WAEC Further Mathematics 2008 Question 1

Question 1

Surds

Simplify (√3 + √48)/√6

  1. A.3√2
  2. B.5√2
  3. C.5√2/2
  4. D.3√2/2
Show the answer and explanation

Answer: C (5√2/2)

Explanation

√48 = 4√3, so the top is 5√3. Then 5√3/√6 = 5/√2 = 5√2/2.