2012 CJC H1 Promo Q3

2012 CJC H1 Promo Q3

6 marks
  1. Find the exact value(s) of the equation \(2\mathrm{e}^{3x} - 5\mathrm{e}^x = 3\mathrm{e}^{-x}\).[4]
  2. Given that \(\log_a \sqrt{x} = 3\), find \(\log_a (ax^2)\).[2]

Solution:

Solution locked

680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.

Answer:(a) \( x=\frac{\ln3}{2}\) (b) \(13 \)

Need help? Join our A-Maths tuition classes.

Learn more