3.683 \(\int x^6 (A+B x) (a^2+2 a b x+b^2 x^2)^{5/2} \, dx\)

Optimal. Leaf size=303 \[ \frac{b^4 x^{12} \sqrt{a^2+2 a b x+b^2 x^2} (5 a B+A b)}{12 (a+b x)}+\frac{5 a b^3 x^{11} \sqrt{a^2+2 a b x+b^2 x^2} (2 a B+A b)}{11 (a+b x)}+\frac{a^2 b^2 x^{10} \sqrt{a^2+2 a b x+b^2 x^2} (a B+A b)}{a+b x}+\frac{5 a^3 b x^9 \sqrt{a^2+2 a b x+b^2 x^2} (a B+2 A b)}{9 (a+b x)}+\frac{a^4 x^8 \sqrt{a^2+2 a b x+b^2 x^2} (a B+5 A b)}{8 (a+b x)}+\frac{a^5 A x^7 \sqrt{a^2+2 a b x+b^2 x^2}}{7 (a+b x)}+\frac{b^5 B x^{13} \sqrt{a^2+2 a b x+b^2 x^2}}{13 (a+b x)} \]

[Out]

(a^5*A*x^7*Sqrt[a^2 + 2*a*b*x + b^2*x^2])/(7*(a + b*x)) + (a^4*(5*A*b + a*B)*x^8*Sqrt[a^2 + 2*a*b*x + b^2*x^2]
)/(8*(a + b*x)) + (5*a^3*b*(2*A*b + a*B)*x^9*Sqrt[a^2 + 2*a*b*x + b^2*x^2])/(9*(a + b*x)) + (a^2*b^2*(A*b + a*
B)*x^10*Sqrt[a^2 + 2*a*b*x + b^2*x^2])/(a + b*x) + (5*a*b^3*(A*b + 2*a*B)*x^11*Sqrt[a^2 + 2*a*b*x + b^2*x^2])/
(11*(a + b*x)) + (b^4*(A*b + 5*a*B)*x^12*Sqrt[a^2 + 2*a*b*x + b^2*x^2])/(12*(a + b*x)) + (b^5*B*x^13*Sqrt[a^2
+ 2*a*b*x + b^2*x^2])/(13*(a + b*x))

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Rubi [A]  time = 0.176753, antiderivative size = 303, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 29, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.069, Rules used = {770, 76} \[ \frac{b^4 x^{12} \sqrt{a^2+2 a b x+b^2 x^2} (5 a B+A b)}{12 (a+b x)}+\frac{5 a b^3 x^{11} \sqrt{a^2+2 a b x+b^2 x^2} (2 a B+A b)}{11 (a+b x)}+\frac{a^2 b^2 x^{10} \sqrt{a^2+2 a b x+b^2 x^2} (a B+A b)}{a+b x}+\frac{5 a^3 b x^9 \sqrt{a^2+2 a b x+b^2 x^2} (a B+2 A b)}{9 (a+b x)}+\frac{a^4 x^8 \sqrt{a^2+2 a b x+b^2 x^2} (a B+5 A b)}{8 (a+b x)}+\frac{a^5 A x^7 \sqrt{a^2+2 a b x+b^2 x^2}}{7 (a+b x)}+\frac{b^5 B x^{13} \sqrt{a^2+2 a b x+b^2 x^2}}{13 (a+b x)} \]

Antiderivative was successfully verified.

[In]

Int[x^6*(A + B*x)*(a^2 + 2*a*b*x + b^2*x^2)^(5/2),x]

[Out]

(a^5*A*x^7*Sqrt[a^2 + 2*a*b*x + b^2*x^2])/(7*(a + b*x)) + (a^4*(5*A*b + a*B)*x^8*Sqrt[a^2 + 2*a*b*x + b^2*x^2]
)/(8*(a + b*x)) + (5*a^3*b*(2*A*b + a*B)*x^9*Sqrt[a^2 + 2*a*b*x + b^2*x^2])/(9*(a + b*x)) + (a^2*b^2*(A*b + a*
B)*x^10*Sqrt[a^2 + 2*a*b*x + b^2*x^2])/(a + b*x) + (5*a*b^3*(A*b + 2*a*B)*x^11*Sqrt[a^2 + 2*a*b*x + b^2*x^2])/
(11*(a + b*x)) + (b^4*(A*b + 5*a*B)*x^12*Sqrt[a^2 + 2*a*b*x + b^2*x^2])/(12*(a + b*x)) + (b^5*B*x^13*Sqrt[a^2
+ 2*a*b*x + b^2*x^2])/(13*(a + b*x))

Rule 770

Int[((d_.) + (e_.)*(x_))^(m_.)*((f_.) + (g_.)*(x_))*((a_.) + (b_.)*(x_) + (c_.)*(x_)^2)^(p_), x_Symbol] :> Dis
t[(a + b*x + c*x^2)^FracPart[p]/(c^IntPart[p]*(b/2 + c*x)^(2*FracPart[p])), Int[(d + e*x)^m*(f + g*x)*(b/2 + c
*x)^(2*p), x], x] /; FreeQ[{a, b, c, d, e, f, g, m}, x] && EqQ[b^2 - 4*a*c, 0]

Rule 76

Int[((d_.)*(x_))^(n_.)*((a_) + (b_.)*(x_))*((e_) + (f_.)*(x_))^(p_.), x_Symbol] :> Int[ExpandIntegrand[(a + b*
x)*(d*x)^n*(e + f*x)^p, x], x] /; FreeQ[{a, b, d, e, f, n}, x] && IGtQ[p, 0] && (NeQ[n, -1] || EqQ[p, 1]) && N
eQ[b*e + a*f, 0] && ( !IntegerQ[n] || LtQ[9*p + 5*n, 0] || GeQ[n + p + 1, 0] || (GeQ[n + p + 2, 0] && Rational
Q[a, b, d, e, f])) && (NeQ[n + p + 3, 0] || EqQ[p, 1])

Rubi steps

\begin{align*} \int x^6 (A+B x) \left (a^2+2 a b x+b^2 x^2\right )^{5/2} \, dx &=\frac{\sqrt{a^2+2 a b x+b^2 x^2} \int x^6 \left (a b+b^2 x\right )^5 (A+B x) \, dx}{b^4 \left (a b+b^2 x\right )}\\ &=\frac{\sqrt{a^2+2 a b x+b^2 x^2} \int \left (a^5 A b^5 x^6+a^4 b^5 (5 A b+a B) x^7+5 a^3 b^6 (2 A b+a B) x^8+10 a^2 b^7 (A b+a B) x^9+5 a b^8 (A b+2 a B) x^{10}+b^9 (A b+5 a B) x^{11}+b^{10} B x^{12}\right ) \, dx}{b^4 \left (a b+b^2 x\right )}\\ &=\frac{a^5 A x^7 \sqrt{a^2+2 a b x+b^2 x^2}}{7 (a+b x)}+\frac{a^4 (5 A b+a B) x^8 \sqrt{a^2+2 a b x+b^2 x^2}}{8 (a+b x)}+\frac{5 a^3 b (2 A b+a B) x^9 \sqrt{a^2+2 a b x+b^2 x^2}}{9 (a+b x)}+\frac{a^2 b^2 (A b+a B) x^{10} \sqrt{a^2+2 a b x+b^2 x^2}}{a+b x}+\frac{5 a b^3 (A b+2 a B) x^{11} \sqrt{a^2+2 a b x+b^2 x^2}}{11 (a+b x)}+\frac{b^4 (A b+5 a B) x^{12} \sqrt{a^2+2 a b x+b^2 x^2}}{12 (a+b x)}+\frac{b^5 B x^{13} \sqrt{a^2+2 a b x+b^2 x^2}}{13 (a+b x)}\\ \end{align*}

Mathematica [A]  time = 0.0469435, size = 125, normalized size = 0.41 \[ \frac{x^7 \sqrt{(a+b x)^2} \left (8008 a^3 b^2 x^2 (10 A+9 B x)+6552 a^2 b^3 x^3 (11 A+10 B x)+5005 a^4 b x (9 A+8 B x)+1287 a^5 (8 A+7 B x)+2730 a b^4 x^4 (12 A+11 B x)+462 b^5 x^5 (13 A+12 B x)\right )}{72072 (a+b x)} \]

Antiderivative was successfully verified.

[In]

Integrate[x^6*(A + B*x)*(a^2 + 2*a*b*x + b^2*x^2)^(5/2),x]

[Out]

(x^7*Sqrt[(a + b*x)^2]*(1287*a^5*(8*A + 7*B*x) + 5005*a^4*b*x*(9*A + 8*B*x) + 8008*a^3*b^2*x^2*(10*A + 9*B*x)
+ 6552*a^2*b^3*x^3*(11*A + 10*B*x) + 2730*a*b^4*x^4*(12*A + 11*B*x) + 462*b^5*x^5*(13*A + 12*B*x)))/(72072*(a
+ b*x))

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Maple [A]  time = 0.007, size = 140, normalized size = 0.5 \begin{align*}{\frac{{x}^{7} \left ( 5544\,B{b}^{5}{x}^{6}+6006\,{x}^{5}A{b}^{5}+30030\,{x}^{5}Ba{b}^{4}+32760\,{x}^{4}Aa{b}^{4}+65520\,{x}^{4}B{a}^{2}{b}^{3}+72072\,A{a}^{2}{b}^{3}{x}^{3}+72072\,B{a}^{3}{b}^{2}{x}^{3}+80080\,{x}^{2}A{a}^{3}{b}^{2}+40040\,{x}^{2}B{a}^{4}b+45045\,xA{a}^{4}b+9009\,xB{a}^{5}+10296\,A{a}^{5} \right ) }{72072\, \left ( bx+a \right ) ^{5}} \left ( \left ( bx+a \right ) ^{2} \right ) ^{{\frac{5}{2}}}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x^6*(B*x+A)*(b^2*x^2+2*a*b*x+a^2)^(5/2),x)

[Out]

1/72072*x^7*(5544*B*b^5*x^6+6006*A*b^5*x^5+30030*B*a*b^4*x^5+32760*A*a*b^4*x^4+65520*B*a^2*b^3*x^4+72072*A*a^2
*b^3*x^3+72072*B*a^3*b^2*x^3+80080*A*a^3*b^2*x^2+40040*B*a^4*b*x^2+45045*A*a^4*b*x+9009*B*a^5*x+10296*A*a^5)*(
(b*x+a)^2)^(5/2)/(b*x+a)^5

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Maxima [F(-2)]  time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^6*(B*x+A)*(b^2*x^2+2*a*b*x+a^2)^(5/2),x, algorithm="maxima")

[Out]

Exception raised: ValueError

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Fricas [A]  time = 1.2217, size = 265, normalized size = 0.87 \begin{align*} \frac{1}{13} \, B b^{5} x^{13} + \frac{1}{7} \, A a^{5} x^{7} + \frac{1}{12} \,{\left (5 \, B a b^{4} + A b^{5}\right )} x^{12} + \frac{5}{11} \,{\left (2 \, B a^{2} b^{3} + A a b^{4}\right )} x^{11} +{\left (B a^{3} b^{2} + A a^{2} b^{3}\right )} x^{10} + \frac{5}{9} \,{\left (B a^{4} b + 2 \, A a^{3} b^{2}\right )} x^{9} + \frac{1}{8} \,{\left (B a^{5} + 5 \, A a^{4} b\right )} x^{8} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^6*(B*x+A)*(b^2*x^2+2*a*b*x+a^2)^(5/2),x, algorithm="fricas")

[Out]

1/13*B*b^5*x^13 + 1/7*A*a^5*x^7 + 1/12*(5*B*a*b^4 + A*b^5)*x^12 + 5/11*(2*B*a^2*b^3 + A*a*b^4)*x^11 + (B*a^3*b
^2 + A*a^2*b^3)*x^10 + 5/9*(B*a^4*b + 2*A*a^3*b^2)*x^9 + 1/8*(B*a^5 + 5*A*a^4*b)*x^8

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Sympy [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int x^{6} \left (A + B x\right ) \left (\left (a + b x\right )^{2}\right )^{\frac{5}{2}}\, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x**6*(B*x+A)*(b**2*x**2+2*a*b*x+a**2)**(5/2),x)

[Out]

Integral(x**6*(A + B*x)*((a + b*x)**2)**(5/2), x)

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Giac [A]  time = 1.24488, size = 297, normalized size = 0.98 \begin{align*} \frac{1}{13} \, B b^{5} x^{13} \mathrm{sgn}\left (b x + a\right ) + \frac{5}{12} \, B a b^{4} x^{12} \mathrm{sgn}\left (b x + a\right ) + \frac{1}{12} \, A b^{5} x^{12} \mathrm{sgn}\left (b x + a\right ) + \frac{10}{11} \, B a^{2} b^{3} x^{11} \mathrm{sgn}\left (b x + a\right ) + \frac{5}{11} \, A a b^{4} x^{11} \mathrm{sgn}\left (b x + a\right ) + B a^{3} b^{2} x^{10} \mathrm{sgn}\left (b x + a\right ) + A a^{2} b^{3} x^{10} \mathrm{sgn}\left (b x + a\right ) + \frac{5}{9} \, B a^{4} b x^{9} \mathrm{sgn}\left (b x + a\right ) + \frac{10}{9} \, A a^{3} b^{2} x^{9} \mathrm{sgn}\left (b x + a\right ) + \frac{1}{8} \, B a^{5} x^{8} \mathrm{sgn}\left (b x + a\right ) + \frac{5}{8} \, A a^{4} b x^{8} \mathrm{sgn}\left (b x + a\right ) + \frac{1}{7} \, A a^{5} x^{7} \mathrm{sgn}\left (b x + a\right ) - \frac{{\left (7 \, B a^{13} - 13 \, A a^{12} b\right )} \mathrm{sgn}\left (b x + a\right )}{72072 \, b^{8}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^6*(B*x+A)*(b^2*x^2+2*a*b*x+a^2)^(5/2),x, algorithm="giac")

[Out]

1/13*B*b^5*x^13*sgn(b*x + a) + 5/12*B*a*b^4*x^12*sgn(b*x + a) + 1/12*A*b^5*x^12*sgn(b*x + a) + 10/11*B*a^2*b^3
*x^11*sgn(b*x + a) + 5/11*A*a*b^4*x^11*sgn(b*x + a) + B*a^3*b^2*x^10*sgn(b*x + a) + A*a^2*b^3*x^10*sgn(b*x + a
) + 5/9*B*a^4*b*x^9*sgn(b*x + a) + 10/9*A*a^3*b^2*x^9*sgn(b*x + a) + 1/8*B*a^5*x^8*sgn(b*x + a) + 5/8*A*a^4*b*
x^8*sgn(b*x + a) + 1/7*A*a^5*x^7*sgn(b*x + a) - 1/72072*(7*B*a^13 - 13*A*a^12*b)*sgn(b*x + a)/b^8