Let R1 and R2 be regular sets defined over alphabet ‚Äö√Ñ√∂‚àö‚Ä†‚àö¬¥ then$

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R1 INTERSECTION R2 is regular

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R1 UNION R2 is regular

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‚Äö√Ñ√∂‚àö‚Ä†‚àö¬¥ INTERSECTION R2 IS NOT REGULAR

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R2* IS NOT REGULAR

1.	Let R1 and R2 be regular sets defined over alphabet ‚Äö√Ñ√∂‚àö‚Ä†‚àö¬¥ then$
A.	R1 UNION R2 is regular
B.	R1 INTERSECTION R2 is regular
C.	‚Äö√Ñ√∂‚àö‚Ä†‚àö¬¥ INTERSECTION R2 IS NOT REGULAR
D.	R2* IS NOT REGULAR
Answer» B. R1 INTERSECTION R2 is regular

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