B. For each of the following series, using no tests besides the nth Term and Comparison Tests, determine whether the series converges, diverges to ±00, or diverges, not to to. Don't try to find what the series converges to. i. Σ cos²(2n+3)/(3n²-2) ii. [1/(n-rt) iii. Σ(n-1)/(n³ + 1)

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