\(\int (a+b x^3)^{7/3} (c+d x^3)^2 \, dx\) [79]

Optimal result

Integrand size = 21, antiderivative size = 135 \[ \int \left (a+b x^3\right )^{7/3} \left (c+d x^3\right )^2 \, dx=\frac {d (17 b c-4 a d) x \left (a+b x^3\right )^{10/3}}{154 b^2}+\frac {d x \left (a+b x^3\right )^{10/3} \left (c+d x^3\right )}{14 b}+\frac {a^2 \left (77 b^2 c^2-14 a b c d+2 a^2 d^2\right ) x \sqrt [3]{a+b x^3} \operatorname {Hypergeometric2F1}\left (-\frac {7}{3},\frac {1}{3},\frac {4}{3},-\frac {b x^3}{a}\right )}{77 b^2 \sqrt [3]{1+\frac {b x^3}{a}}} \]

[Out]

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

Rubi [A] (verified)

Time = 0.05 (sec) , antiderivative size = 135, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.190, Rules used = {427, 396, 252, 251} \[ \int \left (a+b x^3\right )^{7/3} \left (c+d x^3\right )^2 \, dx=\frac {a^2 x \sqrt [3]{a+b x^3} \left (2 a^2 d^2-14 a b c d+77 b^2 c^2\right ) \operatorname {Hypergeometric2F1}\left (-\frac {7}{3},\frac {1}{3},\frac {4}{3},-\frac {b x^3}{a}\right )}{77 b^2 \sqrt [3]{\frac {b x^3}{a}+1}}+\frac {d x \left (a+b x^3\right )^{10/3} (17 b c-4 a d)}{154 b^2}+\frac {d x \left (a+b x^3\right )^{10/3} \left (c+d x^3\right )}{14 b} \]

[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 251

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])

Rule 252

Int[((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> Dist[a^IntPart[p]*((a + b*x^n)^FracPart[p]/(1 + b*(x^n/a))^Fra
cPart[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 396

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 427

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]

Rubi steps \begin{align*} \text {integral}& = \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] (warning: unable to verify)

Time = 12.60 (sec) , antiderivative size = 177, normalized size of antiderivative = 1.31 \[ \int \left (a+b x^3\right )^{7/3} \left (c+d x^3\right )^2 \, dx=\frac {a x \sqrt [3]{a+b x^3} \left (20 a \left (14 c^2+7 c d x^3+2 d^2 x^6\right ) \operatorname {Gamma}\left (-\frac {7}{3}\right ) \operatorname {Hypergeometric2F1}\left (-\frac {7}{3},\frac {1}{3},\frac {10}{3},-\frac {b x^3}{a}\right )-3 b x^3 \left (11 c^2+16 c d x^3+5 d^2 x^6\right ) \operatorname {Gamma}\left (-\frac {4}{3}\right ) \operatorname {Hypergeometric2F1}\left (-\frac {4}{3},\frac {4}{3},\frac {13}{3},-\frac {b x^3}{a}\right )-9 b x^3 \left (c+d x^3\right )^2 \operatorname {Gamma}\left (-\frac {4}{3}\right ) \, _3F_2\left (-\frac {4}{3},\frac {4}{3},2;1,\frac {13}{3};-\frac {b x^3}{a}\right )\right )}{280 \sqrt [3]{1+\frac {b x^3}{a}} \operatorname {Gamma}\left (-\frac {7}{3}\right )} \]

[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])

Maple [F]

\[\int \left (b \,x^{3}+a \right )^{\frac {7}{3}} \left (d \,x^{3}+c \right )^{2}d x\]

[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)

Fricas [F]

\[ \int \left (a+b x^3\right )^{7/3} \left (c+d x^3\right )^2 \, dx=\int { {\left (b x^{3} + a\right )}^{\frac {7}{3}} {\left (d x^{3} + c\right )}^{2} \,d x } \]

[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)

Sympy [C] (verification not implemented)

Result contains complex when optimal does not.

Time = 4.01 (sec) , antiderivative size = 418, normalized size of antiderivative = 3.10 \[ \int \left (a+b x^3\right )^{7/3} \left (c+d x^3\right )^2 \, dx=\frac {a^{\frac {7}{3}} c^{2} x \Gamma \left (\frac {1}{3}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {1}{3}, \frac {1}{3} \\ \frac {4}{3} \end {matrix}\middle | {\frac {b x^{3} e^{i \pi }}{a}} \right )}}{3 \Gamma \left (\frac {4}{3}\right )} + \frac {2 a^{\frac {7}{3}} c d x^{4} \Gamma \left (\frac {4}{3}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {1}{3}, \frac {4}{3} \\ \frac {7}{3} \end {matrix}\middle | {\frac {b x^{3} e^{i \pi }}{a}} \right )}}{3 \Gamma \left (\frac {7}{3}\right )} + \frac {a^{\frac {7}{3}} d^{2} x^{7} \Gamma \left (\frac {7}{3}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {1}{3}, \frac {7}{3} \\ \frac {10}{3} \end {matrix}\middle | {\frac {b x^{3} e^{i \pi }}{a}} \right )}}{3 \Gamma \left (\frac {10}{3}\right )} + \frac {2 a^{\frac {4}{3}} b c^{2} x^{4} \Gamma \left (\frac {4}{3}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {1}{3}, \frac {4}{3} \\ \frac {7}{3} \end {matrix}\middle | {\frac {b x^{3} e^{i \pi }}{a}} \right )}}{3 \Gamma \left (\frac {7}{3}\right )} + \frac {4 a^{\frac {4}{3}} b c d x^{7} \Gamma \left (\frac {7}{3}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {1}{3}, \frac {7}{3} \\ \frac {10}{3} \end {matrix}\middle | {\frac {b x^{3} e^{i \pi }}{a}} \right )}}{3 \Gamma \left (\frac {10}{3}\right )} + \frac {2 a^{\frac {4}{3}} b d^{2} x^{10} \Gamma \left (\frac {10}{3}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {1}{3}, \frac {10}{3} \\ \frac {13}{3} \end {matrix}\middle | {\frac {b x^{3} e^{i \pi }}{a}} \right )}}{3 \Gamma \left (\frac {13}{3}\right )} + \frac {\sqrt [3]{a} b^{2} c^{2} x^{7} \Gamma \left (\frac {7}{3}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {1}{3}, \frac {7}{3} \\ \frac {10}{3} \end {matrix}\middle | {\frac {b x^{3} e^{i \pi }}{a}} \right )}}{3 \Gamma \left (\frac {10}{3}\right )} + \frac {2 \sqrt [3]{a} b^{2} c d x^{10} \Gamma \left (\frac {10}{3}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {1}{3}, \frac {10}{3} \\ \frac {13}{3} \end {matrix}\middle | {\frac {b x^{3} e^{i \pi }}{a}} \right )}}{3 \Gamma \left (\frac {13}{3}\right )} + \frac {\sqrt [3]{a} b^{2} d^{2} x^{13} \Gamma \left (\frac {13}{3}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {1}{3}, \frac {13}{3} \\ \frac {16}{3} \end {matrix}\middle | {\frac {b x^{3} e^{i \pi }}{a}} \right )}}{3 \Gamma \left (\frac {16}{3}\right )} \]

[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))

Maxima [F]

\[ \int \left (a+b x^3\right )^{7/3} \left (c+d x^3\right )^2 \, dx=\int { {\left (b x^{3} + a\right )}^{\frac {7}{3}} {\left (d x^{3} + c\right )}^{2} \,d x } \]

[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)

Giac [F]

\[ \int \left (a+b x^3\right )^{7/3} \left (c+d x^3\right )^2 \, dx=\int { {\left (b x^{3} + a\right )}^{\frac {7}{3}} {\left (d x^{3} + c\right )}^{2} \,d x } \]

[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)

Mupad [F(-1)]

Timed out. \[ \int \left (a+b x^3\right )^{7/3} \left (c+d x^3\right )^2 \, dx=\int {\left (b\,x^3+a\right )}^{7/3}\,{\left (d\,x^3+c\right )}^2 \,d x \]

[In]

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

[Out]

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