\ \end {align*}

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Mathematica [A]
time = 0.12, size = 214, normalized size = 1.02 \begin {gather*} \frac {2}{3} \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^3 \tanh ^{-1}\left (1+\frac {2}{-1+c x^3}\right )+\frac {1}{4} b \left (2 \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2 \text {PolyLog}\left (2,\frac {1+c x^3}{1-c x^3}\right )-2 \left (a+b \tanh ^{-1}\left (c x^3\right )\right )^2 \text {PolyLog}\left (2,\frac {1+c x^3}{-1+c x^3}\right )+b \left (-2 \left (a+b \tanh ^{-1}\left (c x^3\right )\right ) \text {PolyLog}\left (3,\frac {1+c x^3}{1-c x^3}\right )+2 \left (a+b \tanh ^{-1}\left (c x^3\right )\right ) \text {PolyLog}\left (3,\frac {1+c x^3}{-1+c x^3}\right )+b \left (\text {PolyLog}\left (4,\frac {1+c x^3}{1-c x^3}\right )-\text {PolyLog}\left (4,\frac {1+c x^3}{-1+c x^3}\right )\right )\right )\right ) \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(a + b*ArcTanh[c*x^3])^3/x,x]

[Out]

(2*(a + b*ArcTanh[c*x^3])^3*ArcTanh[1 + 2/(-1 + c*x^3)])/3 + (b*(2*(a + b*ArcTanh[c*x^3])^2*PolyLog[2, (1 + c*
x^3)/(1 - c*x^3)] - 2*(a + b*ArcTanh[c*x^3])^2*PolyLog[2, (1 + c*x^3)/(-1 + c*x^3)] + b*(-2*(a + b*ArcTanh[c*x
^3])*PolyLog[3, (1 + c*x^3)/(1 - c*x^3)] + 2*(a + b*ArcTanh[c*x^3])*PolyLog[3, (1 + c*x^3)/(-1 + c*x^3)] + b*(
PolyLog[4, (1 + c*x^3)/(1 - c*x^3)] - PolyLog[4, (1 + c*x^3)/(-1 + c*x^3)]))))/4

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Maple [F]
time = 0.03, size = 0, normalized size = 0.00 \[\int \frac {\left (a +b \arctanh \left (c \,x^{3}\right )\right )^{3}}{x}\, dx\]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a+b*arctanh(c*x^3))^3/x,x)

[Out]

int((a+b*arctanh(c*x^3))^3/x,x)

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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*arctanh(c*x^3))^3/x,x, algorithm="maxima")

[Out]

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

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Fricas [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*arctanh(c*x^3))^3/x,x, algorithm="fricas")

[Out]

integral((b^3*arctanh(c*x^3)^3 + 3*a*b^2*arctanh(c*x^3)^2 + 3*a^2*b*arctanh(c*x^3) + a^3)/x, x)

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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\left (a + b \operatorname {atanh}{\left (c x^{3} \right )}\right )^{3}}{x}\, dx \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*atanh(c*x**3))**3/x,x)

[Out]

Integral((a + b*atanh(c*x**3))**3/x, x)

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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*arctanh(c*x^3))^3/x,x, algorithm="giac")

[Out]

integrate((b*arctanh(c*x^3) + a)^3/x, x)

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Mupad [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int \frac {{\left (a+b\,\mathrm {atanh}\left (c\,x^3\right )\right )}^3}{x} \,d x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a + b*atanh(c*x^3))^3/x,x)

[Out]

int((a + b*atanh(c*x^3))^3/x, x)

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