Evaluate (:5 + y)d:r: + (y 3:)dy 0 $2 + 92 ' where (a) C.iS the circle 3:2 + y2 = R2 for some R > 0, oriented counterclock- Wise; (b) C is the circle (a: 3)2 + (y 4)2 = R2 for some R > 0 with R 75 5, orient ed clockwise