A sequence a1,a2,a3,…a_1, a_2, a_3, \dotsa1,a2,a3,… is defined by an+1=6−an a_{n+1} = 6 - a_nan+1=6−an where a1=2a_1 = 2a1=2.
Find the value of
(i) a2a_2a2
(ii) a85a_{85}a85
∑n=1100(3an+2)\sum_{n=1}^{100} (3a_n + 2)∑n=1100(3an+2)
Practise Edexcel A Level Maths 3.7 Recurrence Relations with exam-style questions for A Level Maths. 36 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.