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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Chuppana tanuja
(z6 ,+)is not a sub group of (z12,+) because z6 is not a group with respect to +.closure law failed for z6
how 🤤 z6 is not group ??
closure law failed .suppose if we take 4, 5 then 4+5=9.and 9 is not there in z6