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IKMC 2011 - Grades 11-12 - Paper 02 - Self-study Question 3

IKMC · IKMC 2011 - Grades 11-12 - Paper 02 - Self-study

Question 3

Given $2^x=15$ and $15^y=32$, find xy.
  1. $5$
  2. $\log_2 15+\log_{15}32$
  3. $\log_2 47$
  4. $7$
  5. $\sqrt{47}$