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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Sonu saini Best Answer
Answer C
Ma'am jo aapne use kiya vo formula h?
ha ji
wo hi permutation commute krenge jinka decomposition sigma k jesa hoga
or phir hm no.of elements find kr lenge or Sn me order nikalne ka method yhi hota h
see
any query
Thankyou Ma'am
my pleasure