OCR Further Additional Pure AS 2017 December — Question 5

Exam BoardOCR
ModuleFurther Additional Pure AS (Further Additional Pure AS)
Year2017
SessionDecember
TopicNumber Theory
5 Given that \(n\) is a positive integer greater than 2 , prove that
  1. \(\quad 10201 _ { n }\) is a square number.
  2. \(\quad 1221 _ { n }\) is a composite number.
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