Skip to content

Course home

3.3 Sequences and series (A-level only)

3.3 Sequences and series (A-level only)

Easy Medium Hard

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33

Question 19

A sequence $u_1, u_2, u_3, \dots\,$ is defined by

$u_1 = 3$

$u_{n+1} = u_n + c$ , $\geq 1\,$

where $c\,$ is a constant.

It is given that $u_5 = 23$ .

a.

Find the value of $c$ .

[2]

b.

Find an expression for $u_n\,$ in terms of $n$ .

[2]

Markscheme

3.3 Sequences and series (A-level only) Questions

A Level
Maths
3.3 Sequences and series (A-level only)

200 exam-style questions on CCEA A Level Maths 3.3 Sequences and series (A-level only), covering 3.3.1 Sequences and series (A-level only), 3.3.2 Sequences and series (A-level only), 3.3.3 Sequences and series (A-level only), 3.3.4 Sequences and series (A-level only), 3.3.5 Sequences and series (A-level only), 3.3.6 Sequences and series (A-level only), 3.3.7 Sequences and series (A-level only), and 3.3.8 Sequences and series (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Question bank