a) R = QP*
b) R = P*Q
c) R = RP
d) None of the mentioned
If P, Q, R are three regular expressions and if P does not contain a then the equation R = R + RP has a unique solution
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answerhappygod
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If P, Q, R are three regular expressions and if P does not contain a then the equation R = R + RP has a unique solution
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