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Sort each series as Convergent or Divergent.

Exercise and reference answers

Left
Convergent
Items
  1. Item
    Σ 1/n²
    Answer
    Convergent
  2. Item
    Σ 1/2ⁿ
    Answer
    Convergent
  3. Item
    Σ (-1)ⁿ/n
    Answer
    Convergent
  4. Item
    Σ 1/n
    Answer
    Divergent
  5. Item
    Σ n
    Answer
    Divergent
  6. Item
    Σ 1/√n
    Answer
    Divergent
Right
Divergent
Instructions
Decide if the infinite series converges.

Explanation

_Source: syllabus Maths Part I, Ch 9 'Sequences and Series' (extension)_
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