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LFM Pure
Proof by induction
Q2
SPS SPS FM Pure 2025 September — Question 2
Exam Board
SPS
Module
SPS FM Pure (SPS FM Pure)
Year
2025
Session
September
Topic
Proof by induction
2. Prove by induction that \(11 \times 7 ^ { n } - 13 ^ { n } - 1\) is divisible by 3 , for all integers \(n \geq 0\).
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