3.79 \(\int (a+b x^3)^{7/3} (c+d x^3)^2 \, dx\)

Optimal. Leaf size=135 \[ \frac{a^2 x \sqrt [3]{a+b x^3} \left (2 a^2 d^2-14 a b c d+77 b^2 c^2\right ) \, _2F_1\left (-\frac{7}{3},\frac{1}{3};\frac{4}{3};-\frac{b x^3}{a}\right )}{77 b^2 \sqrt [3]{\frac{b x^3}{a}+1}}+\frac{d x \left (a+b x^3\right )^{10/3} (17 b c-4 a d)}{154 b^2}+\frac{d x \left (a+b x^3\right )^{10/3} \left (c+d x^3\right )}{14 b} \]

[Out]

(d*(17*b*c - 4*a*d)*x*(a + b*x^3)^(10/3))/(154*b^2) + (d*x*(a + b*x^3)^(10/3)*(c + d*x^3))/(14*b) + (a^2*(77*b
^2*c^2 - 14*a*b*c*d + 2*a^2*d^2)*x*(a + b*x^3)^(1/3)*Hypergeometric2F1[-7/3, 1/3, 4/3, -((b*x^3)/a)])/(77*b^2*
(1 + (b*x^3)/a)^(1/3))

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Rubi [A]  time = 0.0666526, antiderivative size = 135, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.19, Rules used = {416, 388, 246, 245} \[ \frac{a^2 x \sqrt [3]{a+b x^3} \left (2 a^2 d^2-14 a b c d+77 b^2 c^2\right ) \, _2F_1\left (-\frac{7}{3},\frac{1}{3};\frac{4}{3};-\frac{b x^3}{a}\right )}{77 b^2 \sqrt [3]{\frac{b x^3}{a}+1}}+\frac{d x \left (a+b x^3\right )^{10/3} (17 b c-4 a d)}{154 b^2}+\frac{d x \left (a+b x^3\right )^{10/3} \left (c+d x^3\right )}{14 b} \]

Antiderivative was successfully verified.

[In]

Int[(a + b*x^3)^(7/3)*(c + d*x^3)^2,x]

[Out]

(d*(17*b*c - 4*a*d)*x*(a + b*x^3)^(10/3))/(154*b^2) + (d*x*(a + b*x^3)^(10/3)*(c + d*x^3))/(14*b) + (a^2*(77*b
^2*c^2 - 14*a*b*c*d + 2*a^2*d^2)*x*(a + b*x^3)^(1/3)*Hypergeometric2F1[-7/3, 1/3, 4/3, -((b*x^3)/a)])/(77*b^2*
(1 + (b*x^3)/a)^(1/3))

Rule 416

Int[((a_) + (b_.)*(x_)^(n_))^(p_)*((c_) + (d_.)*(x_)^(n_))^(q_), x_Symbol] :> Simp[(d*x*(a + b*x^n)^(p + 1)*(c
+ d*x^n)^(q - 1))/(b*(n*(p + q) + 1)), x] + Dist[1/(b*(n*(p + q) + 1)), Int[(a + b*x^n)^p*(c + d*x^n)^(q - 2)
*Simp[c*(b*c*(n*(p + q) + 1) - a*d) + d*(b*c*(n*(p + 2*q - 1) + 1) - a*d*(n*(q - 1) + 1))*x^n, x], x], x] /; F
reeQ[{a, b, c, d, n, p}, x] && NeQ[b*c - a*d, 0] && GtQ[q, 1] && NeQ[n*(p + q) + 1, 0] &&  !IGtQ[p, 1] && IntB
inomialQ[a, b, c, d, n, p, q, x]

Rule 388

Int[((a_) + (b_.)*(x_)^(n_))^(p_)*((c_) + (d_.)*(x_)^(n_)), x_Symbol] :> Simp[(d*x*(a + b*x^n)^(p + 1))/(b*(n*
(p + 1) + 1)), x] - Dist[(a*d - b*c*(n*(p + 1) + 1))/(b*(n*(p + 1) + 1)), Int[(a + b*x^n)^p, x], x] /; FreeQ[{
a, b, c, d, n}, x] && NeQ[b*c - a*d, 0] && NeQ[n*(p + 1) + 1, 0]

Rule 246

Int[((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> Dist[(a^IntPart[p]*(a + b*x^n)^FracPart[p])/(1 + (b*x^n)/a)^Fr
acPart[p], Int[(1 + (b*x^n)/a)^p, x], x] /; FreeQ[{a, b, n, p}, x] &&  !IGtQ[p, 0] &&  !IntegerQ[1/n] &&  !ILt
Q[Simplify[1/n + p], 0] &&  !(IntegerQ[p] || GtQ[a, 0])

Rule 245

Int[((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> Simp[a^p*x*Hypergeometric2F1[-p, 1/n, 1/n + 1, -((b*x^n)/a)],
x] /; FreeQ[{a, b, n, p}, x] &&  !IGtQ[p, 0] &&  !IntegerQ[1/n] &&  !ILtQ[Simplify[1/n + p], 0] && (IntegerQ[p
] || GtQ[a, 0])

Rubi steps

\begin{align*} \int \left (a+b x^3\right )^{7/3} \left (c+d x^3\right )^2 \, dx &=\frac{d x \left (a+b x^3\right )^{10/3} \left (c+d x^3\right )}{14 b}+\frac{\int \left (a+b x^3\right )^{7/3} \left (c (14 b c-a d)+d (17 b c-4 a d) x^3\right ) \, dx}{14 b}\\ &=\frac{d (17 b c-4 a d) x \left (a+b x^3\right )^{10/3}}{154 b^2}+\frac{d x \left (a+b x^3\right )^{10/3} \left (c+d x^3\right )}{14 b}-\frac{(a d (17 b c-4 a d)-11 b c (14 b c-a d)) \int \left (a+b x^3\right )^{7/3} \, dx}{154 b^2}\\ &=\frac{d (17 b c-4 a d) x \left (a+b x^3\right )^{10/3}}{154 b^2}+\frac{d x \left (a+b x^3\right )^{10/3} \left (c+d x^3\right )}{14 b}-\frac{\left (a^2 (a d (17 b c-4 a d)-11 b c (14 b c-a d)) \sqrt [3]{a+b x^3}\right ) \int \left (1+\frac{b x^3}{a}\right )^{7/3} \, dx}{154 b^2 \sqrt [3]{1+\frac{b x^3}{a}}}\\ &=\frac{d (17 b c-4 a d) x \left (a+b x^3\right )^{10/3}}{154 b^2}+\frac{d x \left (a+b x^3\right )^{10/3} \left (c+d x^3\right )}{14 b}+\frac{a^2 \left (77 b^2 c^2-14 a b c d+2 a^2 d^2\right ) x \sqrt [3]{a+b x^3} \, _2F_1\left (-\frac{7}{3},\frac{1}{3};\frac{4}{3};-\frac{b x^3}{a}\right )}{77 b^2 \sqrt [3]{1+\frac{b x^3}{a}}}\\ \end{align*}

Mathematica [A]  time = 2.21409, size = 177, normalized size = 1.31 \[ \frac{a x \sqrt [3]{a+b x^3} \left (-9 b x^3 \text{Gamma}\left (-\frac{4}{3}\right ) \left (c+d x^3\right )^2 \text{HypergeometricPFQ}\left (\left \{-\frac{4}{3},\frac{4}{3},2\right \},\left \{1,\frac{13}{3}\right \},-\frac{b x^3}{a}\right )-3 b x^3 \text{Gamma}\left (-\frac{4}{3}\right ) \left (11 c^2+16 c d x^3+5 d^2 x^6\right ) \, _2F_1\left (-\frac{4}{3},\frac{4}{3};\frac{13}{3};-\frac{b x^3}{a}\right )+20 a \text{Gamma}\left (-\frac{7}{3}\right ) \left (14 c^2+7 c d x^3+2 d^2 x^6\right ) \, _2F_1\left (-\frac{7}{3},\frac{1}{3};\frac{10}{3};-\frac{b x^3}{a}\right )\right )}{280 \text{Gamma}\left (-\frac{7}{3}\right ) \sqrt [3]{\frac{b x^3}{a}+1}} \]

Warning: Unable to verify antiderivative.

[In]

Integrate[(a + b*x^3)^(7/3)*(c + d*x^3)^2,x]

[Out]

(a*x*(a + b*x^3)^(1/3)*(20*a*(14*c^2 + 7*c*d*x^3 + 2*d^2*x^6)*Gamma[-7/3]*Hypergeometric2F1[-7/3, 1/3, 10/3, -
((b*x^3)/a)] - 3*b*x^3*(11*c^2 + 16*c*d*x^3 + 5*d^2*x^6)*Gamma[-4/3]*Hypergeometric2F1[-4/3, 4/3, 13/3, -((b*x
^3)/a)] - 9*b*x^3*(c + d*x^3)^2*Gamma[-4/3]*HypergeometricPFQ[{-4/3, 4/3, 2}, {1, 13/3}, -((b*x^3)/a)]))/(280*
(1 + (b*x^3)/a)^(1/3)*Gamma[-7/3])

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Maple [F]  time = 0.216, size = 0, normalized size = 0. \begin{align*} \int \left ( b{x}^{3}+a \right ) ^{{\frac{7}{3}}} \left ( d{x}^{3}+c \right ) ^{2}\, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((b*x^3+a)^(7/3)*(d*x^3+c)^2,x)

[Out]

int((b*x^3+a)^(7/3)*(d*x^3+c)^2,x)

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Maxima [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (b x^{3} + a\right )}^{\frac{7}{3}}{\left (d x^{3} + c\right )}^{2}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x^3+a)^(7/3)*(d*x^3+c)^2,x, algorithm="maxima")

[Out]

integrate((b*x^3 + a)^(7/3)*(d*x^3 + c)^2, x)

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Fricas [F]  time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left ({\left (b^{2} d^{2} x^{12} + 2 \,{\left (b^{2} c d + a b d^{2}\right )} x^{9} +{\left (b^{2} c^{2} + 4 \, a b c d + a^{2} d^{2}\right )} x^{6} + a^{2} c^{2} + 2 \,{\left (a b c^{2} + a^{2} c d\right )} x^{3}\right )}{\left (b x^{3} + a\right )}^{\frac{1}{3}}, x\right ) \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x^3+a)^(7/3)*(d*x^3+c)^2,x, algorithm="fricas")

[Out]

integral((b^2*d^2*x^12 + 2*(b^2*c*d + a*b*d^2)*x^9 + (b^2*c^2 + 4*a*b*c*d + a^2*d^2)*x^6 + a^2*c^2 + 2*(a*b*c^
2 + a^2*c*d)*x^3)*(b*x^3 + a)^(1/3), x)

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Sympy [C]  time = 13.7693, size = 418, normalized size = 3.1 \begin{align*} \text{result too large to display} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x**3+a)**(7/3)*(d*x**3+c)**2,x)

[Out]

a**(7/3)*c**2*x*gamma(1/3)*hyper((-1/3, 1/3), (4/3,), b*x**3*exp_polar(I*pi)/a)/(3*gamma(4/3)) + 2*a**(7/3)*c*
d*x**4*gamma(4/3)*hyper((-1/3, 4/3), (7/3,), b*x**3*exp_polar(I*pi)/a)/(3*gamma(7/3)) + a**(7/3)*d**2*x**7*gam
ma(7/3)*hyper((-1/3, 7/3), (10/3,), b*x**3*exp_polar(I*pi)/a)/(3*gamma(10/3)) + 2*a**(4/3)*b*c**2*x**4*gamma(4
/3)*hyper((-1/3, 4/3), (7/3,), b*x**3*exp_polar(I*pi)/a)/(3*gamma(7/3)) + 4*a**(4/3)*b*c*d*x**7*gamma(7/3)*hyp
er((-1/3, 7/3), (10/3,), b*x**3*exp_polar(I*pi)/a)/(3*gamma(10/3)) + 2*a**(4/3)*b*d**2*x**10*gamma(10/3)*hyper
((-1/3, 10/3), (13/3,), b*x**3*exp_polar(I*pi)/a)/(3*gamma(13/3)) + a**(1/3)*b**2*c**2*x**7*gamma(7/3)*hyper((
-1/3, 7/3), (10/3,), b*x**3*exp_polar(I*pi)/a)/(3*gamma(10/3)) + 2*a**(1/3)*b**2*c*d*x**10*gamma(10/3)*hyper((
-1/3, 10/3), (13/3,), b*x**3*exp_polar(I*pi)/a)/(3*gamma(13/3)) + a**(1/3)*b**2*d**2*x**13*gamma(13/3)*hyper((
-1/3, 13/3), (16/3,), b*x**3*exp_polar(I*pi)/a)/(3*gamma(16/3))

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Giac [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (b x^{3} + a\right )}^{\frac{7}{3}}{\left (d x^{3} + c\right )}^{2}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x^3+a)^(7/3)*(d*x^3+c)^2,x, algorithm="giac")

[Out]

integrate((b*x^3 + a)^(7/3)*(d*x^3 + c)^2, x)