2025 JVSS PRELIMS P2 Q7

2025 JVSS PRELIMS P2 Q7

Secondary 4
7 marks
2025 Jurongville Secondary School Prelims A Math Paper 2
  1. Given that \(\log_7 x = m\) and \(\log_7 y = 2n\), express \(xy\) in terms of \(m\) and \(n\).[2]
  2. Solve the equation \(\log_3 3x^2 + 4 = \log_x 27\).[5]

Solution:

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Answer:(a) \(xy=7^{m+2n}\) (b) \(x=\sqrt3\) or \(x=\dfrac1{27}\)

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