Let D be the region in [R2 for which the boundary:r curve C = (if) is given by the parametrization 1: x I = ( ) 1 + :3 rift) = , 5 .I: a: no. 1r2 I = yl: ) 1 + :3 Check that the curve C is a closed and find the area of D. Tip. Find a vector field F{x, y) = F1 (x, y)i + Fx, j such that ng dFl _ 1 ch: 33,; ' and apply.r Green's theorem. mam) = E