- #1
joris_pixie
- 25
- 0
Im trying to solve:
But i always come out:
[tex]\int^{2PI}_{0}[/tex] (sin²(x) / (5 - 4cos(x))dx
==> (i/4)[tex]\oint(z^2-1)^2 / (z^2(z-2)(z-1/2)) dz[/tex]= 2pi i (i/4) (RES (z=0) + RES (z = 1/2)) = (-pi/2) (5/2 - 3/2) = -pi/2
instead of pi/4 please help
But i always come out:
[tex]\int^{2PI}_{0}[/tex] (sin²(x) / (5 - 4cos(x))dx
==> (i/4)[tex]\oint(z^2-1)^2 / (z^2(z-2)(z-1/2)) dz[/tex]= 2pi i (i/4) (RES (z=0) + RES (z = 1/2)) = (-pi/2) (5/2 - 3/2) = -pi/2
instead of pi/4 please help