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WAEC Mathematics 2023 Question 4

Question 4

Surds

Solve: 1 + ∛(x − 3) = 4.

  1. A.6
  2. B.12
  3. C.30
  4. D.66
Show the answer and explanation

Answer: C (30)

Explanation

∛(x − 3) = 3, so x − 3 = 27 and x = 30.