3.650 \(\int x^{5/3} (a+b x) \, dx\)

Optimal. Leaf size=21 \[ \frac{3}{8} a x^{8/3}+\frac{3}{11} b x^{11/3} \]

[Out]

(3*a*x^(8/3))/8 + (3*b*x^(11/3))/11

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Rubi [A]  time = 0.0035423, antiderivative size = 21, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 11, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.091, Rules used = {43} \[ \frac{3}{8} a x^{8/3}+\frac{3}{11} b x^{11/3} \]

Antiderivative was successfully verified.

[In]

Int[x^(5/3)*(a + b*x),x]

[Out]

(3*a*x^(8/3))/8 + (3*b*x^(11/3))/11

Rule 43

Int[((a_.) + (b_.)*(x_))^(m_.)*((c_.) + (d_.)*(x_))^(n_.), x_Symbol] :> Int[ExpandIntegrand[(a + b*x)^m*(c + d
*x)^n, x], x] /; FreeQ[{a, b, c, d, n}, x] && NeQ[b*c - a*d, 0] && IGtQ[m, 0] && ( !IntegerQ[n] || (EqQ[c, 0]
&& LeQ[7*m + 4*n + 4, 0]) || LtQ[9*m + 5*(n + 1), 0] || GtQ[m + n + 2, 0])

Rubi steps

\begin{align*} \int x^{5/3} (a+b x) \, dx &=\int \left (a x^{5/3}+b x^{8/3}\right ) \, dx\\ &=\frac{3}{8} a x^{8/3}+\frac{3}{11} b x^{11/3}\\ \end{align*}

Mathematica [A]  time = 0.00556, size = 17, normalized size = 0.81 \[ \frac{3}{88} x^{8/3} (11 a+8 b x) \]

Antiderivative was successfully verified.

[In]

Integrate[x^(5/3)*(a + b*x),x]

[Out]

(3*x^(8/3)*(11*a + 8*b*x))/88

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Maple [A]  time = 0.002, size = 14, normalized size = 0.7 \begin{align*}{\frac{24\,bx+33\,a}{88}{x}^{{\frac{8}{3}}}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x^(5/3)*(b*x+a),x)

[Out]

3/88*x^(8/3)*(8*b*x+11*a)

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Maxima [A]  time = 1.07222, size = 18, normalized size = 0.86 \begin{align*} \frac{3}{11} \, b x^{\frac{11}{3}} + \frac{3}{8} \, a x^{\frac{8}{3}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^(5/3)*(b*x+a),x, algorithm="maxima")

[Out]

3/11*b*x^(11/3) + 3/8*a*x^(8/3)

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Fricas [A]  time = 1.38988, size = 47, normalized size = 2.24 \begin{align*} \frac{3}{88} \,{\left (8 \, b x^{3} + 11 \, a x^{2}\right )} x^{\frac{2}{3}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^(5/3)*(b*x+a),x, algorithm="fricas")

[Out]

3/88*(8*b*x^3 + 11*a*x^2)*x^(2/3)

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Sympy [A]  time = 2.21241, size = 19, normalized size = 0.9 \begin{align*} \frac{3 a x^{\frac{8}{3}}}{8} + \frac{3 b x^{\frac{11}{3}}}{11} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x**(5/3)*(b*x+a),x)

[Out]

3*a*x**(8/3)/8 + 3*b*x**(11/3)/11

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Giac [A]  time = 1.04928, size = 18, normalized size = 0.86 \begin{align*} \frac{3}{11} \, b x^{\frac{11}{3}} + \frac{3}{8} \, a x^{\frac{8}{3}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^(5/3)*(b*x+a),x, algorithm="giac")

[Out]

3/11*b*x^(11/3) + 3/8*a*x^(8/3)