2025 IGCSE Additional Mathematics October/November 0606/13 Q9

2025 IGCSE Additional Mathematics October/November 0606/13 Q9

11 marks

Solve the following equations.

  1. \(\log_5(5x-2)-\log_{25}x=\dfrac12\)[5]
  2. \(\mathrm e^{3y-7}+\dfrac4{\mathrm e^3}=\dfrac5{\mathrm e^{3y-1}}\)[6]

Solution:

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Answer:(a) \(x=\dfrac45\) (b) \(y=\dfrac43\)

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