MCQ
For a positive integer $n,$ let $\text{a(n)} =1+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+…+\frac{1}{\text{n.}} $ Then,
  • $a(100) ≤ 100$
  • B
    $a(100) >100$
  • C
    $a(200) ≤ 100$
  • D
    None of these

Answer

Correct option: A.
$a(100) ≤ 100$

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