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WAEC Further Mathematics 2016 Question 10

Question 10

Polynomials

If (2t + 3s)(t − s) = 0, find t/s

  1. A.3/2 or 1
  2. B.3/2 or −1
  3. C.−3/2 or −1
  4. D.−3/2 or 1
Show the answer and explanation

Answer: D (−3/2 or 1)

Explanation

2t = −3s gives t/s = −3/2; t = s gives t/s = 1.