CAIE Further Paper 1 2020 November — Question 2

Exam BoardCAIE
ModuleFurther Paper 1 (Further Paper 1)
Year2020
SessionNovember
TopicProof by induction
2 Prove by mathematical induction that \(7 ^ { 2 n } - 1\) is divisible by 12 for every positive integer \(n\).
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Q1 Q2 Q3 1 Q4 Q5 Q6 Q7