Mathematics · Infinite Series
For x > 0, the infinite series ∑ n 2 - 1 n 2 + 1 x 2 is:
- 1divergent for x < 1
- 2divergent for x ≥ 1✓
- 3convergent for x > 1
- 4convergent for x ≥ 1
Correct answer
divergent for x ≥ 1
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