QUESTION 3 (a) Use Green's Theorem to evaluate: (i) fxy dx+x²y³dy where C is the triangle with vertices (0,0), (1,0) and (1,2) с with positive orientation. (10 marks) fy'dx-x'dy where C is the positively oriented circle of radius 2 centered at (ii) the origin. (7 marks) (b) Given vector field, F(x, y, z) = x²y i + xyz j − x²y² k. Determine (i) Divergence at point (2,0,3) (4 marks) (ii) Curl (4 marks)