0 votes 0 votes Which of the following problem is recursive but not CSL? a> Equality of NFA b> Equality of DFA c> Emptiness of Extended Regular Expression d> None of the above Theory of Computation theory-of-computation + – sourojit asked Jan 6, 2017 • retagged Jan 6, 2017 by sourojit sourojit 254 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.