WAEC Mathematics 2002 Question 35

Question 35

Surds

Simplify 3√12 + 10√3 − 6/√3

  1. A.7√3
  2. B.10√3
  3. C.14√3
  4. D.18√3
Show the answer and explanation

Answer: C (14√3)

Explanation

3√12 = 6√3 and 6/√3 = 2√3, so 6√3 + 10√3 − 2√3 = 14√3.