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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Alka gupta Best Answer
here some correction in qus...see both qus and ans
ma'am, I did not understand this part, please help.
in simple language ....it means we have to find total number of elements of order 98 .... because given group is cyclic group and in cyclic group total number of elements of order d = phi d....so here we are calculating phi(98)