Edexcel FP2 2022 June — Question 6

Exam BoardEdexcel
ModuleFP2 (Further Pure Mathematics 2)
Year2022
SessionJune
TopicSequences and series, recurrence and convergence

6. (a) Determine the general solution of the recurrence relation $$u _ { n } = 2 u _ { n - 1 } - u _ { n - 2 } + 2 ^ { n } \quad n \geqslant 2$$ (b) Hence solve this recurrence relation given that \(u _ { 0 } = 2 u _ { 1 }\) and \(u _ { 4 } = 3 u _ { 2 }\)