Question 6 — IGCSE 0580 May/June 2023 Paper 42
Cambridge IGCSE Mathematics 0580, Extended tier, calculator. Topic: Algebra · Sequences. Worth 8 marks.
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Question text
6 (a) A sequence has nth term n .
2n+3
(i) Find the first three terms of this sequence.
Give your answers as fractions.
......................... , ......................... , ......................... [2]
12
(ii) The kth term of this sequence is .
25
Find the value of k.
k = ................................................ [2]
(b) Find the nth term of each sequence.
(i) 6, 13, 32, 69, 130, …
................................................. [2]
(ii) 100, 50, 25, 12.5, 6.25, …
................................................. [2]
© UCLES 2023 0580/42/M/J/23
13
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