1.3 - 2014 Q9
9) You are given that n, n + 1 and n + 2 are three consecutive integers.
i) Expand and simplify n2 + (n+1)2 + (n+2)2.
ii) For what values of n will the sum of the squares of these three consecutive integers be an even number? Give a reason for your answer. (2)
i) Expand and simplify n2 + (n+1)2 + (n+2)2.
ii) For what values of n will the sum of the squares of these three consecutive integers be an even number? Give a reason for your answer. (2)