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IKMC 2005 - Grades 11-12 - Self-study Question 25

IKMC · IKMC 2005 - Grades 11-12 - Self-study

Question 25

If $\log_{10}(\sqrt{2005}+\sqrt{1995})=n$, find $\log_{10}(\sqrt{2005}-\sqrt{1995})$.
  1. $n-1$
  2. $1-n$
  3. $1/n$
  4. $n+1$
  5. Impossible to determine