Optimal. Leaf size=57 \[ -\frac{\text{Si}\left (2 \sin ^{-1}(a+b x)\right )}{b}-\frac{\text{Si}\left (4 \sin ^{-1}(a+b x)\right )}{2 b}-\frac{\left (1-(a+b x)^2\right )^2}{b \sin ^{-1}(a+b x)} \]
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Rubi [A] time = 0.152061, antiderivative size = 57, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 5, integrand size = 33, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.152, Rules used = {4807, 4659, 4723, 4406, 3299} \[ -\frac{\text{Si}\left (2 \sin ^{-1}(a+b x)\right )}{b}-\frac{\text{Si}\left (4 \sin ^{-1}(a+b x)\right )}{2 b}-\frac{\left (1-(a+b x)^2\right )^2}{b \sin ^{-1}(a+b x)} \]
Antiderivative was successfully verified.
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Rule 4807
Rule 4659
Rule 4723
Rule 4406
Rule 3299
Rubi steps
\begin{align*} \int \frac{\left (1-a^2-2 a b x-b^2 x^2\right )^{3/2}}{\sin ^{-1}(a+b x)^2} \, dx &=\frac{\operatorname{Subst}\left (\int \frac{\left (1-x^2\right )^{3/2}}{\sin ^{-1}(x)^2} \, dx,x,a+b x\right )}{b}\\ &=-\frac{\left (1-(a+b x)^2\right )^2}{b \sin ^{-1}(a+b x)}-\frac{4 \operatorname{Subst}\left (\int \frac{x \left (1-x^2\right )}{\sin ^{-1}(x)} \, dx,x,a+b x\right )}{b}\\ &=-\frac{\left (1-(a+b x)^2\right )^2}{b \sin ^{-1}(a+b x)}-\frac{4 \operatorname{Subst}\left (\int \frac{\cos ^3(x) \sin (x)}{x} \, dx,x,\sin ^{-1}(a+b x)\right )}{b}\\ &=-\frac{\left (1-(a+b x)^2\right )^2}{b \sin ^{-1}(a+b x)}-\frac{4 \operatorname{Subst}\left (\int \left (\frac{\sin (2 x)}{4 x}+\frac{\sin (4 x)}{8 x}\right ) \, dx,x,\sin ^{-1}(a+b x)\right )}{b}\\ &=-\frac{\left (1-(a+b x)^2\right )^2}{b \sin ^{-1}(a+b x)}-\frac{\operatorname{Subst}\left (\int \frac{\sin (4 x)}{x} \, dx,x,\sin ^{-1}(a+b x)\right )}{2 b}-\frac{\operatorname{Subst}\left (\int \frac{\sin (2 x)}{x} \, dx,x,\sin ^{-1}(a+b x)\right )}{b}\\ &=-\frac{\left (1-(a+b x)^2\right )^2}{b \sin ^{-1}(a+b x)}-\frac{\text{Si}\left (2 \sin ^{-1}(a+b x)\right )}{b}-\frac{\text{Si}\left (4 \sin ^{-1}(a+b x)\right )}{2 b}\\ \end{align*}
Mathematica [A] time = 0.313519, size = 70, normalized size = 1.23 \[ -\frac{2 \left (a^2+2 a b x+b^2 x^2-1\right )^2+2 \sin ^{-1}(a+b x) \text{Si}\left (2 \sin ^{-1}(a+b x)\right )+\sin ^{-1}(a+b x) \text{Si}\left (4 \sin ^{-1}(a+b x)\right )}{2 b \sin ^{-1}(a+b x)} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.051, size = 70, normalized size = 1.2 \begin{align*} -{\frac{8\,{\it Si} \left ( 2\,\arcsin \left ( bx+a \right ) \right ) \arcsin \left ( bx+a \right ) +4\,{\it Si} \left ( 4\,\arcsin \left ( bx+a \right ) \right ) \arcsin \left ( bx+a \right ) +4\,\cos \left ( 2\,\arcsin \left ( bx+a \right ) \right ) +\cos \left ( 4\,\arcsin \left ( bx+a \right ) \right ) +3}{8\,b\arcsin \left ( bx+a \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*} -\frac{b^{4} x^{4} + 4 \, a b^{3} x^{3} + 2 \,{\left (3 \, a^{2} - 1\right )} b^{2} x^{2} + a^{4} + 4 \,{\left (a^{3} - a\right )} b x - 4 \, b \arctan \left (b x + a, \sqrt{b x + a + 1} \sqrt{-b x - a + 1}\right ) \int \frac{b^{3} x^{3} + 3 \, a b^{2} x^{2} + a^{3} +{\left (3 \, a^{2} - 1\right )} b x - a}{\arctan \left (b x + a, \sqrt{b x + a + 1} \sqrt{-b x - a + 1}\right )}\,{d x} - 2 \, a^{2} + 1}{b \arctan \left (b x + a, \sqrt{b x + a + 1} \sqrt{-b x - a + 1}\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{{\left (-b^{2} x^{2} - 2 \, a b x - a^{2} + 1\right )}^{\frac{3}{2}}}{\arcsin \left (b x + a\right )^{2}}, x\right ) \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 (- \left (a + b x - 1\right ) \left (a + b x + 1\right )\right )^{\frac{3}{2}}}{\operatorname{asin}^{2}{\left (a + b x \right )}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.27461, size = 82, normalized size = 1.44 \begin{align*} -\frac{{\left (b^{2} x^{2} + 2 \, a b x + a^{2} - 1\right )}^{2}}{b \arcsin \left (b x + a\right )} - \frac{\operatorname{Si}\left (4 \, \arcsin \left (b x + a\right )\right )}{2 \, b} - \frac{\operatorname{Si}\left (2 \, \arcsin \left (b x + a\right )\right )}{b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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