Integral de (x*(3*x^2-1)^2)^(1/3) dx
Solución
1
/
|
| / 2*pi*I 2*pi*I
| | ------ _ ------ _
| | 7/3 3 |_ /1/3, 5/3 | 2\ 3 ___ 3 |_ /-2/3, 2/3 | 2\
| | 4*x *e *Gamma(2/3)* | | | 3*x | 2*\/ x *e *Gamma(2/3)* | | | 3*x |
| | 2 1 \ 8/3 | / 2 1 \ 5/3 | / 2
| | - ------------------------------------------------ + -------------------------------------------------- for -1 + 3*x >= 0
| | 5*Gamma(5/3) 3*Gamma(5/3)
| < dx
| | _ _
| | 3 ___ |_ /-2/3, 2/3 | 2 2*pi*I\ 7/3 2*pi*I |_ /1/3, 5/3 | 2 2*pi*I\
| |2*\/ x *Gamma(2/3)* | | | 3*x *e | 4*x *e *Gamma(2/3)* | | | 3*x *e |
| | 2 1 \ 5/3 | / 2 1 \ 8/3 | /
| |-------------------------------------------------- - -------------------------------------------------------- otherwise
| | 3*Gamma(5/3) 5*Gamma(5/3)
| \
|
/
0
0∫1⎩⎨⎧−5Γ(35)4x37e32iπΓ(32)2F1(31,35383x2)+3Γ(35)23xe32iπΓ(32)2F1(−32,32353x2)−5Γ(35)4x37e2iπΓ(32)2F1(31,35383x2e2iπ)+3Γ(35)23xΓ(32)2F1(−32,32353x2e2iπ)for3x2−1≥0otherwisedx
=
1
/
|
| / 2*pi*I 2*pi*I
| | ------ _ ------ _
| | 7/3 3 |_ /1/3, 5/3 | 2\ 3 ___ 3 |_ /-2/3, 2/3 | 2\
| | 4*x *e *Gamma(2/3)* | | | 3*x | 2*\/ x *e *Gamma(2/3)* | | | 3*x |
| | 2 1 \ 8/3 | / 2 1 \ 5/3 | / 2
| | - ------------------------------------------------ + -------------------------------------------------- for -1 + 3*x >= 0
| | 5*Gamma(5/3) 3*Gamma(5/3)
| < dx
| | _ _
| | 3 ___ |_ /-2/3, 2/3 | 2 2*pi*I\ 7/3 2*pi*I |_ /1/3, 5/3 | 2 2*pi*I\
| |2*\/ x *Gamma(2/3)* | | | 3*x *e | 4*x *e *Gamma(2/3)* | | | 3*x *e |
| | 2 1 \ 5/3 | / 2 1 \ 8/3 | /
| |-------------------------------------------------- - -------------------------------------------------------- otherwise
| | 3*Gamma(5/3) 5*Gamma(5/3)
| \
|
/
0
0∫1⎩⎨⎧−5Γ(35)4x37e32iπΓ(32)2F1(31,35383x2)+3Γ(35)23xe32iπΓ(32)2F1(−32,32353x2)−5Γ(35)4x37e2iπΓ(32)2F1(31,35383x2e2iπ)+3Γ(35)23xΓ(32)2F1(−32,32353x2e2iπ)for3x2−1≥0otherwisedx
Integral(Piecewise((-4*x^(7/3)*exp(2*pi*i/3)*gamma(2/3)*hyper((1/3, 5/3), (8/3,), 3*x^2)/(5*gamma(5/3)) + 2*x^(1/3)*exp(2*pi*i/3)*gamma(2/3)*hyper((-2/3, 2/3), (5/3,), 3*x^2)/(3*gamma(5/3)), -1 + 3*x^2 >= 0), (2*x^(1/3)*gamma(2/3)*hyper((-2/3, 2/3), (5/3,), 3*x^2*exp_polar(2*pi*i))/(3*gamma(5/3)) - 4*x^(7/3)*exp_polar(2*pi*i)*gamma(2/3)*hyper((1/3, 5/3), (8/3,), 3*x^2*exp_polar(2*pi*i))/(5*gamma(5/3)), True)), (x, 0, 1))
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.