2 votes 2 votes Complement of $\left (a+b \right)^{*}$ will be : $Phi\left ( \Phi \right )$ Null $a$ $b$ Theory of Computation nielit2017dec-assistanta theory-of-computation regular-expression + – admin asked Mar 31, 2020 • recategorized Aug 24, 2020 by Lakshman Bhaiya admin 849 views answer comment Share Follow See 1 comment See all 1 1 comment reply Sanandan commented Sep 1, 2020 reply Follow Share option A because null is included in (a+b)* 0 votes 0 votes Please log in or register to add a comment.
1 votes 1 votes Option A is correct as (a+b)* includes all strings involvinga, b. Hence Phi is the complement. DIBAKAR MAJEE answered Apr 17, 2020 DIBAKAR MAJEE comment Share Follow See all 0 reply Please log in or register to add a comment.