

MCQOPTIONS
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1. |
If A and B are regular languages, !(A‚Äö√Ñ√∂‚à ö√ë‚à ö¬• U B‚Äö√Ñ√∂‚à ö√ë‚à ö¬•) is:$ |
A. | regular |
B. | non regular |
C. | may be regular |
D. | none of the mentioned |
Answer» B. non regular | |