Let +2y; (x, y) * (1 2) 0x, y) = (1, 2) fx, y)= then, (a) fx, y) is continuous at (1, 2) (b) f(x, y) is discontinuous at (1, 2) (c) fx, y) has removable discont

Let +2y; (x, y) * (1 2) 0x, y) = (1, 2) fx, y)= Then, (a) fx, y) is continuous at (1, 2) (b) f(x, y) is discontinuous at (1, 2) (c) fx, y) has removable discontinuity at (1, 2) (d) lim fx, y) does not exists (X,y)>(1,2)