Stepwise
Start practisingPractise

WAEC 2024 · Paper 1 · Q4

Express in index form: log⁡ax+log⁡ay=3\log_a x + \log_a y = 3.

Worked solution (try it first)
  1. Adding logs multiplies, so the equation becomes log⁡a(xy)=3\log_a(xy) = 3.
  2. Change to index form: log⁡aN=3\log_a N = 3 means N=a3N = a^3.
  3. So xy=a3xy = a^3, option D.

Report a problem with this question