Let for n e n, i, = 0, 0. k, = (n, ) and n, co). which of the following sets is non-empty ? (a) n = 1 (b) jn n = 1 (c) k,n n =1 d) l n = 1 elaborate this

Let for n e N, I, = 0, 0. K, = (n, ) and n, co). Which of the following sets is non-empty ? (A) n = 1 (B) Jn n = 1 (C) K,n n =1 D) L n = 1