Consider the set B* of all strings over the alphabet set B = {0, 1} w – McqOptions

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1.	Consider the set B* of all strings over the alphabet set B = {0, 1} with the concatenation operator for strings
A.	does not form a group
B.	does not have the right identity element
C.	forms a non-commutative group
D.	forms a group if the empty string is removed from
Answer» B. does not have the right identity element

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