3.161 \(\int x^{3/2} (A+B x^2) (b x^2+c x^4) \, dx\)

Optimal. Leaf size=39 \[ \frac{2}{13} x^{13/2} (A c+b B)+\frac{2}{9} A b x^{9/2}+\frac{2}{17} B c x^{17/2} \]

[Out]

(2*A*b*x^(9/2))/9 + (2*(b*B + A*c)*x^(13/2))/13 + (2*B*c*x^(17/2))/17

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Rubi [A]  time = 0.0229939, antiderivative size = 39, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 24, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.083, Rules used = {1584, 448} \[ \frac{2}{13} x^{13/2} (A c+b B)+\frac{2}{9} A b x^{9/2}+\frac{2}{17} B c x^{17/2} \]

Antiderivative was successfully verified.

[In]

Int[x^(3/2)*(A + B*x^2)*(b*x^2 + c*x^4),x]

[Out]

(2*A*b*x^(9/2))/9 + (2*(b*B + A*c)*x^(13/2))/13 + (2*B*c*x^(17/2))/17

Rule 1584

Int[(u_.)*(x_)^(m_.)*((a_.)*(x_)^(p_.) + (b_.)*(x_)^(q_.))^(n_.), x_Symbol] :> Int[u*x^(m + n*p)*(a + b*x^(q -
p))^n, x] /; FreeQ[{a, b, m, p, q}, x] && IntegerQ[n] && PosQ[q - p]

Rule 448

Int[((e_.)*(x_))^(m_.)*((a_) + (b_.)*(x_)^(n_))^(p_.)*((c_) + (d_.)*(x_)^(n_))^(q_.), x_Symbol] :> Int[ExpandI
ntegrand[(e*x)^m*(a + b*x^n)^p*(c + d*x^n)^q, x], x] /; FreeQ[{a, b, c, d, e, m, n}, x] && NeQ[b*c - a*d, 0] &
& IGtQ[p, 0] && IGtQ[q, 0]

Rubi steps

\begin{align*} \int x^{3/2} \left (A+B x^2\right ) \left (b x^2+c x^4\right ) \, dx &=\int x^{7/2} \left (A+B x^2\right ) \left (b+c x^2\right ) \, dx\\ &=\int \left (A b x^{7/2}+(b B+A c) x^{11/2}+B c x^{15/2}\right ) \, dx\\ &=\frac{2}{9} A b x^{9/2}+\frac{2}{13} (b B+A c) x^{13/2}+\frac{2}{17} B c x^{17/2}\\ \end{align*}

Mathematica [A]  time = 0.0155499, size = 33, normalized size = 0.85 \[ \frac{2 x^{9/2} \left (153 x^2 (A c+b B)+221 A b+117 B c x^4\right )}{1989} \]

Antiderivative was successfully verified.

[In]

Integrate[x^(3/2)*(A + B*x^2)*(b*x^2 + c*x^4),x]

[Out]

(2*x^(9/2)*(221*A*b + 153*(b*B + A*c)*x^2 + 117*B*c*x^4))/1989

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Maple [A]  time = 0.003, size = 32, normalized size = 0.8 \begin{align*}{\frac{234\,Bc{x}^{4}+306\,A{x}^{2}c+306\,B{x}^{2}b+442\,Ab}{1989}{x}^{{\frac{9}{2}}}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x^(3/2)*(B*x^2+A)*(c*x^4+b*x^2),x)

[Out]

2/1989*x^(9/2)*(117*B*c*x^4+153*A*c*x^2+153*B*b*x^2+221*A*b)

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Maxima [A]  time = 1.06539, size = 36, normalized size = 0.92 \begin{align*} \frac{2}{17} \, B c x^{\frac{17}{2}} + \frac{2}{13} \,{\left (B b + A c\right )} x^{\frac{13}{2}} + \frac{2}{9} \, A b x^{\frac{9}{2}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^(3/2)*(B*x^2+A)*(c*x^4+b*x^2),x, algorithm="maxima")

[Out]

2/17*B*c*x^(17/2) + 2/13*(B*b + A*c)*x^(13/2) + 2/9*A*b*x^(9/2)

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Fricas [A]  time = 1.55594, size = 89, normalized size = 2.28 \begin{align*} \frac{2}{1989} \,{\left (117 \, B c x^{8} + 153 \,{\left (B b + A c\right )} x^{6} + 221 \, A b x^{4}\right )} \sqrt{x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^(3/2)*(B*x^2+A)*(c*x^4+b*x^2),x, algorithm="fricas")

[Out]

2/1989*(117*B*c*x^8 + 153*(B*b + A*c)*x^6 + 221*A*b*x^4)*sqrt(x)

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Sympy [A]  time = 10.2908, size = 46, normalized size = 1.18 \begin{align*} \frac{2 A b x^{\frac{9}{2}}}{9} + \frac{2 A c x^{\frac{13}{2}}}{13} + \frac{2 B b x^{\frac{13}{2}}}{13} + \frac{2 B c x^{\frac{17}{2}}}{17} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x**(3/2)*(B*x**2+A)*(c*x**4+b*x**2),x)

[Out]

2*A*b*x**(9/2)/9 + 2*A*c*x**(13/2)/13 + 2*B*b*x**(13/2)/13 + 2*B*c*x**(17/2)/17

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Giac [A]  time = 1.13722, size = 39, normalized size = 1. \begin{align*} \frac{2}{17} \, B c x^{\frac{17}{2}} + \frac{2}{13} \, B b x^{\frac{13}{2}} + \frac{2}{13} \, A c x^{\frac{13}{2}} + \frac{2}{9} \, A b x^{\frac{9}{2}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^(3/2)*(B*x^2+A)*(c*x^4+b*x^2),x, algorithm="giac")

[Out]

2/17*B*c*x^(17/2) + 2/13*B*b*x^(13/2) + 2/13*A*c*x^(13/2) + 2/9*A*b*x^(9/2)