Regular expression (x/y) (x/y) denotes the set
A) {xy,xy}
B) {xx,xy,yx,yy}
C) {x,y}
D) {x,y,xy}
Correct Answer:
Verified
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A)type-3 grammar
B)type-2
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A)Union
B)Intersection
C)Complementation
D)Concatenation
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