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NEST2019MathematicsSequences and Series

A positive integer k is perfect if the sum of its positive divisors equals 2 k . If n is a perfect number, then the sum of the reciprocal of its positive divisors

Options

  1. Avaries with n
  2. Bis 2
  3. Cis 1
  4. Dis greater than n / 2

Correct answer

B. is 2

Step-by-step solution

No solution available.

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