3.4.44 \(\int \sqrt {x} (a+b x^2)^3 (A+B x^2) \, dx\)

Optimal. Leaf size=85 \[ \frac {2}{3} a^3 A x^{3/2}+\frac {2}{7} a^2 x^{7/2} (a B+3 A b)+\frac {2}{15} b^2 x^{15/2} (3 a B+A b)+\frac {6}{11} a b x^{11/2} (a B+A b)+\frac {2}{19} b^3 B x^{19/2} \]

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Rubi [A]  time = 0.04, antiderivative size = 85, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.045, Rules used = {448} \begin {gather*} \frac {2}{7} a^2 x^{7/2} (a B+3 A b)+\frac {2}{3} a^3 A x^{3/2}+\frac {2}{15} b^2 x^{15/2} (3 a B+A b)+\frac {6}{11} a b x^{11/2} (a B+A b)+\frac {2}{19} b^3 B x^{19/2} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[Sqrt[x]*(a + b*x^2)^3*(A + B*x^2),x]

[Out]

(2*a^3*A*x^(3/2))/3 + (2*a^2*(3*A*b + a*B)*x^(7/2))/7 + (6*a*b*(A*b + a*B)*x^(11/2))/11 + (2*b^2*(A*b + 3*a*B)
*x^(15/2))/15 + (2*b^3*B*x^(19/2))/19

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 \sqrt {x} \left (a+b x^2\right )^3 \left (A+B x^2\right ) \, dx &=\int \left (a^3 A \sqrt {x}+a^2 (3 A b+a B) x^{5/2}+3 a b (A b+a B) x^{9/2}+b^2 (A b+3 a B) x^{13/2}+b^3 B x^{17/2}\right ) \, dx\\ &=\frac {2}{3} a^3 A x^{3/2}+\frac {2}{7} a^2 (3 A b+a B) x^{7/2}+\frac {6}{11} a b (A b+a B) x^{11/2}+\frac {2}{15} b^2 (A b+3 a B) x^{15/2}+\frac {2}{19} b^3 B x^{19/2}\\ \end {align*}

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Mathematica [A]  time = 0.04, size = 71, normalized size = 0.84 \begin {gather*} \frac {2 x^{3/2} \left (7315 a^3 A+3135 a^2 x^2 (a B+3 A b)+1463 b^2 x^6 (3 a B+A b)+5985 a b x^4 (a B+A b)+1155 b^3 B x^8\right )}{21945} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[Sqrt[x]*(a + b*x^2)^3*(A + B*x^2),x]

[Out]

(2*x^(3/2)*(7315*a^3*A + 3135*a^2*(3*A*b + a*B)*x^2 + 5985*a*b*(A*b + a*B)*x^4 + 1463*b^2*(A*b + 3*a*B)*x^6 +
1155*b^3*B*x^8))/21945

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IntegrateAlgebraic [A]  time = 0.04, size = 97, normalized size = 1.14 \begin {gather*} \frac {2 \left (7315 a^3 A x^{3/2}+3135 a^3 B x^{7/2}+9405 a^2 A b x^{7/2}+5985 a^2 b B x^{11/2}+5985 a A b^2 x^{11/2}+4389 a b^2 B x^{15/2}+1463 A b^3 x^{15/2}+1155 b^3 B x^{19/2}\right )}{21945} \end {gather*}

Antiderivative was successfully verified.

[In]

IntegrateAlgebraic[Sqrt[x]*(a + b*x^2)^3*(A + B*x^2),x]

[Out]

(2*(7315*a^3*A*x^(3/2) + 9405*a^2*A*b*x^(7/2) + 3135*a^3*B*x^(7/2) + 5985*a*A*b^2*x^(11/2) + 5985*a^2*b*B*x^(1
1/2) + 1463*A*b^3*x^(15/2) + 4389*a*b^2*B*x^(15/2) + 1155*b^3*B*x^(19/2)))/21945

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fricas [A]  time = 0.89, size = 76, normalized size = 0.89 \begin {gather*} \frac {2}{21945} \, {\left (1155 \, B b^{3} x^{9} + 1463 \, {\left (3 \, B a b^{2} + A b^{3}\right )} x^{7} + 5985 \, {\left (B a^{2} b + A a b^{2}\right )} x^{5} + 7315 \, A a^{3} x + 3135 \, {\left (B a^{3} + 3 \, A a^{2} b\right )} x^{3}\right )} \sqrt {x} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x^2+a)^3*(B*x^2+A)*x^(1/2),x, algorithm="fricas")

[Out]

2/21945*(1155*B*b^3*x^9 + 1463*(3*B*a*b^2 + A*b^3)*x^7 + 5985*(B*a^2*b + A*a*b^2)*x^5 + 7315*A*a^3*x + 3135*(B
*a^3 + 3*A*a^2*b)*x^3)*sqrt(x)

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giac [A]  time = 0.40, size = 77, normalized size = 0.91 \begin {gather*} \frac {2}{19} \, B b^{3} x^{\frac {19}{2}} + \frac {2}{5} \, B a b^{2} x^{\frac {15}{2}} + \frac {2}{15} \, A b^{3} x^{\frac {15}{2}} + \frac {6}{11} \, B a^{2} b x^{\frac {11}{2}} + \frac {6}{11} \, A a b^{2} x^{\frac {11}{2}} + \frac {2}{7} \, B a^{3} x^{\frac {7}{2}} + \frac {6}{7} \, A a^{2} b x^{\frac {7}{2}} + \frac {2}{3} \, A a^{3} x^{\frac {3}{2}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x^2+a)^3*(B*x^2+A)*x^(1/2),x, algorithm="giac")

[Out]

2/19*B*b^3*x^(19/2) + 2/5*B*a*b^2*x^(15/2) + 2/15*A*b^3*x^(15/2) + 6/11*B*a^2*b*x^(11/2) + 6/11*A*a*b^2*x^(11/
2) + 2/7*B*a^3*x^(7/2) + 6/7*A*a^2*b*x^(7/2) + 2/3*A*a^3*x^(3/2)

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maple [A]  time = 0.01, size = 80, normalized size = 0.94 \begin {gather*} \frac {2 \left (1155 B \,b^{3} x^{8}+1463 x^{6} A \,b^{3}+4389 B a \,b^{2} x^{6}+5985 x^{4} A a \,b^{2}+5985 x^{4} B \,a^{2} b +9405 A \,a^{2} b \,x^{2}+3135 B \,a^{3} x^{2}+7315 A \,a^{3}\right ) x^{\frac {3}{2}}}{21945} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((b*x^2+a)^3*(B*x^2+A)*x^(1/2),x)

[Out]

2/21945*x^(3/2)*(1155*B*b^3*x^8+1463*A*b^3*x^6+4389*B*a*b^2*x^6+5985*A*a*b^2*x^4+5985*B*a^2*b*x^4+9405*A*a^2*b
*x^2+3135*B*a^3*x^2+7315*A*a^3)

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maxima [A]  time = 1.17, size = 73, normalized size = 0.86 \begin {gather*} \frac {2}{19} \, B b^{3} x^{\frac {19}{2}} + \frac {2}{15} \, {\left (3 \, B a b^{2} + A b^{3}\right )} x^{\frac {15}{2}} + \frac {6}{11} \, {\left (B a^{2} b + A a b^{2}\right )} x^{\frac {11}{2}} + \frac {2}{3} \, A a^{3} x^{\frac {3}{2}} + \frac {2}{7} \, {\left (B a^{3} + 3 \, A a^{2} b\right )} x^{\frac {7}{2}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x^2+a)^3*(B*x^2+A)*x^(1/2),x, algorithm="maxima")

[Out]

2/19*B*b^3*x^(19/2) + 2/15*(3*B*a*b^2 + A*b^3)*x^(15/2) + 6/11*(B*a^2*b + A*a*b^2)*x^(11/2) + 2/3*A*a^3*x^(3/2
) + 2/7*(B*a^3 + 3*A*a^2*b)*x^(7/2)

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mupad [B]  time = 0.03, size = 69, normalized size = 0.81 \begin {gather*} x^{7/2}\,\left (\frac {2\,B\,a^3}{7}+\frac {6\,A\,b\,a^2}{7}\right )+x^{15/2}\,\left (\frac {2\,A\,b^3}{15}+\frac {2\,B\,a\,b^2}{5}\right )+\frac {2\,A\,a^3\,x^{3/2}}{3}+\frac {2\,B\,b^3\,x^{19/2}}{19}+\frac {6\,a\,b\,x^{11/2}\,\left (A\,b+B\,a\right )}{11} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x^(1/2)*(A + B*x^2)*(a + b*x^2)^3,x)

[Out]

x^(7/2)*((2*B*a^3)/7 + (6*A*a^2*b)/7) + x^(15/2)*((2*A*b^3)/15 + (2*B*a*b^2)/5) + (2*A*a^3*x^(3/2))/3 + (2*B*b
^3*x^(19/2))/19 + (6*a*b*x^(11/2)*(A*b + B*a))/11

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sympy [A]  time = 3.34, size = 95, normalized size = 1.12 \begin {gather*} \frac {2 A a^{3} x^{\frac {3}{2}}}{3} + \frac {2 B b^{3} x^{\frac {19}{2}}}{19} + \frac {2 x^{\frac {15}{2}} \left (A b^{3} + 3 B a b^{2}\right )}{15} + \frac {2 x^{\frac {11}{2}} \left (3 A a b^{2} + 3 B a^{2} b\right )}{11} + \frac {2 x^{\frac {7}{2}} \left (3 A a^{2} b + B a^{3}\right )}{7} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x**2+a)**3*(B*x**2+A)*x**(1/2),x)

[Out]

2*A*a**3*x**(3/2)/3 + 2*B*b**3*x**(19/2)/19 + 2*x**(15/2)*(A*b**3 + 3*B*a*b**2)/15 + 2*x**(11/2)*(3*A*a*b**2 +
3*B*a**2*b)/11 + 2*x**(7/2)*(3*A*a**2*b + B*a**3)/7

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