3.27 \(\int \frac {\sin ^{-1}(a x)^3}{x} \, dx\)

Optimal. Leaf size=97 \[ -\frac {3}{2} i \sin ^{-1}(a x)^2 \text {Li}_2\left (e^{2 i \sin ^{-1}(a x)}\right )+\frac {3}{2} \sin ^{-1}(a x) \text {Li}_3\left (e^{2 i \sin ^{-1}(a x)}\right )+\frac {3}{4} i \text {Li}_4\left (e^{2 i \sin ^{-1}(a x)}\right )-\frac {1}{4} i \sin ^{-1}(a x)^4+\sin ^{-1}(a x)^3 \log \left (1-e^{2 i \sin ^{-1}(a x)}\right ) \]

[Out]

-1/4*I*arcsin(a*x)^4+arcsin(a*x)^3*ln(1-(I*a*x+(-a^2*x^2+1)^(1/2))^2)-3/2*I*arcsin(a*x)^2*polylog(2,(I*a*x+(-a
^2*x^2+1)^(1/2))^2)+3/2*arcsin(a*x)*polylog(3,(I*a*x+(-a^2*x^2+1)^(1/2))^2)+3/4*I*polylog(4,(I*a*x+(-a^2*x^2+1
)^(1/2))^2)

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Rubi [A]  time = 0.11, antiderivative size = 97, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 7, integrand size = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.700, Rules used = {4625, 3717, 2190, 2531, 6609, 2282, 6589} \[ -\frac {3}{2} i \sin ^{-1}(a x)^2 \text {PolyLog}\left (2,e^{2 i \sin ^{-1}(a x)}\right )+\frac {3}{2} \sin ^{-1}(a x) \text {PolyLog}\left (3,e^{2 i \sin ^{-1}(a x)}\right )+\frac {3}{4} i \text {PolyLog}\left (4,e^{2 i \sin ^{-1}(a x)}\right )-\frac {1}{4} i \sin ^{-1}(a x)^4+\sin ^{-1}(a x)^3 \log \left (1-e^{2 i \sin ^{-1}(a x)}\right ) \]

Antiderivative was successfully verified.

[In]

Int[ArcSin[a*x]^3/x,x]

[Out]

(-I/4)*ArcSin[a*x]^4 + ArcSin[a*x]^3*Log[1 - E^((2*I)*ArcSin[a*x])] - ((3*I)/2)*ArcSin[a*x]^2*PolyLog[2, E^((2
*I)*ArcSin[a*x])] + (3*ArcSin[a*x]*PolyLog[3, E^((2*I)*ArcSin[a*x])])/2 + ((3*I)/4)*PolyLog[4, E^((2*I)*ArcSin
[a*x])]

Rule 2190

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

Rule 2282

Int[u_, x_Symbol] :> With[{v = FunctionOfExponential[u, x]}, Dist[v/D[v, x], Subst[Int[FunctionOfExponentialFu
nction[u, x]/x, x], x, v], x]] /; FunctionOfExponentialQ[u, x] &&  !MatchQ[u, (w_)*((a_.)*(v_)^(n_))^(m_) /; F
reeQ[{a, m, n}, x] && IntegerQ[m*n]] &&  !MatchQ[u, E^((c_.)*((a_.) + (b_.)*x))*(F_)[v_] /; FreeQ[{a, b, c}, x
] && InverseFunctionQ[F[x]]]

Rule 2531

Int[Log[1 + (e_.)*((F_)^((c_.)*((a_.) + (b_.)*(x_))))^(n_.)]*((f_.) + (g_.)*(x_))^(m_.), x_Symbol] :> -Simp[((
f + g*x)^m*PolyLog[2, -(e*(F^(c*(a + b*x)))^n)])/(b*c*n*Log[F]), x] + Dist[(g*m)/(b*c*n*Log[F]), Int[(f + g*x)
^(m - 1)*PolyLog[2, -(e*(F^(c*(a + b*x)))^n)], x], x] /; FreeQ[{F, a, b, c, e, f, g, n}, x] && GtQ[m, 0]

Rule 3717

Int[((c_.) + (d_.)*(x_))^(m_.)*tan[(e_.) + Pi*(k_.) + (f_.)*(x_)], x_Symbol] :> Simp[(I*(c + d*x)^(m + 1))/(d*
(m + 1)), x] - Dist[2*I, Int[((c + d*x)^m*E^(2*I*k*Pi)*E^(2*I*(e + f*x)))/(1 + E^(2*I*k*Pi)*E^(2*I*(e + f*x)))
, x], x] /; FreeQ[{c, d, e, f}, x] && IntegerQ[4*k] && IGtQ[m, 0]

Rule 4625

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

Rule 6589

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]

Rule 6609

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

Rubi steps

\begin {align*} \int \frac {\sin ^{-1}(a x)^3}{x} \, dx &=\operatorname {Subst}\left (\int x^3 \cot (x) \, dx,x,\sin ^{-1}(a x)\right )\\ &=-\frac {1}{4} i \sin ^{-1}(a x)^4-2 i \operatorname {Subst}\left (\int \frac {e^{2 i x} x^3}{1-e^{2 i x}} \, dx,x,\sin ^{-1}(a x)\right )\\ &=-\frac {1}{4} i \sin ^{-1}(a x)^4+\sin ^{-1}(a x)^3 \log \left (1-e^{2 i \sin ^{-1}(a x)}\right )-3 \operatorname {Subst}\left (\int x^2 \log \left (1-e^{2 i x}\right ) \, dx,x,\sin ^{-1}(a x)\right )\\ &=-\frac {1}{4} i \sin ^{-1}(a x)^4+\sin ^{-1}(a x)^3 \log \left (1-e^{2 i \sin ^{-1}(a x)}\right )-\frac {3}{2} i \sin ^{-1}(a x)^2 \text {Li}_2\left (e^{2 i \sin ^{-1}(a x)}\right )+3 i \operatorname {Subst}\left (\int x \text {Li}_2\left (e^{2 i x}\right ) \, dx,x,\sin ^{-1}(a x)\right )\\ &=-\frac {1}{4} i \sin ^{-1}(a x)^4+\sin ^{-1}(a x)^3 \log \left (1-e^{2 i \sin ^{-1}(a x)}\right )-\frac {3}{2} i \sin ^{-1}(a x)^2 \text {Li}_2\left (e^{2 i \sin ^{-1}(a x)}\right )+\frac {3}{2} \sin ^{-1}(a x) \text {Li}_3\left (e^{2 i \sin ^{-1}(a x)}\right )-\frac {3}{2} \operatorname {Subst}\left (\int \text {Li}_3\left (e^{2 i x}\right ) \, dx,x,\sin ^{-1}(a x)\right )\\ &=-\frac {1}{4} i \sin ^{-1}(a x)^4+\sin ^{-1}(a x)^3 \log \left (1-e^{2 i \sin ^{-1}(a x)}\right )-\frac {3}{2} i \sin ^{-1}(a x)^2 \text {Li}_2\left (e^{2 i \sin ^{-1}(a x)}\right )+\frac {3}{2} \sin ^{-1}(a x) \text {Li}_3\left (e^{2 i \sin ^{-1}(a x)}\right )+\frac {3}{4} i \operatorname {Subst}\left (\int \frac {\text {Li}_3(x)}{x} \, dx,x,e^{2 i \sin ^{-1}(a x)}\right )\\ &=-\frac {1}{4} i \sin ^{-1}(a x)^4+\sin ^{-1}(a x)^3 \log \left (1-e^{2 i \sin ^{-1}(a x)}\right )-\frac {3}{2} i \sin ^{-1}(a x)^2 \text {Li}_2\left (e^{2 i \sin ^{-1}(a x)}\right )+\frac {3}{2} \sin ^{-1}(a x) \text {Li}_3\left (e^{2 i \sin ^{-1}(a x)}\right )+\frac {3}{4} i \text {Li}_4\left (e^{2 i \sin ^{-1}(a x)}\right )\\ \end {align*}

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Mathematica [A]  time = 0.06, size = 97, normalized size = 1.00 \[ -\frac {1}{64} i \left (-96 \sin ^{-1}(a x)^2 \text {Li}_2\left (e^{-2 i \sin ^{-1}(a x)}\right )+96 i \sin ^{-1}(a x) \text {Li}_3\left (e^{-2 i \sin ^{-1}(a x)}\right )+48 \text {Li}_4\left (e^{-2 i \sin ^{-1}(a x)}\right )-16 \sin ^{-1}(a x)^4+64 i \sin ^{-1}(a x)^3 \log \left (1-e^{-2 i \sin ^{-1}(a x)}\right )+\pi ^4\right ) \]

Warning: Unable to verify antiderivative.

[In]

Integrate[ArcSin[a*x]^3/x,x]

[Out]

(-1/64*I)*(Pi^4 - 16*ArcSin[a*x]^4 + (64*I)*ArcSin[a*x]^3*Log[1 - E^((-2*I)*ArcSin[a*x])] - 96*ArcSin[a*x]^2*P
olyLog[2, E^((-2*I)*ArcSin[a*x])] + (96*I)*ArcSin[a*x]*PolyLog[3, E^((-2*I)*ArcSin[a*x])] + 48*PolyLog[4, E^((
-2*I)*ArcSin[a*x])])

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fricas [F]  time = 0.48, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\frac {\arcsin \left (a x\right )^{3}}{x}, x\right ) \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(arcsin(a*x)^3/x,x, algorithm="fricas")

[Out]

integral(arcsin(a*x)^3/x, x)

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

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(arcsin(a*x)^3/x,x, algorithm="giac")

[Out]

integrate(arcsin(a*x)^3/x, x)

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maple [A]  time = 0.06, size = 229, normalized size = 2.36 \[ -\frac {i \arcsin \left (a x \right )^{4}}{4}+\arcsin \left (a x \right )^{3} \ln \left (1+i a x +\sqrt {-a^{2} x^{2}+1}\right )-3 i \arcsin \left (a x \right )^{2} \polylog \left (2, -i a x -\sqrt {-a^{2} x^{2}+1}\right )+6 \arcsin \left (a x \right ) \polylog \left (3, -i a x -\sqrt {-a^{2} x^{2}+1}\right )+6 i \polylog \left (4, -i a x -\sqrt {-a^{2} x^{2}+1}\right )+\arcsin \left (a x \right )^{3} \ln \left (1-i a x -\sqrt {-a^{2} x^{2}+1}\right )-3 i \arcsin \left (a x \right )^{2} \polylog \left (2, i a x +\sqrt {-a^{2} x^{2}+1}\right )+6 \arcsin \left (a x \right ) \polylog \left (3, i a x +\sqrt {-a^{2} x^{2}+1}\right )+6 i \polylog \left (4, i a x +\sqrt {-a^{2} x^{2}+1}\right ) \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(arcsin(a*x)^3/x,x)

[Out]

-1/4*I*arcsin(a*x)^4+arcsin(a*x)^3*ln(1+I*a*x+(-a^2*x^2+1)^(1/2))-3*I*arcsin(a*x)^2*polylog(2,-I*a*x-(-a^2*x^2
+1)^(1/2))+6*arcsin(a*x)*polylog(3,-I*a*x-(-a^2*x^2+1)^(1/2))+6*I*polylog(4,-I*a*x-(-a^2*x^2+1)^(1/2))+arcsin(
a*x)^3*ln(1-I*a*x-(-a^2*x^2+1)^(1/2))-3*I*arcsin(a*x)^2*polylog(2,I*a*x+(-a^2*x^2+1)^(1/2))+6*arcsin(a*x)*poly
log(3,I*a*x+(-a^2*x^2+1)^(1/2))+6*I*polylog(4,I*a*x+(-a^2*x^2+1)^(1/2))

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maxima [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {\arcsin \left (a x\right )^{3}}{x}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(arcsin(a*x)^3/x,x, algorithm="maxima")

[Out]

integrate(arcsin(a*x)^3/x, x)

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

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(asin(a*x)^3/x,x)

[Out]

int(asin(a*x)^3/x, x)

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

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(asin(a*x)**3/x,x)

[Out]

Integral(asin(a*x)**3/x, x)

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