Let L = {0n1n | n≥0} be a context free language.
Which of the following is correct?
(A) L’ is context free and Lk is not context free for any k≥1
(B) L’ is not context free and Lk is context free for any k≥1
(C) Both L’ and Lk is for any k≥1 are context free.
(D) Both L’ and Lk is for any k≥1 are not context free.
Official answer given by UGC is C . according to me answer is B