3.28 \(\int \frac{(b x^2)^{5/2}}{x^4} \, dx\)

Optimal. Leaf size=17 \[ \frac{1}{2} b^2 x \sqrt{b x^2} \]

[Out]

(b^2*x*Sqrt[b*x^2])/2

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Rubi [A]  time = 0.0017405, antiderivative size = 17, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.154, Rules used = {15, 30} \[ \frac{1}{2} b^2 x \sqrt{b x^2} \]

Antiderivative was successfully verified.

[In]

Int[(b*x^2)^(5/2)/x^4,x]

[Out]

(b^2*x*Sqrt[b*x^2])/2

Rule 15

Int[(u_.)*((a_.)*(x_)^(n_))^(m_), x_Symbol] :> Dist[(a^IntPart[m]*(a*x^n)^FracPart[m])/x^(n*FracPart[m]), Int[
u*x^(m*n), x], x] /; FreeQ[{a, m, n}, x] &&  !IntegerQ[m]

Rule 30

Int[(x_)^(m_.), x_Symbol] :> Simp[x^(m + 1)/(m + 1), x] /; FreeQ[m, x] && NeQ[m, -1]

Rubi steps

\begin{align*} \int \frac{\left (b x^2\right )^{5/2}}{x^4} \, dx &=\frac{\left (b^2 \sqrt{b x^2}\right ) \int x \, dx}{x}\\ &=\frac{1}{2} b^2 x \sqrt{b x^2}\\ \end{align*}

Mathematica [A]  time = 0.001015, size = 17, normalized size = 1. \[ \frac{1}{2} b^2 x \sqrt{b x^2} \]

Antiderivative was successfully verified.

[In]

Integrate[(b*x^2)^(5/2)/x^4,x]

[Out]

(b^2*x*Sqrt[b*x^2])/2

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Maple [A]  time = 0.002, size = 13, normalized size = 0.8 \begin{align*}{\frac{1}{2\,{x}^{3}} \left ( b{x}^{2} \right ) ^{{\frac{5}{2}}}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((b*x^2)^(5/2)/x^4,x)

[Out]

1/2*(b*x^2)^(5/2)/x^3

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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.

[In]

integrate((b*x^2)^(5/2)/x^4,x, algorithm="maxima")

[Out]

Exception raised: RuntimeError

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Fricas [A]  time = 1.2396, size = 31, normalized size = 1.82 \begin{align*} \frac{1}{2} \, \sqrt{b x^{2}} b^{2} x \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x^2)^(5/2)/x^4,x, algorithm="fricas")

[Out]

1/2*sqrt(b*x^2)*b^2*x

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Sympy [A]  time = 1.55295, size = 15, normalized size = 0.88 \begin{align*} \frac{b^{\frac{5}{2}} \left (x^{2}\right )^{\frac{5}{2}}}{2 x^{3}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x**2)**(5/2)/x**4,x)

[Out]

b**(5/2)*(x**2)**(5/2)/(2*x**3)

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Giac [A]  time = 1.53243, size = 14, normalized size = 0.82 \begin{align*} \frac{1}{2} \, b^{\frac{5}{2}} x^{2} \mathrm{sgn}\left (x\right ) \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x^2)^(5/2)/x^4,x, algorithm="giac")

[Out]

1/2*b^(5/2)*x^2*sgn(x)