Which of the following is valid reverse polish expression? Q & A › Category: Data Structure › Which of the following is valid reverse polish expression? 0 Vote Up Vote Down Admin Staff asked 4 years ago Which of the following is valid reverse polish expression? a) a op b b) op a b c) a b op d) both op a b and a b op Share this:TwitterFacebookWhatsAppPinterestLike this:Like Loading... 1 Answers -1 Vote Up Vote Down Admin Staff answered 4 years ago c) a b op Share this:TwitterFacebookWhatsAppPinterestLike this:Like Loading...