3.1648 \(\int (a+\frac {b}{x}) x^{3/2} \, dx\)

Optimal. Leaf size=21 \[ \frac {2}{5} a x^{5/2}+\frac {2}{3} b x^{3/2} \]

[Out]

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

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Rubi [A]  time = 0.00, antiderivative size = 21, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {14} \[ \frac {2}{5} a x^{5/2}+\frac {2}{3} b x^{3/2} \]

Antiderivative was successfully verified.

[In]

Int[(a + b/x)*x^(3/2),x]

[Out]

(2*b*x^(3/2))/3 + (2*a*x^(5/2))/5

Rule 14

Int[(u_)*((c_.)*(x_))^(m_.), x_Symbol] :> Int[ExpandIntegrand[(c*x)^m*u, x], x] /; FreeQ[{c, m}, x] && SumQ[u]
&&  !LinearQ[u, x] &&  !MatchQ[u, (a_) + (b_.)*(v_) /; FreeQ[{a, b}, x] && InverseFunctionQ[v]]

Rubi steps

\begin {align*} \int \left (a+\frac {b}{x}\right ) x^{3/2} \, dx &=\int \left (b \sqrt {x}+a x^{3/2}\right ) \, dx\\ &=\frac {2}{3} b x^{3/2}+\frac {2}{5} a x^{5/2}\\ \end {align*}

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Mathematica [A]  time = 0.01, size = 17, normalized size = 0.81 \[ \frac {2}{15} x^{3/2} (3 a x+5 b) \]

Antiderivative was successfully verified.

[In]

Integrate[(a + b/x)*x^(3/2),x]

[Out]

(2*x^(3/2)*(5*b + 3*a*x))/15

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fricas [A]  time = 1.23, size = 16, normalized size = 0.76 \[ \frac {2}{15} \, {\left (3 \, a x^{2} + 5 \, b x\right )} \sqrt {x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b/x)*x^(3/2),x, algorithm="fricas")

[Out]

2/15*(3*a*x^2 + 5*b*x)*sqrt(x)

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giac [A]  time = 0.16, size = 13, normalized size = 0.62 \[ \frac {2}{5} \, a x^{\frac {5}{2}} + \frac {2}{3} \, b x^{\frac {3}{2}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b/x)*x^(3/2),x, algorithm="giac")

[Out]

2/5*a*x^(5/2) + 2/3*b*x^(3/2)

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maple [A]  time = 0.00, size = 14, normalized size = 0.67 \[ \frac {2 \left (3 a x +5 b \right ) x^{\frac {3}{2}}}{15} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a+b/x)*x^(3/2),x)

[Out]

2/15*(3*a*x+5*b)*x^(3/2)

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maxima [A]  time = 1.11, size = 15, normalized size = 0.71 \[ \frac {2}{15} \, {\left (3 \, a + \frac {5 \, b}{x}\right )} x^{\frac {5}{2}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b/x)*x^(3/2),x, algorithm="maxima")

[Out]

2/15*(3*a + 5*b/x)*x^(5/2)

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mupad [B]  time = 0.03, size = 13, normalized size = 0.62 \[ \frac {2\,x^{3/2}\,\left (5\,b+3\,a\,x\right )}{15} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x^(3/2)*(a + b/x),x)

[Out]

(2*x^(3/2)*(5*b + 3*a*x))/15

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sympy [A]  time = 0.72, size = 19, normalized size = 0.90 \[ \frac {2 a x^{\frac {5}{2}}}{5} + \frac {2 b x^{\frac {3}{2}}}{3} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b/x)*x**(3/2),x)

[Out]

2*a*x**(5/2)/5 + 2*b*x**(3/2)/3

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