(a)[1]
Find the $n$th term for the sequence $4, 8, 12, 16, 20, \ldots$.
(b)[2]
Find the $n$th term for the sequence $11, 20, 35, 56, 83, \ldots$.
Mathematics 0580 · IGCSE · Sequences
Find the $n$th term for the sequence $4, 8, 12, 16, 20, \ldots$.
Find the $n$th term for the sequence $11, 20, 35, 56, 83, \ldots$.