Post-UTME Mathematics 2016 Objective — Question 22
Question 22 of 60 from the Post-UTME Screening (Post-UTME) Mathematics 2016 Objective paper, with the correct answer and a full explanation.
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Sequence & Series 2. If aₙ = (-1)ⁿ/(2n-1), then a₄ = ?
- A. 1/3
- B. 1/5
- C. 1/7Correct
- D. 1/9
Explanation
a₄ = (-1)⁴/(2x4-1) = 1/7.
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