Which of the following series is convergent?

PYQ UPPSC LT Grade (Assistant Teacher) 2025

1. A.

   ∑ₙ₌₁∞ (3/2 − 1/n)ⁿ

2. B.

   ∑ₙ₌₁∞ (5/2 − 1/n)ⁿ

3. C.

   ∑ₙ₌₁∞ (1/2 − 1/n)ⁿ

4. D.

   None of the above

Attempted by 7 students.