2025 IGCSE Additional Mathematics May/June 0606/23 Q13

2025 IGCSE Additional Mathematics May/June 0606/23 Q13

4 marks

Solve the equation \(64^{x+\frac13}+2^{3x}-3=0\).[4]

Solution:

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Answer:\(x=\dfrac{\ln(3/4)}{\ln8}\approx-0.138\)

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