JAMB Mathematics 1982 Question 41

Question 41

Indices

Simplify f½ g2h⅓ ÷ f5/2g0 h7/3

  1. A.(g/fh)2
  2. B.f5g2h7
  3. C.f5/4g0h2/7
  4. D.g2/f5h7
  5. E.1/f2h2
Show the answer and explanation

Answer: A ((g/fh)2)

Explanation

Subtract the powers: f^(½ − 5/2) = f⁻², g^(2 − 0) = g², h^(⅓ − 7/3) = h⁻². So the result is g²/(f²h²) = (g/fh)².