Problem 50 . Let amp; be the annulus Vac 2 + 4 2 lt; 2 . Let an denote the boundary of the annulus ( two concentric circles ) , and n be the normal...

Let Ω be the annulus 1 ≤

Problem 50 . Let & be the annulusVac 2 + 4 2 < 2 . Let an denote the boundary of the annulus ( twoconcentric circles ) , and n be the normal vector field along 29 pointing outside . Let I be the gradient vectorient vectfield of the function f ( 20 , y ) = In ( 204 2 ) . Compute the integralEndAan