Que () =) det f, a, m bee im exercise 3. Show : (a). and m = 0; iff z = a fla) 0. is a removable ringularity (b). : iff 2=0 is removable singularity of f and f har 2920 at 2=0 of order (c). m>0; iff z = a is 9 fole of + of order, m.