The n n\,nth term of a sequence is n2+kn^2 + kn2+k
The first term of this sequence is 5.
Find the value of kkk.
40 is a term in this sequence.
Find the position of this term.
You must show how you get your answer.
208 exam-style questions on AQA GCSE Maths Sequences (Nth Term). Each one has a worked solution and a mark scheme showing where the marks go.