h Find the linearization L(x,y) of the function f(x,y) = e cos (5y) at the points (0,0) and .| 0, .... The linearization at (0,0) is L(x,y) = (Type an exact answer, using it as needed.) The linearization at 10 , 5 is L(X,y) = (Type an exact answer, using it as needed.)