Optimal. Leaf size=81 \[ -\frac{1}{5} \sqrt{1-x^2} x^4-\frac{1}{2} \sqrt{1-x^2} x^3-\frac{3}{5} \sqrt{1-x^2} x^2-\frac{3}{20} (5 x+8) \sqrt{1-x^2}+\frac{3}{4} \sin ^{-1}(x) \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.0932834, antiderivative size = 81, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 4, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.2, Rules used = {1809, 833, 780, 216} \[ -\frac{1}{5} \sqrt{1-x^2} x^4-\frac{1}{2} \sqrt{1-x^2} x^3-\frac{3}{5} \sqrt{1-x^2} x^2-\frac{3}{20} (5 x+8) \sqrt{1-x^2}+\frac{3}{4} \sin ^{-1}(x) \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 1809
Rule 833
Rule 780
Rule 216
Rubi steps
\begin{align*} \int \frac{x^3 (1+x)^2}{\sqrt{1-x^2}} \, dx &=-\frac{1}{5} x^4 \sqrt{1-x^2}-\frac{1}{5} \int \frac{(-9-10 x) x^3}{\sqrt{1-x^2}} \, dx\\ &=-\frac{1}{2} x^3 \sqrt{1-x^2}-\frac{1}{5} x^4 \sqrt{1-x^2}+\frac{1}{20} \int \frac{x^2 (30+36 x)}{\sqrt{1-x^2}} \, dx\\ &=-\frac{3}{5} x^2 \sqrt{1-x^2}-\frac{1}{2} x^3 \sqrt{1-x^2}-\frac{1}{5} x^4 \sqrt{1-x^2}-\frac{1}{60} \int \frac{(-72-90 x) x}{\sqrt{1-x^2}} \, dx\\ &=-\frac{3}{5} x^2 \sqrt{1-x^2}-\frac{1}{2} x^3 \sqrt{1-x^2}-\frac{1}{5} x^4 \sqrt{1-x^2}-\frac{3}{20} (8+5 x) \sqrt{1-x^2}+\frac{3}{4} \int \frac{1}{\sqrt{1-x^2}} \, dx\\ &=-\frac{3}{5} x^2 \sqrt{1-x^2}-\frac{1}{2} x^3 \sqrt{1-x^2}-\frac{1}{5} x^4 \sqrt{1-x^2}-\frac{3}{20} (8+5 x) \sqrt{1-x^2}+\frac{3}{4} \sin ^{-1}(x)\\ \end{align*}
Mathematica [A] time = 0.0373061, size = 42, normalized size = 0.52 \[ \frac{3}{4} \sin ^{-1}(x)-\frac{1}{20} \sqrt{1-x^2} \left (4 x^4+10 x^3+12 x^2+15 x+24\right ) \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [A] time = 0.051, size = 71, normalized size = 0.9 \begin{align*} -{\frac{{x}^{4}}{5}\sqrt{-{x}^{2}+1}}-{\frac{3\,{x}^{2}}{5}\sqrt{-{x}^{2}+1}}-{\frac{6}{5}\sqrt{-{x}^{2}+1}}-{\frac{{x}^{3}}{2}\sqrt{-{x}^{2}+1}}-{\frac{3\,x}{4}\sqrt{-{x}^{2}+1}}+{\frac{3\,\arcsin \left ( x \right ) }{4}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [A] time = 1.49215, size = 95, normalized size = 1.17 \begin{align*} -\frac{1}{5} \, \sqrt{-x^{2} + 1} x^{4} - \frac{1}{2} \, \sqrt{-x^{2} + 1} x^{3} - \frac{3}{5} \, \sqrt{-x^{2} + 1} x^{2} - \frac{3}{4} \, \sqrt{-x^{2} + 1} x - \frac{6}{5} \, \sqrt{-x^{2} + 1} + \frac{3}{4} \, \arcsin \left (x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A] time = 1.76712, size = 131, normalized size = 1.62 \begin{align*} -\frac{1}{20} \,{\left (4 \, x^{4} + 10 \, x^{3} + 12 \, x^{2} + 15 \, x + 24\right )} \sqrt{-x^{2} + 1} - \frac{3}{2} \, \arctan \left (\frac{\sqrt{-x^{2} + 1} - 1}{x}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [A] time = 1.4386, size = 73, normalized size = 0.9 \begin{align*} - \frac{x^{4} \sqrt{1 - x^{2}}}{5} - \frac{x^{3} \sqrt{1 - x^{2}}}{2} - \frac{3 x^{2} \sqrt{1 - x^{2}}}{5} - \frac{3 x \sqrt{1 - x^{2}}}{4} - \frac{6 \sqrt{1 - x^{2}}}{5} + \frac{3 \operatorname{asin}{\left (x \right )}}{4} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [A] time = 1.1255, size = 46, normalized size = 0.57 \begin{align*} -\frac{1}{20} \,{\left ({\left (2 \,{\left ({\left (2 \, x + 5\right )} x + 6\right )} x + 15\right )} x + 24\right )} \sqrt{-x^{2} + 1} + \frac{3}{4} \, \arcsin \left (x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]