2. let a, - if nis odd n ,n e n 1 1 if n is even then which one of the following is true ? (a) sup fa,i n e n} = 3 and inf fa, i n e n} = 1 (b) lim inf (a,) = l

2. Let a, - if nis odd n ,n e N 1 1 if n is even Then which one of the following is TRUE ? (A) sup fa,I n e N} = 3 and inf fa, I n e N} = 1 (B) lim inf (a,) = lim sup (a,) =5 sup fa, I n e N} = 2 and inf fa, | n e N} = 1 lim inf (a)= 1 and lim sup (a) = 3 (C) (D)