3.30 \(\int \frac {(a+b \csc ^{-1}(c x))^3}{x^3} \, dx\)

Optimal. Leaf size=125 \[ \frac {3 b^2 \left (a+b \csc ^{-1}(c x)\right )}{4 x^2}-\frac {3 b c \sqrt {1-\frac {1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2}{4 x}+\frac {1}{4} c^2 \left (a+b \csc ^{-1}(c x)\right )^3-\frac {\left (a+b \csc ^{-1}(c x)\right )^3}{2 x^2}+\frac {3 b^3 c \sqrt {1-\frac {1}{c^2 x^2}}}{8 x}-\frac {3}{8} b^3 c^2 \csc ^{-1}(c x) \]

[Out]

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

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Rubi [A]  time = 0.10, antiderivative size = 125, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.429, Rules used = {5223, 4404, 3311, 32, 2635, 8} \[ \frac {3 b^2 \left (a+b \csc ^{-1}(c x)\right )}{4 x^2}-\frac {3 b c \sqrt {1-\frac {1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2}{4 x}+\frac {1}{4} c^2 \left (a+b \csc ^{-1}(c x)\right )^3-\frac {\left (a+b \csc ^{-1}(c x)\right )^3}{2 x^2}+\frac {3 b^3 c \sqrt {1-\frac {1}{c^2 x^2}}}{8 x}-\frac {3}{8} b^3 c^2 \csc ^{-1}(c x) \]

Antiderivative was successfully verified.

[In]

Int[(a + b*ArcCsc[c*x])^3/x^3,x]

[Out]

(3*b^3*c*Sqrt[1 - 1/(c^2*x^2)])/(8*x) - (3*b^3*c^2*ArcCsc[c*x])/8 + (3*b^2*(a + b*ArcCsc[c*x]))/(4*x^2) - (3*b
*c*Sqrt[1 - 1/(c^2*x^2)]*(a + b*ArcCsc[c*x])^2)/(4*x) + (c^2*(a + b*ArcCsc[c*x])^3)/4 - (a + b*ArcCsc[c*x])^3/
(2*x^2)

Rule 8

Int[a_, x_Symbol] :> Simp[a*x, x] /; FreeQ[a, x]

Rule 32

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

Rule 2635

Int[((b_.)*sin[(c_.) + (d_.)*(x_)])^(n_), x_Symbol] :> -Simp[(b*Cos[c + d*x]*(b*Sin[c + d*x])^(n - 1))/(d*n),
x] + Dist[(b^2*(n - 1))/n, Int[(b*Sin[c + d*x])^(n - 2), x], x] /; FreeQ[{b, c, d}, x] && GtQ[n, 1] && Integer
Q[2*n]

Rule 3311

Int[((c_.) + (d_.)*(x_))^(m_)*((b_.)*sin[(e_.) + (f_.)*(x_)])^(n_), x_Symbol] :> Simp[(d*m*(c + d*x)^(m - 1)*(
b*Sin[e + f*x])^n)/(f^2*n^2), x] + (Dist[(b^2*(n - 1))/n, Int[(c + d*x)^m*(b*Sin[e + f*x])^(n - 2), x], x] - D
ist[(d^2*m*(m - 1))/(f^2*n^2), Int[(c + d*x)^(m - 2)*(b*Sin[e + f*x])^n, x], x] - Simp[(b*(c + d*x)^m*Cos[e +
f*x]*(b*Sin[e + f*x])^(n - 1))/(f*n), x]) /; FreeQ[{b, c, d, e, f}, x] && GtQ[n, 1] && GtQ[m, 1]

Rule 4404

Int[Cos[(a_.) + (b_.)*(x_)]*((c_.) + (d_.)*(x_))^(m_.)*Sin[(a_.) + (b_.)*(x_)]^(n_.), x_Symbol] :> Simp[((c +
d*x)^m*Sin[a + b*x]^(n + 1))/(b*(n + 1)), x] - Dist[(d*m)/(b*(n + 1)), Int[(c + d*x)^(m - 1)*Sin[a + b*x]^(n +
1), x], x] /; FreeQ[{a, b, c, d, n}, x] && IGtQ[m, 0] && NeQ[n, -1]

Rule 5223

Int[((a_.) + ArcCsc[(c_.)*(x_)]*(b_.))^(n_)*(x_)^(m_.), x_Symbol] :> -Dist[(c^(m + 1))^(-1), Subst[Int[(a + b*
x)^n*Csc[x]^(m + 1)*Cot[x], x], x, ArcCsc[c*x]], x] /; FreeQ[{a, b, c}, x] && IntegerQ[n] && IntegerQ[m] && (G
tQ[n, 0] || LtQ[m, -1])

Rubi steps

\begin {align*} \int \frac {\left (a+b \csc ^{-1}(c x)\right )^3}{x^3} \, dx &=-\left (c^2 \operatorname {Subst}\left (\int (a+b x)^3 \cos (x) \sin (x) \, dx,x,\csc ^{-1}(c x)\right )\right )\\ &=-\frac {\left (a+b \csc ^{-1}(c x)\right )^3}{2 x^2}+\frac {1}{2} \left (3 b c^2\right ) \operatorname {Subst}\left (\int (a+b x)^2 \sin ^2(x) \, dx,x,\csc ^{-1}(c x)\right )\\ &=\frac {3 b^2 \left (a+b \csc ^{-1}(c x)\right )}{4 x^2}-\frac {3 b c \sqrt {1-\frac {1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2}{4 x}-\frac {\left (a+b \csc ^{-1}(c x)\right )^3}{2 x^2}+\frac {1}{4} \left (3 b c^2\right ) \operatorname {Subst}\left (\int (a+b x)^2 \, dx,x,\csc ^{-1}(c x)\right )-\frac {1}{4} \left (3 b^3 c^2\right ) \operatorname {Subst}\left (\int \sin ^2(x) \, dx,x,\csc ^{-1}(c x)\right )\\ &=\frac {3 b^3 c \sqrt {1-\frac {1}{c^2 x^2}}}{8 x}+\frac {3 b^2 \left (a+b \csc ^{-1}(c x)\right )}{4 x^2}-\frac {3 b c \sqrt {1-\frac {1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2}{4 x}+\frac {1}{4} c^2 \left (a+b \csc ^{-1}(c x)\right )^3-\frac {\left (a+b \csc ^{-1}(c x)\right )^3}{2 x^2}-\frac {1}{8} \left (3 b^3 c^2\right ) \operatorname {Subst}\left (\int 1 \, dx,x,\csc ^{-1}(c x)\right )\\ &=\frac {3 b^3 c \sqrt {1-\frac {1}{c^2 x^2}}}{8 x}-\frac {3}{8} b^3 c^2 \csc ^{-1}(c x)+\frac {3 b^2 \left (a+b \csc ^{-1}(c x)\right )}{4 x^2}-\frac {3 b c \sqrt {1-\frac {1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2}{4 x}+\frac {1}{4} c^2 \left (a+b \csc ^{-1}(c x)\right )^3-\frac {\left (a+b \csc ^{-1}(c x)\right )^3}{2 x^2}\\ \end {align*}

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Mathematica [A]  time = 0.22, size = 186, normalized size = 1.49 \[ \frac {-4 a^3-3 b c^2 x^2 \left (b^2-2 a^2\right ) \sin ^{-1}\left (\frac {1}{c x}\right )+6 b \csc ^{-1}(c x) \left (-2 a^2-2 a b c x \sqrt {1-\frac {1}{c^2 x^2}}+b^2\right )-6 a^2 b c x \sqrt {1-\frac {1}{c^2 x^2}}-6 b^2 \csc ^{-1}(c x)^2 \left (a \left (2-c^2 x^2\right )+b c x \sqrt {1-\frac {1}{c^2 x^2}}\right )+6 a b^2+3 b^3 c x \sqrt {1-\frac {1}{c^2 x^2}}+2 b^3 \left (c^2 x^2-2\right ) \csc ^{-1}(c x)^3}{8 x^2} \]

Antiderivative was successfully verified.

[In]

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

[Out]

(-4*a^3 + 6*a*b^2 - 6*a^2*b*c*Sqrt[1 - 1/(c^2*x^2)]*x + 3*b^3*c*Sqrt[1 - 1/(c^2*x^2)]*x + 6*b*(-2*a^2 + b^2 -
2*a*b*c*Sqrt[1 - 1/(c^2*x^2)]*x)*ArcCsc[c*x] - 6*b^2*(b*c*Sqrt[1 - 1/(c^2*x^2)]*x + a*(2 - c^2*x^2))*ArcCsc[c*
x]^2 + 2*b^3*(-2 + c^2*x^2)*ArcCsc[c*x]^3 - 3*b*(-2*a^2 + b^2)*c^2*x^2*ArcSin[1/(c*x)])/(8*x^2)

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fricas [A]  time = 1.56, size = 150, normalized size = 1.20 \[ \frac {2 \, {\left (b^{3} c^{2} x^{2} - 2 \, b^{3}\right )} \operatorname {arccsc}\left (c x\right )^{3} - 4 \, a^{3} + 6 \, a b^{2} + 6 \, {\left (a b^{2} c^{2} x^{2} - 2 \, a b^{2}\right )} \operatorname {arccsc}\left (c x\right )^{2} + 3 \, {\left ({\left (2 \, a^{2} b - b^{3}\right )} c^{2} x^{2} - 4 \, a^{2} b + 2 \, b^{3}\right )} \operatorname {arccsc}\left (c x\right ) - 3 \, {\left (2 \, b^{3} \operatorname {arccsc}\left (c x\right )^{2} + 4 \, a b^{2} \operatorname {arccsc}\left (c x\right ) + 2 \, a^{2} b - b^{3}\right )} \sqrt {c^{2} x^{2} - 1}}{8 \, x^{2}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

1/8*(2*(b^3*c^2*x^2 - 2*b^3)*arccsc(c*x)^3 - 4*a^3 + 6*a*b^2 + 6*(a*b^2*c^2*x^2 - 2*a*b^2)*arccsc(c*x)^2 + 3*(
(2*a^2*b - b^3)*c^2*x^2 - 4*a^2*b + 2*b^3)*arccsc(c*x) - 3*(2*b^3*arccsc(c*x)^2 + 4*a*b^2*arccsc(c*x) + 2*a^2*
b - b^3)*sqrt(c^2*x^2 - 1))/x^2

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giac [B]  time = 0.18, size = 302, normalized size = 2.42 \[ -\frac {1}{8} \, {\left (4 \, b^{3} c {\left (\frac {1}{c^{2} x^{2}} - 1\right )} \arcsin \left (\frac {1}{c x}\right )^{3} + 12 \, a b^{2} c {\left (\frac {1}{c^{2} x^{2}} - 1\right )} \arcsin \left (\frac {1}{c x}\right )^{2} + 2 \, b^{3} c \arcsin \left (\frac {1}{c x}\right )^{3} + 12 \, a^{2} b c {\left (\frac {1}{c^{2} x^{2}} - 1\right )} \arcsin \left (\frac {1}{c x}\right ) - 6 \, b^{3} c {\left (\frac {1}{c^{2} x^{2}} - 1\right )} \arcsin \left (\frac {1}{c x}\right ) + 6 \, a b^{2} c \arcsin \left (\frac {1}{c x}\right )^{2} + 4 \, a^{3} c {\left (\frac {1}{c^{2} x^{2}} - 1\right )} - 6 \, a b^{2} c {\left (\frac {1}{c^{2} x^{2}} - 1\right )} + 6 \, a^{2} b c \arcsin \left (\frac {1}{c x}\right ) - 3 \, b^{3} c \arcsin \left (\frac {1}{c x}\right ) + \frac {6 \, b^{3} \sqrt {-\frac {1}{c^{2} x^{2}} + 1} \arcsin \left (\frac {1}{c x}\right )^{2}}{x} - 3 \, a b^{2} c + \frac {12 \, a b^{2} \sqrt {-\frac {1}{c^{2} x^{2}} + 1} \arcsin \left (\frac {1}{c x}\right )}{x} + \frac {6 \, a^{2} b \sqrt {-\frac {1}{c^{2} x^{2}} + 1}}{x} - \frac {3 \, b^{3} \sqrt {-\frac {1}{c^{2} x^{2}} + 1}}{x}\right )} c \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

-1/8*(4*b^3*c*(1/(c^2*x^2) - 1)*arcsin(1/(c*x))^3 + 12*a*b^2*c*(1/(c^2*x^2) - 1)*arcsin(1/(c*x))^2 + 2*b^3*c*a
rcsin(1/(c*x))^3 + 12*a^2*b*c*(1/(c^2*x^2) - 1)*arcsin(1/(c*x)) - 6*b^3*c*(1/(c^2*x^2) - 1)*arcsin(1/(c*x)) +
6*a*b^2*c*arcsin(1/(c*x))^2 + 4*a^3*c*(1/(c^2*x^2) - 1) - 6*a*b^2*c*(1/(c^2*x^2) - 1) + 6*a^2*b*c*arcsin(1/(c*
x)) - 3*b^3*c*arcsin(1/(c*x)) + 6*b^3*sqrt(-1/(c^2*x^2) + 1)*arcsin(1/(c*x))^2/x - 3*a*b^2*c + 12*a*b^2*sqrt(-
1/(c^2*x^2) + 1)*arcsin(1/(c*x))/x + 6*a^2*b*sqrt(-1/(c^2*x^2) + 1)/x - 3*b^3*sqrt(-1/(c^2*x^2) + 1)/x)*c

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maple [B]  time = 0.38, size = 315, normalized size = 2.52 \[ -\frac {a^{3}}{2 x^{2}}+\frac {c^{2} b^{3} \mathrm {arccsc}\left (c x \right )^{3}}{4}-\frac {b^{3} \mathrm {arccsc}\left (c x \right )^{3}}{2 x^{2}}-\frac {3 c \,b^{3} \mathrm {arccsc}\left (c x \right )^{2} \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}}{4 x}-\frac {3 b^{3} c^{2} \mathrm {arccsc}\left (c x \right )}{8}+\frac {3 b^{3} \mathrm {arccsc}\left (c x \right )}{4 x^{2}}+\frac {3 c \,b^{3} \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}}{8 x}+\frac {3 c^{2} a \,b^{2} \mathrm {arccsc}\left (c x \right )^{2}}{4}-\frac {3 a \,b^{2} \mathrm {arccsc}\left (c x \right )^{2}}{2 x^{2}}-\frac {3 c a \,b^{2} \mathrm {arccsc}\left (c x \right ) \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}}{2 x}+\frac {3 a \,b^{2}}{4 x^{2}}-\frac {3 a^{2} b \,\mathrm {arccsc}\left (c x \right )}{2 x^{2}}+\frac {3 c \,a^{2} b \sqrt {c^{2} x^{2}-1}\, \arctan \left (\frac {1}{\sqrt {c^{2} x^{2}-1}}\right )}{4 \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}\, x}-\frac {3 c \,a^{2} b}{4 \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}\, x}+\frac {3 a^{2} b}{4 c \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}\, x^{3}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

-1/2*a^3/x^2+1/4*c^2*b^3*arccsc(c*x)^3-1/2*b^3*arccsc(c*x)^3/x^2-3/4*c*b^3*arccsc(c*x)^2/x*((c^2*x^2-1)/c^2/x^
2)^(1/2)-3/8*b^3*c^2*arccsc(c*x)+3/4*b^3/x^2*arccsc(c*x)+3/8*c*b^3*((c^2*x^2-1)/c^2/x^2)^(1/2)/x+3/4*c^2*a*b^2
*arccsc(c*x)^2-3/2*a*b^2*arccsc(c*x)^2/x^2-3/2*c*a*b^2*arccsc(c*x)/x*((c^2*x^2-1)/c^2/x^2)^(1/2)+3/4*a*b^2/x^2
-3/2*a^2*b/x^2*arccsc(c*x)+3/4*c*a^2*b*(c^2*x^2-1)^(1/2)/((c^2*x^2-1)/c^2/x^2)^(1/2)/x*arctan(1/(c^2*x^2-1)^(1
/2))-3/4*c*a^2*b/((c^2*x^2-1)/c^2/x^2)^(1/2)/x+3/4/c*a^2*b/((c^2*x^2-1)/c^2/x^2)^(1/2)/x^3

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maxima [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \text {result too large to display} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

3/4*a^2*b*((c^4*x*sqrt(-1/(c^2*x^2) + 1)/(c^2*x^2*(1/(c^2*x^2) - 1) - 1) - c^3*arctan(c*x*sqrt(-1/(c^2*x^2) +
1)))/c - 2*arccsc(c*x)/x^2) - 1/2*a^3/x^2 - 1/8*(4*b^3*arctan2(1, sqrt(c*x + 1)*sqrt(c*x - 1))^3 - 3*b^3*arcta
n2(1, sqrt(c*x + 1)*sqrt(c*x - 1))*log(c^2*x^2)^2 + 12*(a*b^2*c^2*(log(c*x + 1) + log(c*x - 1) - 2*log(x))*log
(c)^2 + 16*b^3*c^2*integrate(1/8*x^2*arctan(1/(sqrt(c*x + 1)*sqrt(c*x - 1)))/(c^2*x^5 - x^3), x)*log(c)^2 - 16
*b^3*c^2*integrate(1/8*x^2*arctan(1/(sqrt(c*x + 1)*sqrt(c*x - 1)))*log(c^2*x^2)/(c^2*x^5 - x^3), x)*log(c) + 3
2*b^3*c^2*integrate(1/8*x^2*arctan(1/(sqrt(c*x + 1)*sqrt(c*x - 1)))*log(x)/(c^2*x^5 - x^3), x)*log(c) - 16*a*b
^2*c^2*integrate(1/8*x^2*log(c^2*x^2)/(c^2*x^5 - x^3), x)*log(c) + 32*a*b^2*c^2*integrate(1/8*x^2*log(x)/(c^2*
x^5 - x^3), x)*log(c) - 16*b^3*c^2*integrate(1/8*x^2*arctan(1/(sqrt(c*x + 1)*sqrt(c*x - 1)))*log(c^2*x^2)*log(
x)/(c^2*x^5 - x^3), x) + 16*b^3*c^2*integrate(1/8*x^2*arctan(1/(sqrt(c*x + 1)*sqrt(c*x - 1)))*log(x)^2/(c^2*x^
5 - x^3), x) - 16*a*b^2*c^2*integrate(1/8*x^2*arctan(1/(sqrt(c*x + 1)*sqrt(c*x - 1)))^2/(c^2*x^5 - x^3), x) +
8*b^3*c^2*integrate(1/8*x^2*arctan(1/(sqrt(c*x + 1)*sqrt(c*x - 1)))*log(c^2*x^2)/(c^2*x^5 - x^3), x) + 4*a*b^2
*c^2*integrate(1/8*x^2*log(c^2*x^2)^2/(c^2*x^5 - x^3), x) - 16*a*b^2*c^2*integrate(1/8*x^2*log(c^2*x^2)*log(x)
/(c^2*x^5 - x^3), x) + 16*a*b^2*c^2*integrate(1/8*x^2*log(x)^2/(c^2*x^5 - x^3), x) - (c^2*log(c*x + 1) + c^2*l
og(c*x - 1) - 2*c^2*log(x) + 1/x^2)*a*b^2*log(c)^2 - 16*b^3*integrate(1/8*arctan(1/(sqrt(c*x + 1)*sqrt(c*x - 1
)))/(c^2*x^5 - x^3), x)*log(c)^2 + 16*b^3*integrate(1/8*arctan(1/(sqrt(c*x + 1)*sqrt(c*x - 1)))*log(c^2*x^2)/(
c^2*x^5 - x^3), x)*log(c) - 32*b^3*integrate(1/8*arctan(1/(sqrt(c*x + 1)*sqrt(c*x - 1)))*log(x)/(c^2*x^5 - x^3
), x)*log(c) + 16*a*b^2*integrate(1/8*log(c^2*x^2)/(c^2*x^5 - x^3), x)*log(c) - 32*a*b^2*integrate(1/8*log(x)/
(c^2*x^5 - x^3), x)*log(c) + 8*b^3*integrate(1/8*sqrt(c*x + 1)*sqrt(c*x - 1)*arctan(1/(sqrt(c*x + 1)*sqrt(c*x
- 1)))^2/(c^2*x^5 - x^3), x) - 2*b^3*integrate(1/8*sqrt(c*x + 1)*sqrt(c*x - 1)*log(c^2*x^2)^2/(c^2*x^5 - x^3),
x) + 16*b^3*integrate(1/8*arctan(1/(sqrt(c*x + 1)*sqrt(c*x - 1)))*log(c^2*x^2)*log(x)/(c^2*x^5 - x^3), x) - 1
6*b^3*integrate(1/8*arctan(1/(sqrt(c*x + 1)*sqrt(c*x - 1)))*log(x)^2/(c^2*x^5 - x^3), x) + 16*a*b^2*integrate(
1/8*arctan(1/(sqrt(c*x + 1)*sqrt(c*x - 1)))^2/(c^2*x^5 - x^3), x) - 8*b^3*integrate(1/8*arctan(1/(sqrt(c*x + 1
)*sqrt(c*x - 1)))*log(c^2*x^2)/(c^2*x^5 - x^3), x) - 4*a*b^2*integrate(1/8*log(c^2*x^2)^2/(c^2*x^5 - x^3), x)
+ 16*a*b^2*integrate(1/8*log(c^2*x^2)*log(x)/(c^2*x^5 - x^3), x) - 16*a*b^2*integrate(1/8*log(x)^2/(c^2*x^5 -
x^3), x))*x^2)/x^2

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

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a + b*asin(1/(c*x)))^3/x^3,x)

[Out]

int((a + b*asin(1/(c*x)))^3/x^3, x)

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

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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