2025 CGSS PRELIMS P2 Q2

2025 CGSS PRELIMS P2 Q2

Secondary 4

5 marks

Show that the solution of the equation \(12^{x+1}=36\times4^{x+2}\) can be expressed as \(1+\frac{\lg a}{\lg b}\), where \(a\) and \(b\) are integers.[5]

Video Solution:

Video solution locked

A free account saves your progress; this video needs a course plan.

Create free account Sign in Get the A Math course · from S$39.98/mo

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.

Create free account Sign in Get the A Math course · from S$39.98/mo A Math tuition

Create a free account to practise similar questions.

Create free account Sign in Get the A Math course · from S$39.98/mo A Math tuition

Answer:\(x=1+\dfrac{\lg16}{\lg3}\), where \(a=16\) and \(b=3\).

Need help? Join our A-Maths tuition classes.