Question 18 — IGCSE 0580 Oct/Nov 2025 Paper 31
Cambridge IGCSE Mathematics 0580, Core tier, calculator. Topic: Algebra · Sequences. Worth 4 marks.
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Question text
18 (a) The nth term of a sequence is n2-4.
Find the first 3 terms of this sequence.
............... , ............... , ............... [2]
(b) These are the first four terms of a different sequence.
5 2 -1 -4
Find the nth term.
................................................. [2]
NIGRAM
SIHT
NI
ETIRW
TON
OD
NIGRAM
SIHT
NI
ETIRW
TON
O
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