Here are the first 5 terms of a quadratic sequence.
0 3 8 15 24
Show that the n n\,nth term is n2−1n^2 - 1n2−1
Hence, determine whether 48 is a term in the sequence.
201 exam-style questions on OCR GCSE Maths The Nth Term of a Quadratic Sequence. Each one has a worked solution and a mark scheme showing where the marks go.