If r1 = (aa + bb) and r2 = (a + b) then the language (aa + bb)(a + b) – McqOptions

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1.	If r1 = (aa + bb) and r2 = (a + b) then the language (aa + bb)(a + b) will be generated by Select correct option:
A.	(r1)(r2)
B.	(r1 + r2)
C.	(r2)(r1)
D.	(r1)
Answer» B. (r1 + r2)

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