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यदि मानों 1,(1)/(2),(1)/(3),(1)/(4),(1)/...

यदि मानों `1,(1)/(2),(1)/(3),(1)/(4),(1)/(5),......,(1)/(n)` की बारम्बारता 1, 2, 3, 4, ……,n हो, तब इनका समान्तर माध्य है

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