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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Anuj s.
plz check, if ans not , plz share , we will discuss there are many methods for solving and it is also possible that i m wrong
in question 15) ans is 0 ..if we take tan2π/2 then limit is 0 and by Cauchy theorem, limit of question is 0