Ducksseahawks9507 Ducksseahawks9507 23-05-2023 Mathematics contestada 3. (20%) Determine whether the limit exists and discuss the continuity of the function. ху (a) lim (b) lim x-y-1 (x,y) *(0,0) x2+y2 (xy) - (2,1) Vx-y-1 -