Optimal. Leaf size=170 \[ \frac{4 b^2 c^2 \left (a+b \csc ^{-1}(c x)\right )}{3 x}+\frac{2 b^2 \left (a+b \csc ^{-1}(c x)\right )}{9 x^3}-\frac{2}{3} b c^3 \sqrt{1-\frac{1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2-\frac{b c \sqrt{1-\frac{1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2}{3 x^2}-\frac{\left (a+b \csc ^{-1}(c x)\right )^3}{3 x^3}-\frac{2}{27} b^3 c^3 \left (1-\frac{1}{c^2 x^2}\right )^{3/2}+\frac{14}{9} b^3 c^3 \sqrt{1-\frac{1}{c^2 x^2}} \]
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Rubi [A] time = 0.149797, antiderivative size = 170, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 6, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.429, Rules used = {5223, 4404, 3311, 3296, 2638, 2633} \[ \frac{4 b^2 c^2 \left (a+b \csc ^{-1}(c x)\right )}{3 x}+\frac{2 b^2 \left (a+b \csc ^{-1}(c x)\right )}{9 x^3}-\frac{2}{3} b c^3 \sqrt{1-\frac{1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2-\frac{b c \sqrt{1-\frac{1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2}{3 x^2}-\frac{\left (a+b \csc ^{-1}(c x)\right )^3}{3 x^3}-\frac{2}{27} b^3 c^3 \left (1-\frac{1}{c^2 x^2}\right )^{3/2}+\frac{14}{9} b^3 c^3 \sqrt{1-\frac{1}{c^2 x^2}} \]
Antiderivative was successfully verified.
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Rule 5223
Rule 4404
Rule 3311
Rule 3296
Rule 2638
Rule 2633
Rubi steps
\begin{align*} \int \frac{\left (a+b \csc ^{-1}(c x)\right )^3}{x^4} \, dx &=-\left (c^3 \operatorname{Subst}\left (\int (a+b x)^3 \cos (x) \sin ^2(x) \, dx,x,\csc ^{-1}(c x)\right )\right )\\ &=-\frac{\left (a+b \csc ^{-1}(c x)\right )^3}{3 x^3}+\left (b c^3\right ) \operatorname{Subst}\left (\int (a+b x)^2 \sin ^3(x) \, dx,x,\csc ^{-1}(c x)\right )\\ &=\frac{2 b^2 \left (a+b \csc ^{-1}(c x)\right )}{9 x^3}-\frac{b c \sqrt{1-\frac{1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2}{3 x^2}-\frac{\left (a+b \csc ^{-1}(c x)\right )^3}{3 x^3}+\frac{1}{3} \left (2 b c^3\right ) \operatorname{Subst}\left (\int (a+b x)^2 \sin (x) \, dx,x,\csc ^{-1}(c x)\right )-\frac{1}{9} \left (2 b^3 c^3\right ) \operatorname{Subst}\left (\int \sin ^3(x) \, dx,x,\csc ^{-1}(c x)\right )\\ &=\frac{2 b^2 \left (a+b \csc ^{-1}(c x)\right )}{9 x^3}-\frac{2}{3} b c^3 \sqrt{1-\frac{1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2-\frac{b c \sqrt{1-\frac{1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2}{3 x^2}-\frac{\left (a+b \csc ^{-1}(c x)\right )^3}{3 x^3}+\frac{1}{3} \left (4 b^2 c^3\right ) \operatorname{Subst}\left (\int (a+b x) \cos (x) \, dx,x,\csc ^{-1}(c x)\right )+\frac{1}{9} \left (2 b^3 c^3\right ) \operatorname{Subst}\left (\int \left (1-x^2\right ) \, dx,x,\sqrt{1-\frac{1}{c^2 x^2}}\right )\\ &=\frac{2}{9} b^3 c^3 \sqrt{1-\frac{1}{c^2 x^2}}-\frac{2}{27} b^3 c^3 \left (1-\frac{1}{c^2 x^2}\right )^{3/2}+\frac{2 b^2 \left (a+b \csc ^{-1}(c x)\right )}{9 x^3}+\frac{4 b^2 c^2 \left (a+b \csc ^{-1}(c x)\right )}{3 x}-\frac{2}{3} b c^3 \sqrt{1-\frac{1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2-\frac{b c \sqrt{1-\frac{1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2}{3 x^2}-\frac{\left (a+b \csc ^{-1}(c x)\right )^3}{3 x^3}-\frac{1}{3} \left (4 b^3 c^3\right ) \operatorname{Subst}\left (\int \sin (x) \, dx,x,\csc ^{-1}(c x)\right )\\ &=\frac{14}{9} b^3 c^3 \sqrt{1-\frac{1}{c^2 x^2}}-\frac{2}{27} b^3 c^3 \left (1-\frac{1}{c^2 x^2}\right )^{3/2}+\frac{2 b^2 \left (a+b \csc ^{-1}(c x)\right )}{9 x^3}+\frac{4 b^2 c^2 \left (a+b \csc ^{-1}(c x)\right )}{3 x}-\frac{2}{3} b c^3 \sqrt{1-\frac{1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2-\frac{b c \sqrt{1-\frac{1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )^2}{3 x^2}-\frac{\left (a+b \csc ^{-1}(c x)\right )^3}{3 x^3}\\ \end{align*}
Mathematica [A] time = 0.299556, size = 204, normalized size = 1.2 \[ \frac{3 b \csc ^{-1}(c x) \left (-9 a^2-6 a b c x \sqrt{1-\frac{1}{c^2 x^2}} \left (2 c^2 x^2+1\right )+2 b^2 \left (6 c^2 x^2+1\right )\right )-9 a^2 b c x \sqrt{1-\frac{1}{c^2 x^2}} \left (2 c^2 x^2+1\right )-9 a^3+6 a b^2 \left (6 c^2 x^2+1\right )-9 b^2 \csc ^{-1}(c x)^2 \left (3 a+b c x \sqrt{1-\frac{1}{c^2 x^2}} \left (2 c^2 x^2+1\right )\right )+2 b^3 c x \sqrt{1-\frac{1}{c^2 x^2}} \left (20 c^2 x^2+1\right )-9 b^3 \csc ^{-1}(c x)^3}{27 x^3} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.261, size = 299, normalized size = 1.8 \begin{align*}{c}^{3} \left ( -{\frac{{a}^{3}}{3\,{c}^{3}{x}^{3}}}+{b}^{3} \left ( -{\frac{ \left ({\rm arccsc} \left (cx\right ) \right ) ^{3}}{3\,{c}^{3}{x}^{3}}}-{\frac{ \left ({\rm arccsc} \left (cx\right ) \right ) ^{2} \left ( 2\,{c}^{2}{x}^{2}+1 \right ) }{3\,{c}^{2}{x}^{2}}\sqrt{{\frac{{c}^{2}{x}^{2}-1}{{c}^{2}{x}^{2}}}}}+{\frac{4}{3}\sqrt{{\frac{{c}^{2}{x}^{2}-1}{{c}^{2}{x}^{2}}}}}+{\frac{4\,{\rm arccsc} \left (cx\right )}{3\,cx}}+{\frac{2\,{\rm arccsc} \left (cx\right )}{9\,{c}^{3}{x}^{3}}}+{\frac{4\,{c}^{2}{x}^{2}+2}{27\,{c}^{2}{x}^{2}}\sqrt{{\frac{{c}^{2}{x}^{2}-1}{{c}^{2}{x}^{2}}}}} \right ) +3\,a{b}^{2} \left ( -1/3\,{\frac{ \left ({\rm arccsc} \left (cx\right ) \right ) ^{2}}{{c}^{3}{x}^{3}}}-2/9\,{\frac{{\rm arccsc} \left (cx\right ) \left ( 2\,{c}^{2}{x}^{2}+1 \right ) }{{c}^{2}{x}^{2}}\sqrt{{\frac{{c}^{2}{x}^{2}-1}{{c}^{2}{x}^{2}}}}}+{\frac{2}{27\,{c}^{3}{x}^{3}}}+4/9\,{\frac{1}{cx}} \right ) +3\,{a}^{2}b \left ( -1/3\,{\frac{{\rm arccsc} \left (cx\right )}{{c}^{3}{x}^{3}}}-1/9\,{\frac{ \left ({c}^{2}{x}^{2}-1 \right ) \left ( 2\,{c}^{2}{x}^{2}+1 \right ) }{{c}^{4}{x}^{4}}{\frac{1}{\sqrt{{\frac{{c}^{2}{x}^{2}-1}{{c}^{2}{x}^{2}}}}}}} \right ) \right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.3525, size = 401, normalized size = 2.36 \begin{align*} \frac{36 \, a b^{2} c^{2} x^{2} - 9 \, b^{3} \operatorname{arccsc}\left (c x\right )^{3} - 27 \, a b^{2} \operatorname{arccsc}\left (c x\right )^{2} - 9 \, a^{3} + 6 \, a b^{2} + 3 \,{\left (12 \, b^{3} c^{2} x^{2} - 9 \, a^{2} b + 2 \, b^{3}\right )} \operatorname{arccsc}\left (c x\right ) -{\left (2 \,{\left (9 \, a^{2} b - 20 \, b^{3}\right )} c^{2} x^{2} + 9 \, a^{2} b - 2 \, b^{3} + 9 \,{\left (2 \, b^{3} c^{2} x^{2} + b^{3}\right )} \operatorname{arccsc}\left (c x\right )^{2} + 18 \,{\left (2 \, a b^{2} c^{2} x^{2} + a b^{2}\right )} \operatorname{arccsc}\left (c x\right )\right )} \sqrt{c^{2} x^{2} - 1}}{27 \, x^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\left (a + b \operatorname{acsc}{\left (c x \right )}\right )^{3}}{x^{4}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\left (b \operatorname{arccsc}\left (c x\right ) + a\right )}^{3}}{x^{4}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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