Here are the first 5 terms of a quadratic sequence.
2 9 22 41 66
Show that the n n\,nth term is 3n2−2n+13n^2 - 2n + 13n2−2n+1
Hence, determine whether 561 is a term in the sequence.
Practise OCR GCSE Maths The Nth Term of a Quadratic Sequence with exam-style questions for Foundation and Higher tier. 48 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.