CAIE P2 2015 November — Question 1

Exam BoardCAIE
ModuleP2 (Pure Mathematics 2)
Year2015
SessionNovember
TopicExponential Equations & Modelling
1 Use logarithms to solve the equation $$5 ^ { x + 3 } = 7 ^ { x - 1 }$$ giving the answer correct to 3 significant figures.
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