Optimal. Leaf size=110 \[ \frac{(a+b x)^4}{16 b}-\frac{5 (a+b x)^2}{16 b}+\frac{\left (1-(a+b x)^2\right )^{3/2} (a+b x) \sin ^{-1}(a+b x)}{4 b}+\frac{3 \sqrt{1-(a+b x)^2} (a+b x) \sin ^{-1}(a+b x)}{8 b}+\frac{3 \sin ^{-1}(a+b x)^2}{16 b} \]
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Rubi [A] time = 0.105756, antiderivative size = 110, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 6, integrand size = 31, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.194, Rules used = {4807, 4649, 4647, 4641, 30, 14} \[ \frac{(a+b x)^4}{16 b}-\frac{5 (a+b x)^2}{16 b}+\frac{\left (1-(a+b x)^2\right )^{3/2} (a+b x) \sin ^{-1}(a+b x)}{4 b}+\frac{3 \sqrt{1-(a+b x)^2} (a+b x) \sin ^{-1}(a+b x)}{8 b}+\frac{3 \sin ^{-1}(a+b x)^2}{16 b} \]
Antiderivative was successfully verified.
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Rule 4807
Rule 4649
Rule 4647
Rule 4641
Rule 30
Rule 14
Rubi steps
\begin{align*} \int \left (1-a^2-2 a b x-b^2 x^2\right )^{3/2} \sin ^{-1}(a+b x) \, dx &=\frac{\operatorname{Subst}\left (\int \left (1-x^2\right )^{3/2} \sin ^{-1}(x) \, dx,x,a+b x\right )}{b}\\ &=\frac{(a+b x) \left (1-(a+b x)^2\right )^{3/2} \sin ^{-1}(a+b x)}{4 b}-\frac{\operatorname{Subst}\left (\int x \left (1-x^2\right ) \, dx,x,a+b x\right )}{4 b}+\frac{3 \operatorname{Subst}\left (\int \sqrt{1-x^2} \sin ^{-1}(x) \, dx,x,a+b x\right )}{4 b}\\ &=\frac{3 (a+b x) \sqrt{1-(a+b x)^2} \sin ^{-1}(a+b x)}{8 b}+\frac{(a+b x) \left (1-(a+b x)^2\right )^{3/2} \sin ^{-1}(a+b x)}{4 b}-\frac{\operatorname{Subst}\left (\int \left (x-x^3\right ) \, dx,x,a+b x\right )}{4 b}-\frac{3 \operatorname{Subst}(\int x \, dx,x,a+b x)}{8 b}+\frac{3 \operatorname{Subst}\left (\int \frac{\sin ^{-1}(x)}{\sqrt{1-x^2}} \, dx,x,a+b x\right )}{8 b}\\ &=-\frac{5 (a+b x)^2}{16 b}+\frac{(a+b x)^4}{16 b}+\frac{3 (a+b x) \sqrt{1-(a+b x)^2} \sin ^{-1}(a+b x)}{8 b}+\frac{(a+b x) \left (1-(a+b x)^2\right )^{3/2} \sin ^{-1}(a+b x)}{4 b}+\frac{3 \sin ^{-1}(a+b x)^2}{16 b}\\ \end{align*}
Mathematica [A] time = 0.0678455, size = 129, normalized size = 1.17 \[ \frac{1}{16} \left (-\frac{2 \sqrt{-a^2-2 a b x-b^2 x^2+1} \left (6 a^2 b x+2 a^3+6 a b^2 x^2-5 a+2 b^3 x^3-5 b x\right ) \sin ^{-1}(a+b x)}{b}+\left (6 a^2-5\right ) b x^2+2 a \left (2 a^2-5\right ) x+4 a b^2 x^3+\frac{3 \sin ^{-1}(a+b x)^2}{b}+b^3 x^4\right ) \]
Antiderivative was successfully verified.
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Maple [B] time = 0.061, size = 277, normalized size = 2.5 \begin{align*}{\frac{1}{16\,b} \left ( -4\,\sqrt{-{b}^{2}{x}^{2}-2\,xab-{a}^{2}+1}\arcsin \left ( bx+a \right ){x}^{3}{b}^{3}+{x}^{4}{b}^{4}-12\,\sqrt{-{b}^{2}{x}^{2}-2\,xab-{a}^{2}+1}\arcsin \left ( bx+a \right ){x}^{2}a{b}^{2}+4\,{x}^{3}a{b}^{3}-12\,\sqrt{-{b}^{2}{x}^{2}-2\,xab-{a}^{2}+1}\arcsin \left ( bx+a \right ) x{a}^{2}b+6\,{x}^{2}{a}^{2}{b}^{2}-4\,\sqrt{-{b}^{2}{x}^{2}-2\,xab-{a}^{2}+1}\arcsin \left ( bx+a \right ){a}^{3}+4\,x{a}^{3}b+10\,\arcsin \left ( bx+a \right ) \sqrt{-{b}^{2}{x}^{2}-2\,xab-{a}^{2}+1}xb-5\,{b}^{2}{x}^{2}+{a}^{4}+10\,\arcsin \left ( bx+a \right ) \sqrt{-{b}^{2}{x}^{2}-2\,xab-{a}^{2}+1}a-10\,xab+3\, \left ( \arcsin \left ( bx+a \right ) \right ) ^{2}-5\,{a}^{2}+4 \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.35912, size = 285, normalized size = 2.59 \begin{align*} \frac{b^{4} x^{4} + 4 \, a b^{3} x^{3} +{\left (6 \, a^{2} - 5\right )} b^{2} x^{2} + 2 \,{\left (2 \, a^{3} - 5 \, a\right )} b x - 2 \,{\left (2 \, b^{3} x^{3} + 6 \, a b^{2} x^{2} + 2 \, a^{3} +{\left (6 \, a^{2} - 5\right )} b x - 5 \, a\right )} \sqrt{-b^{2} x^{2} - 2 \, a b x - a^{2} + 1} \arcsin \left (b x + a\right ) + 3 \, \arcsin \left (b x + a\right )^{2}}{16 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 7.82236, size = 298, normalized size = 2.71 \begin{align*} \begin{cases} \frac{a^{3} x}{4} - \frac{a^{3} \sqrt{- a^{2} - 2 a b x - b^{2} x^{2} + 1} \operatorname{asin}{\left (a + b x \right )}}{4 b} + \frac{3 a^{2} b x^{2}}{8} - \frac{3 a^{2} x \sqrt{- a^{2} - 2 a b x - b^{2} x^{2} + 1} \operatorname{asin}{\left (a + b x \right )}}{4} + \frac{a b^{2} x^{3}}{4} - \frac{3 a b x^{2} \sqrt{- a^{2} - 2 a b x - b^{2} x^{2} + 1} \operatorname{asin}{\left (a + b x \right )}}{4} - \frac{5 a x}{8} + \frac{5 a \sqrt{- a^{2} - 2 a b x - b^{2} x^{2} + 1} \operatorname{asin}{\left (a + b x \right )}}{8 b} + \frac{b^{3} x^{4}}{16} - \frac{b^{2} x^{3} \sqrt{- a^{2} - 2 a b x - b^{2} x^{2} + 1} \operatorname{asin}{\left (a + b x \right )}}{4} - \frac{5 b x^{2}}{16} + \frac{5 x \sqrt{- a^{2} - 2 a b x - b^{2} x^{2} + 1} \operatorname{asin}{\left (a + b x \right )}}{8} + \frac{3 \operatorname{asin}^{2}{\left (a + b x \right )}}{16 b} & \text{for}\: b \neq 0 \\x \left (1 - a^{2}\right )^{\frac{3}{2}} \operatorname{asin}{\left (a \right )} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.25101, size = 190, normalized size = 1.73 \begin{align*} \frac{{\left (-b^{2} x^{2} - 2 \, a b x - a^{2} + 1\right )}^{\frac{3}{2}}{\left (b x + a\right )} \arcsin \left (b x + a\right )}{4 \, b} + \frac{3 \, \sqrt{-b^{2} x^{2} - 2 \, a b x - a^{2} + 1}{\left (b x + a\right )} \arcsin \left (b x + a\right )}{8 \, b} + \frac{{\left (b^{2} x^{2} + 2 \, a b x + a^{2} - 1\right )}^{2}}{16 \, b} + \frac{3 \, \arcsin \left (b x + a\right )^{2}}{16 \, b} - \frac{3 \,{\left (b^{2} x^{2} + 2 \, a b x + a^{2} - 1\right )}}{16 \, b} - \frac{15}{128 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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