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Q20: Answers – Paper 2 – June 2019
Q20: Answers – Paper 2 – June 2019
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Expressions for consecutive triangular numbers are
Expressions for consecutive triangular numbers are
Prove that the sum of two consecutive triangular numbers is always a square number.
Question
20) Expressions for consecutive triangular numbers are
Prove that the sum of two consecutive triangular numbers is always a square number.
[4 marks]