Optimal. Leaf size=64 \[ \frac{2 \sqrt{1-(a+b x)^2}}{b \sqrt{\cos ^{-1}(a+b x)}}-\frac{2 \sqrt{2 \pi } \text{FresnelC}\left (\sqrt{\frac{2}{\pi }} \sqrt{\cos ^{-1}(a+b x)}\right )}{b} \]
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Rubi [A] time = 0.0860013, antiderivative size = 64, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 10, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.5, Rules used = {4804, 4622, 4724, 3304, 3352} \[ \frac{2 \sqrt{1-(a+b x)^2}}{b \sqrt{\cos ^{-1}(a+b x)}}-\frac{2 \sqrt{2 \pi } \text{FresnelC}\left (\sqrt{\frac{2}{\pi }} \sqrt{\cos ^{-1}(a+b x)}\right )}{b} \]
Antiderivative was successfully verified.
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Rule 4804
Rule 4622
Rule 4724
Rule 3304
Rule 3352
Rubi steps
\begin{align*} \int \frac{1}{\cos ^{-1}(a+b x)^{3/2}} \, dx &=\frac{\operatorname{Subst}\left (\int \frac{1}{\cos ^{-1}(x)^{3/2}} \, dx,x,a+b x\right )}{b}\\ &=\frac{2 \sqrt{1-(a+b x)^2}}{b \sqrt{\cos ^{-1}(a+b x)}}+\frac{2 \operatorname{Subst}\left (\int \frac{x}{\sqrt{1-x^2} \sqrt{\cos ^{-1}(x)}} \, dx,x,a+b x\right )}{b}\\ &=\frac{2 \sqrt{1-(a+b x)^2}}{b \sqrt{\cos ^{-1}(a+b x)}}-\frac{2 \operatorname{Subst}\left (\int \frac{\cos (x)}{\sqrt{x}} \, dx,x,\cos ^{-1}(a+b x)\right )}{b}\\ &=\frac{2 \sqrt{1-(a+b x)^2}}{b \sqrt{\cos ^{-1}(a+b x)}}-\frac{4 \operatorname{Subst}\left (\int \cos \left (x^2\right ) \, dx,x,\sqrt{\cos ^{-1}(a+b x)}\right )}{b}\\ &=\frac{2 \sqrt{1-(a+b x)^2}}{b \sqrt{\cos ^{-1}(a+b x)}}-\frac{2 \sqrt{2 \pi } C\left (\sqrt{\frac{2}{\pi }} \sqrt{\cos ^{-1}(a+b x)}\right )}{b}\\ \end{align*}
Mathematica [C] time = 0.0535818, size = 97, normalized size = 1.52 \[ -\frac{-i \sqrt{-i \cos ^{-1}(a+b x)} \text{Gamma}\left (\frac{1}{2},-i \cos ^{-1}(a+b x)\right )+i \sqrt{i \cos ^{-1}(a+b x)} \text{Gamma}\left (\frac{1}{2},i \cos ^{-1}(a+b x)\right )-2 \sqrt{1-(a+b x)^2}}{b \sqrt{\cos ^{-1}(a+b x)}} \]
Warning: Unable to verify antiderivative.
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Maple [A] time = 0.075, size = 84, normalized size = 1.3 \begin{align*} -{\frac{\sqrt{2}}{b\sqrt{\pi }\arccos \left ( bx+a \right ) } \left ( 2\,\arccos \left ( bx+a \right ) \pi \,{\it FresnelC} \left ({\frac{\sqrt{2}\sqrt{\arccos \left ( bx+a \right ) }}{\sqrt{\pi }}} \right ) -\sqrt{2}\sqrt{\pi }\sqrt{\arccos \left ( bx+a \right ) }\sqrt{-{b}^{2}{x}^{2}-2\,xab-{a}^{2}+1} \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: RuntimeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: UnboundLocalError} \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{1}{\operatorname{acos}^{\frac{3}{2}}{\left (a + b x \right )}}\, 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{1}{\arccos \left (b x + a\right )^{\frac{3}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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