https://ibb.co/PNCz3wG

The question picture is on this link. In case you cant see the picture i uploaded. It is from Complex Variable and Transforms course.

Q- 3 Let c be a positively oriented ellipse 4 x2 +42 = 16, use Residue theorem to evaluate the contour integral: I - 2 ( 1 / 12 ) + e C ( 2 2 + 712 ) dz . clearly indicate all singularities of the integrand that are interior and exterior to the contour c