WAEC Mathematics 2023 Objective — Question 47
Question 47 of 50 from the West African Examinations Council (WAEC) Mathematics 2023 Objective paper, with the correct answer and a full explanation.
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Simplify: 3√12+10√3-6/√3.
- A. 14√3Correct
- B. 18√3
- C. 10√3
- D. 14√4
Explanation
3√12=3×2√3=6√3. So 6√3+10√3-6/√3=16√3-2√3(rationalizing 6/√3=2√3)=14√3.
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