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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Deepak singh 1 Best Answer
Refer attached option a is correct
sir why don't I get the same answer using the ratio test?
series is alternating . So we can't use ratio test .
then what about the alternating series test or some other series test?
for alternating , we can use leibnitz test , absolute convergence test .