3.2346 \(\int \frac {(a+b \sqrt [3]{x})^{15}}{x^2} \, dx\)

Optimal. Leaf size=202 \[ -\frac {a^{15}}{x}-\frac {45 a^{14} b}{2 x^{2/3}}-\frac {315 a^{13} b^2}{\sqrt [3]{x}}+455 a^{12} b^3 \log (x)+4095 a^{11} b^4 \sqrt [3]{x}+\frac {9009}{2} a^{10} b^5 x^{2/3}+5005 a^9 b^6 x+\frac {19305}{4} a^8 b^7 x^{4/3}+3861 a^7 b^8 x^{5/3}+\frac {5005}{2} a^6 b^9 x^2+1287 a^5 b^{10} x^{7/3}+\frac {4095}{8} a^4 b^{11} x^{8/3}+\frac {455}{3} a^3 b^{12} x^3+\frac {63}{2} a^2 b^{13} x^{10/3}+\frac {45}{11} a b^{14} x^{11/3}+\frac {b^{15} x^4}{4} \]

[Out]

-a^15/x-45/2*a^14*b/x^(2/3)-315*a^13*b^2/x^(1/3)+4095*a^11*b^4*x^(1/3)+9009/2*a^10*b^5*x^(2/3)+5005*a^9*b^6*x+
19305/4*a^8*b^7*x^(4/3)+3861*a^7*b^8*x^(5/3)+5005/2*a^6*b^9*x^2+1287*a^5*b^10*x^(7/3)+4095/8*a^4*b^11*x^(8/3)+
455/3*a^3*b^12*x^3+63/2*a^2*b^13*x^(10/3)+45/11*a*b^14*x^(11/3)+1/4*b^15*x^4+455*a^12*b^3*ln(x)

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Rubi [A]  time = 0.12, antiderivative size = 202, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {266, 43} \[ \frac {9009}{2} a^{10} b^5 x^{2/3}+\frac {19305}{4} a^8 b^7 x^{4/3}+3861 a^7 b^8 x^{5/3}+\frac {5005}{2} a^6 b^9 x^2+1287 a^5 b^{10} x^{7/3}+\frac {4095}{8} a^4 b^{11} x^{8/3}+\frac {455}{3} a^3 b^{12} x^3+\frac {63}{2} a^2 b^{13} x^{10/3}-\frac {315 a^{13} b^2}{\sqrt [3]{x}}+4095 a^{11} b^4 \sqrt [3]{x}+5005 a^9 b^6 x+455 a^{12} b^3 \log (x)-\frac {45 a^{14} b}{2 x^{2/3}}-\frac {a^{15}}{x}+\frac {45}{11} a b^{14} x^{11/3}+\frac {b^{15} x^4}{4} \]

Antiderivative was successfully verified.

[In]

Int[(a + b*x^(1/3))^15/x^2,x]

[Out]

-(a^15/x) - (45*a^14*b)/(2*x^(2/3)) - (315*a^13*b^2)/x^(1/3) + 4095*a^11*b^4*x^(1/3) + (9009*a^10*b^5*x^(2/3))
/2 + 5005*a^9*b^6*x + (19305*a^8*b^7*x^(4/3))/4 + 3861*a^7*b^8*x^(5/3) + (5005*a^6*b^9*x^2)/2 + 1287*a^5*b^10*
x^(7/3) + (4095*a^4*b^11*x^(8/3))/8 + (455*a^3*b^12*x^3)/3 + (63*a^2*b^13*x^(10/3))/2 + (45*a*b^14*x^(11/3))/1
1 + (b^15*x^4)/4 + 455*a^12*b^3*Log[x]

Rule 43

Int[((a_.) + (b_.)*(x_))^(m_.)*((c_.) + (d_.)*(x_))^(n_.), x_Symbol] :> Int[ExpandIntegrand[(a + b*x)^m*(c + d
*x)^n, x], x] /; FreeQ[{a, b, c, d, n}, x] && NeQ[b*c - a*d, 0] && IGtQ[m, 0] && ( !IntegerQ[n] || (EqQ[c, 0]
&& LeQ[7*m + 4*n + 4, 0]) || LtQ[9*m + 5*(n + 1), 0] || GtQ[m + n + 2, 0])

Rule 266

Int[(x_)^(m_.)*((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> Dist[1/n, Subst[Int[x^(Simplify[(m + 1)/n] - 1)*(a
+ b*x)^p, x], x, x^n], x] /; FreeQ[{a, b, m, n, p}, x] && IntegerQ[Simplify[(m + 1)/n]]

Rubi steps

\begin {align*} \int \frac {\left (a+b \sqrt [3]{x}\right )^{15}}{x^2} \, dx &=3 \operatorname {Subst}\left (\int \frac {(a+b x)^{15}}{x^4} \, dx,x,\sqrt [3]{x}\right )\\ &=3 \operatorname {Subst}\left (\int \left (1365 a^{11} b^4+\frac {a^{15}}{x^4}+\frac {15 a^{14} b}{x^3}+\frac {105 a^{13} b^2}{x^2}+\frac {455 a^{12} b^3}{x}+3003 a^{10} b^5 x+5005 a^9 b^6 x^2+6435 a^8 b^7 x^3+6435 a^7 b^8 x^4+5005 a^6 b^9 x^5+3003 a^5 b^{10} x^6+1365 a^4 b^{11} x^7+455 a^3 b^{12} x^8+105 a^2 b^{13} x^9+15 a b^{14} x^{10}+b^{15} x^{11}\right ) \, dx,x,\sqrt [3]{x}\right )\\ &=-\frac {a^{15}}{x}-\frac {45 a^{14} b}{2 x^{2/3}}-\frac {315 a^{13} b^2}{\sqrt [3]{x}}+4095 a^{11} b^4 \sqrt [3]{x}+\frac {9009}{2} a^{10} b^5 x^{2/3}+5005 a^9 b^6 x+\frac {19305}{4} a^8 b^7 x^{4/3}+3861 a^7 b^8 x^{5/3}+\frac {5005}{2} a^6 b^9 x^2+1287 a^5 b^{10} x^{7/3}+\frac {4095}{8} a^4 b^{11} x^{8/3}+\frac {455}{3} a^3 b^{12} x^3+\frac {63}{2} a^2 b^{13} x^{10/3}+\frac {45}{11} a b^{14} x^{11/3}+\frac {b^{15} x^4}{4}+455 a^{12} b^3 \log (x)\\ \end {align*}

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Mathematica [A]  time = 0.10, size = 202, normalized size = 1.00 \[ -\frac {a^{15}}{x}-\frac {45 a^{14} b}{2 x^{2/3}}-\frac {315 a^{13} b^2}{\sqrt [3]{x}}+455 a^{12} b^3 \log (x)+4095 a^{11} b^4 \sqrt [3]{x}+\frac {9009}{2} a^{10} b^5 x^{2/3}+5005 a^9 b^6 x+\frac {19305}{4} a^8 b^7 x^{4/3}+3861 a^7 b^8 x^{5/3}+\frac {5005}{2} a^6 b^9 x^2+1287 a^5 b^{10} x^{7/3}+\frac {4095}{8} a^4 b^{11} x^{8/3}+\frac {455}{3} a^3 b^{12} x^3+\frac {63}{2} a^2 b^{13} x^{10/3}+\frac {45}{11} a b^{14} x^{11/3}+\frac {b^{15} x^4}{4} \]

Antiderivative was successfully verified.

[In]

Integrate[(a + b*x^(1/3))^15/x^2,x]

[Out]

-(a^15/x) - (45*a^14*b)/(2*x^(2/3)) - (315*a^13*b^2)/x^(1/3) + 4095*a^11*b^4*x^(1/3) + (9009*a^10*b^5*x^(2/3))
/2 + 5005*a^9*b^6*x + (19305*a^8*b^7*x^(4/3))/4 + 3861*a^7*b^8*x^(5/3) + (5005*a^6*b^9*x^2)/2 + 1287*a^5*b^10*
x^(7/3) + (4095*a^4*b^11*x^(8/3))/8 + (455*a^3*b^12*x^3)/3 + (63*a^2*b^13*x^(10/3))/2 + (45*a*b^14*x^(11/3))/1
1 + (b^15*x^4)/4 + 455*a^12*b^3*Log[x]

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fricas [A]  time = 0.84, size = 173, normalized size = 0.86 \[ \frac {66 \, b^{15} x^{5} + 40040 \, a^{3} b^{12} x^{4} + 660660 \, a^{6} b^{9} x^{3} + 1321320 \, a^{9} b^{6} x^{2} + 360360 \, a^{12} b^{3} x \log \left (x^{\frac {1}{3}}\right ) - 264 \, a^{15} + 27 \, {\left (40 \, a b^{14} x^{4} + 5005 \, a^{4} b^{11} x^{3} + 37752 \, a^{7} b^{8} x^{2} + 44044 \, a^{10} b^{5} x - 3080 \, a^{13} b^{2}\right )} x^{\frac {2}{3}} + 594 \, {\left (14 \, a^{2} b^{13} x^{4} + 572 \, a^{5} b^{10} x^{3} + 2145 \, a^{8} b^{7} x^{2} + 1820 \, a^{11} b^{4} x - 10 \, a^{14} b\right )} x^{\frac {1}{3}}}{264 \, x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*x^(1/3))^15/x^2,x, algorithm="fricas")

[Out]

1/264*(66*b^15*x^5 + 40040*a^3*b^12*x^4 + 660660*a^6*b^9*x^3 + 1321320*a^9*b^6*x^2 + 360360*a^12*b^3*x*log(x^(
1/3)) - 264*a^15 + 27*(40*a*b^14*x^4 + 5005*a^4*b^11*x^3 + 37752*a^7*b^8*x^2 + 44044*a^10*b^5*x - 3080*a^13*b^
2)*x^(2/3) + 594*(14*a^2*b^13*x^4 + 572*a^5*b^10*x^3 + 2145*a^8*b^7*x^2 + 1820*a^11*b^4*x - 10*a^14*b)*x^(1/3)
)/x

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giac [A]  time = 0.18, size = 168, normalized size = 0.83 \[ \frac {1}{4} \, b^{15} x^{4} + \frac {45}{11} \, a b^{14} x^{\frac {11}{3}} + \frac {63}{2} \, a^{2} b^{13} x^{\frac {10}{3}} + \frac {455}{3} \, a^{3} b^{12} x^{3} + \frac {4095}{8} \, a^{4} b^{11} x^{\frac {8}{3}} + 1287 \, a^{5} b^{10} x^{\frac {7}{3}} + \frac {5005}{2} \, a^{6} b^{9} x^{2} + 3861 \, a^{7} b^{8} x^{\frac {5}{3}} + \frac {19305}{4} \, a^{8} b^{7} x^{\frac {4}{3}} + 5005 \, a^{9} b^{6} x + 455 \, a^{12} b^{3} \log \left ({\left | x \right |}\right ) + \frac {9009}{2} \, a^{10} b^{5} x^{\frac {2}{3}} + 4095 \, a^{11} b^{4} x^{\frac {1}{3}} - \frac {630 \, a^{13} b^{2} x^{\frac {2}{3}} + 45 \, a^{14} b x^{\frac {1}{3}} + 2 \, a^{15}}{2 \, x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*x^(1/3))^15/x^2,x, algorithm="giac")

[Out]

1/4*b^15*x^4 + 45/11*a*b^14*x^(11/3) + 63/2*a^2*b^13*x^(10/3) + 455/3*a^3*b^12*x^3 + 4095/8*a^4*b^11*x^(8/3) +
1287*a^5*b^10*x^(7/3) + 5005/2*a^6*b^9*x^2 + 3861*a^7*b^8*x^(5/3) + 19305/4*a^8*b^7*x^(4/3) + 5005*a^9*b^6*x
+ 455*a^12*b^3*log(abs(x)) + 9009/2*a^10*b^5*x^(2/3) + 4095*a^11*b^4*x^(1/3) - 1/2*(630*a^13*b^2*x^(2/3) + 45*
a^14*b*x^(1/3) + 2*a^15)/x

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maple [A]  time = 0.01, size = 165, normalized size = 0.82 \[ \frac {b^{15} x^{4}}{4}+\frac {45 a \,b^{14} x^{\frac {11}{3}}}{11}+\frac {63 a^{2} b^{13} x^{\frac {10}{3}}}{2}+\frac {455 a^{3} b^{12} x^{3}}{3}+\frac {4095 a^{4} b^{11} x^{\frac {8}{3}}}{8}+1287 a^{5} b^{10} x^{\frac {7}{3}}+\frac {5005 a^{6} b^{9} x^{2}}{2}+3861 a^{7} b^{8} x^{\frac {5}{3}}+\frac {19305 a^{8} b^{7} x^{\frac {4}{3}}}{4}+455 a^{12} b^{3} \ln \relax (x )+5005 a^{9} b^{6} x +\frac {9009 a^{10} b^{5} x^{\frac {2}{3}}}{2}+4095 a^{11} b^{4} x^{\frac {1}{3}}-\frac {315 a^{13} b^{2}}{x^{\frac {1}{3}}}-\frac {45 a^{14} b}{2 x^{\frac {2}{3}}}-\frac {a^{15}}{x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a+b*x^(1/3))^15/x^2,x)

[Out]

-a^15/x-45/2*a^14*b/x^(2/3)-315*a^13*b^2/x^(1/3)+4095*a^11*b^4*x^(1/3)+9009/2*a^10*b^5*x^(2/3)+5005*a^9*b^6*x+
19305/4*a^8*b^7*x^(4/3)+3861*a^7*b^8*x^(5/3)+5005/2*a^6*b^9*x^2+1287*a^5*b^10*x^(7/3)+4095/8*a^4*b^11*x^(8/3)+
455/3*a^3*b^12*x^3+63/2*a^2*b^13*x^(10/3)+45/11*a*b^14*x^(11/3)+1/4*b^15*x^4+455*a^12*b^3*ln(x)

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maxima [A]  time = 0.91, size = 167, normalized size = 0.83 \[ \frac {1}{4} \, b^{15} x^{4} + \frac {45}{11} \, a b^{14} x^{\frac {11}{3}} + \frac {63}{2} \, a^{2} b^{13} x^{\frac {10}{3}} + \frac {455}{3} \, a^{3} b^{12} x^{3} + \frac {4095}{8} \, a^{4} b^{11} x^{\frac {8}{3}} + 1287 \, a^{5} b^{10} x^{\frac {7}{3}} + \frac {5005}{2} \, a^{6} b^{9} x^{2} + 3861 \, a^{7} b^{8} x^{\frac {5}{3}} + \frac {19305}{4} \, a^{8} b^{7} x^{\frac {4}{3}} + 5005 \, a^{9} b^{6} x + 455 \, a^{12} b^{3} \log \relax (x) + \frac {9009}{2} \, a^{10} b^{5} x^{\frac {2}{3}} + 4095 \, a^{11} b^{4} x^{\frac {1}{3}} - \frac {630 \, a^{13} b^{2} x^{\frac {2}{3}} + 45 \, a^{14} b x^{\frac {1}{3}} + 2 \, a^{15}}{2 \, x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*x^(1/3))^15/x^2,x, algorithm="maxima")

[Out]

1/4*b^15*x^4 + 45/11*a*b^14*x^(11/3) + 63/2*a^2*b^13*x^(10/3) + 455/3*a^3*b^12*x^3 + 4095/8*a^4*b^11*x^(8/3) +
1287*a^5*b^10*x^(7/3) + 5005/2*a^6*b^9*x^2 + 3861*a^7*b^8*x^(5/3) + 19305/4*a^8*b^7*x^(4/3) + 5005*a^9*b^6*x
+ 455*a^12*b^3*log(x) + 9009/2*a^10*b^5*x^(2/3) + 4095*a^11*b^4*x^(1/3) - 1/2*(630*a^13*b^2*x^(2/3) + 45*a^14*
b*x^(1/3) + 2*a^15)/x

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mupad [B]  time = 1.19, size = 167, normalized size = 0.83 \[ \frac {b^{15}\,x^4}{4}-\frac {a^{15}+\frac {45\,a^{14}\,b\,x^{1/3}}{2}+315\,a^{13}\,b^2\,x^{2/3}}{x}+1365\,a^{12}\,b^3\,\ln \left (x^{1/3}\right )+5005\,a^9\,b^6\,x+\frac {45\,a\,b^{14}\,x^{11/3}}{11}+\frac {5005\,a^6\,b^9\,x^2}{2}+\frac {455\,a^3\,b^{12}\,x^3}{3}+4095\,a^{11}\,b^4\,x^{1/3}+\frac {9009\,a^{10}\,b^5\,x^{2/3}}{2}+\frac {19305\,a^8\,b^7\,x^{4/3}}{4}+3861\,a^7\,b^8\,x^{5/3}+1287\,a^5\,b^{10}\,x^{7/3}+\frac {4095\,a^4\,b^{11}\,x^{8/3}}{8}+\frac {63\,a^2\,b^{13}\,x^{10/3}}{2} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a + b*x^(1/3))^15/x^2,x)

[Out]

(b^15*x^4)/4 - (a^15 + (45*a^14*b*x^(1/3))/2 + 315*a^13*b^2*x^(2/3))/x + 1365*a^12*b^3*log(x^(1/3)) + 5005*a^9
*b^6*x + (45*a*b^14*x^(11/3))/11 + (5005*a^6*b^9*x^2)/2 + (455*a^3*b^12*x^3)/3 + 4095*a^11*b^4*x^(1/3) + (9009
*a^10*b^5*x^(2/3))/2 + (19305*a^8*b^7*x^(4/3))/4 + 3861*a^7*b^8*x^(5/3) + 1287*a^5*b^10*x^(7/3) + (4095*a^4*b^
11*x^(8/3))/8 + (63*a^2*b^13*x^(10/3))/2

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sympy [A]  time = 4.85, size = 204, normalized size = 1.01 \[ - \frac {a^{15}}{x} - \frac {45 a^{14} b}{2 x^{\frac {2}{3}}} - \frac {315 a^{13} b^{2}}{\sqrt [3]{x}} + 455 a^{12} b^{3} \log {\relax (x )} + 4095 a^{11} b^{4} \sqrt [3]{x} + \frac {9009 a^{10} b^{5} x^{\frac {2}{3}}}{2} + 5005 a^{9} b^{6} x + \frac {19305 a^{8} b^{7} x^{\frac {4}{3}}}{4} + 3861 a^{7} b^{8} x^{\frac {5}{3}} + \frac {5005 a^{6} b^{9} x^{2}}{2} + 1287 a^{5} b^{10} x^{\frac {7}{3}} + \frac {4095 a^{4} b^{11} x^{\frac {8}{3}}}{8} + \frac {455 a^{3} b^{12} x^{3}}{3} + \frac {63 a^{2} b^{13} x^{\frac {10}{3}}}{2} + \frac {45 a b^{14} x^{\frac {11}{3}}}{11} + \frac {b^{15} x^{4}}{4} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*x**(1/3))**15/x**2,x)

[Out]

-a**15/x - 45*a**14*b/(2*x**(2/3)) - 315*a**13*b**2/x**(1/3) + 455*a**12*b**3*log(x) + 4095*a**11*b**4*x**(1/3
) + 9009*a**10*b**5*x**(2/3)/2 + 5005*a**9*b**6*x + 19305*a**8*b**7*x**(4/3)/4 + 3861*a**7*b**8*x**(5/3) + 500
5*a**6*b**9*x**2/2 + 1287*a**5*b**10*x**(7/3) + 4095*a**4*b**11*x**(8/3)/8 + 455*a**3*b**12*x**3/3 + 63*a**2*b
**13*x**(10/3)/2 + 45*a*b**14*x**(11/3)/11 + b**15*x**4/4

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