NIELIT 2017 DEC Scientific Assistant A - Section B: 54

Question

Complement of $\left (a+b \right)^{*}$ will be : 

• A. $Phi\left ( \Phi  \right )$
• B. Null
• C. $a$
• D. $b$

Comments

option A because null is included in (a+b)*

Answer 1

Option A is correct as (a+b)* includes all strings involvinga, b. Hence Phi is the complement.