OCR Further Additional Pure AS 2018 June — Question 3

Exam BoardOCR
ModuleFurther Additional Pure AS (Further Additional Pure AS)
Year2018
SessionJune
TopicNumber Theory
3 Given that \(n\) is a positive integer, show that the numbers ( \(4 n + 1\) ) and ( \(6 n + 1\) ) are co-prime.
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