WJEC Further Unit 1 2022 June — Question 4

Exam BoardWJEC
ModuleFurther Unit 1 (Further Unit 1)
Year2022
SessionJune
TopicSequences and series, recurrence and convergence

4. The positive integer \(N\) is such that \(1 ^ { 2 } + 2 ^ { 2 } + 3 ^ { 2 } + \ldots + N ^ { 2 } = ( 3 N - 2 ) ^ { 2 }\). Write down and simplify an equation satisfied by \(N\). Hence find the possible values of \(N\).