3.434 \(\int x \sqrt{x^2 \left (a+b x^3\right )} \, dx\)

Optimal. Leaf size=25 \[ \frac{2 \left (x^2 \left (a+b x^3\right )\right )^{3/2}}{9 b x^3} \]

[Out]

(2*(x^2*(a + b*x^3))^(3/2))/(9*b*x^3)

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Rubi [A]  time = 0.0137916, antiderivative size = 25, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.059 \[ \frac{2 \left (x^2 \left (a+b x^3\right )\right )^{3/2}}{9 b x^3} \]

Antiderivative was successfully verified.

[In]  Int[x*Sqrt[x^2*(a + b*x^3)],x]

[Out]

(2*(x^2*(a + b*x^3))^(3/2))/(9*b*x^3)

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Rubi in Sympy [A]  time = 6.72121, size = 20, normalized size = 0.8 \[ \frac{2 \left (a x^{2} + b x^{5}\right )^{\frac{3}{2}}}{9 b x^{3}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  rubi_integrate(x*(x**2*(b*x**3+a))**(1/2),x)

[Out]

2*(a*x**2 + b*x**5)**(3/2)/(9*b*x**3)

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Mathematica [A]  time = 0.0231226, size = 25, normalized size = 1. \[ \frac{2 \left (x^2 \left (a+b x^3\right )\right )^{3/2}}{9 b x^3} \]

Antiderivative was successfully verified.

[In]  Integrate[x*Sqrt[x^2*(a + b*x^3)],x]

[Out]

(2*(x^2*(a + b*x^3))^(3/2))/(9*b*x^3)

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Maple [A]  time = 0.008, size = 29, normalized size = 1.2 \[{\frac{2\,b{x}^{3}+2\,a}{9\,bx}\sqrt{{x}^{2} \left ( b{x}^{3}+a \right ) }} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  int(x*(x^2*(b*x^3+a))^(1/2),x)

[Out]

2/9*(b*x^3+a)*(x^2*(b*x^3+a))^(1/2)/b/x

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Maxima [A]  time = 1.39294, size = 19, normalized size = 0.76 \[ \frac{2 \,{\left (b x^{3} + a\right )}^{\frac{3}{2}}}{9 \, b} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(sqrt((b*x^3 + a)*x^2)*x,x, algorithm="maxima")

[Out]

2/9*(b*x^3 + a)^(3/2)/b

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Fricas [A]  time = 0.227703, size = 38, normalized size = 1.52 \[ \frac{2 \, \sqrt{b x^{5} + a x^{2}}{\left (b x^{3} + a\right )}}{9 \, b x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(sqrt((b*x^3 + a)*x^2)*x,x, algorithm="fricas")

[Out]

2/9*sqrt(b*x^5 + a*x^2)*(b*x^3 + a)/(b*x)

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Sympy [F(-1)]  time = 0., size = 0, normalized size = 0. \[ \text{Timed out} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(x*(x**2*(b*x**3+a))**(1/2),x)

[Out]

Timed out

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GIAC/XCAS [A]  time = 0.223694, size = 36, normalized size = 1.44 \[ \frac{2 \,{\left (b x^{3} + a\right )}^{\frac{3}{2}}{\rm sign}\left (x\right )}{9 \, b} - \frac{2 \, a^{\frac{3}{2}}{\rm sign}\left (x\right )}{9 \, b} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(sqrt((b*x^3 + a)*x^2)*x,x, algorithm="giac")

[Out]

2/9*(b*x^3 + a)^(3/2)*sign(x)/b - 2/9*a^(3/2)*sign(x)/b