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JAMB Mathematics 2004 Question 18

Question 18

Progressions

The nth terms of two sequences are Qn = 3.2n−2 and Um = 3.22m−3. Find the product of Q2 and U2.

  1. A.3
  2. B.6
  3. C.12
  4. D.18
Show the answer and explanation

Answer: D (18)

Explanation

Q2 = 3 × 20 = 3 and U2 = 3 × 21 = 6, so the product is 18.