3.120 \(\int \frac {1}{\sqrt [3]{b x}} \, dx\)

Optimal. Leaf size=14 \[ \frac {3 (b x)^{2/3}}{2 b} \]

[Out]

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

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Rubi [A]  time = 0.00, antiderivative size = 14, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, integrand size = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {32} \[ \frac {3 (b x)^{2/3}}{2 b} \]

Antiderivative was successfully verified.

[In]

Int[(b*x)^(-1/3),x]

[Out]

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

Rule 32

Int[((a_.) + (b_.)*(x_))^(m_), x_Symbol] :> Simp[(a + b*x)^(m + 1)/(b*(m + 1)), x] /; FreeQ[{a, b, m}, x] && N
eQ[m, -1]

Rubi steps

\begin {align*} \int \frac {1}{\sqrt [3]{b x}} \, dx &=\frac {3 (b x)^{2/3}}{2 b}\\ \end {align*}

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Mathematica [A]  time = 0.00, size = 12, normalized size = 0.86 \[ \frac {3 x}{2 \sqrt [3]{b x}} \]

Antiderivative was successfully verified.

[In]

Integrate[(b*x)^(-1/3),x]

[Out]

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

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fricas [A]  time = 0.75, size = 10, normalized size = 0.71 \[ \frac {3 \, \left (b x\right )^{\frac {2}{3}}}{2 \, b} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(b*x)^(1/3),x, algorithm="fricas")

[Out]

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

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giac [A]  time = 0.16, size = 10, normalized size = 0.71 \[ \frac {3 \, \left (b x\right )^{\frac {2}{3}}}{2 \, b} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(b*x)^(1/3),x, algorithm="giac")

[Out]

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

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maple [A]  time = 0.00, size = 9, normalized size = 0.64 \[ \frac {3 x}{2 \left (b x \right )^{\frac {1}{3}}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/(b*x)^(1/3),x)

[Out]

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

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maxima [A]  time = 1.29, size = 10, normalized size = 0.71 \[ \frac {3 \, \left (b x\right )^{\frac {2}{3}}}{2 \, b} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(b*x)^(1/3),x, algorithm="maxima")

[Out]

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

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mupad [B]  time = 0.01, size = 10, normalized size = 0.71 \[ \frac {3\,{\left (b\,x\right )}^{2/3}}{2\,b} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/(b*x)^(1/3),x)

[Out]

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

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sympy [A]  time = 0.07, size = 10, normalized size = 0.71 \[ \frac {3 \left (b x\right )^{\frac {2}{3}}}{2 b} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(b*x)**(1/3),x)

[Out]

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

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