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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Abhishek tripathi 1 Best Answer
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doubt
bcz in Sn we take n cycle to operate. we can't operate n cycle to m cycle they must be same cycle.yes there is a possibility that we can say that 6 map to 6 and 7 map to 7, but we have to write full cycle of sn while operating