Use green's theorem to evaluate the following line integral. assume the curve is oriented counterclockwise. a sketch is . modifyingbelow contour integral with upper c left angle 7 y minus 9 comma 3 x squared minus 6 right angle times d bold r∮c7y−9,3x2−6•dr, where c is the boundary of the rectangle with vertices (0,0), (44,0), (44,66), and (0,66)