Question 18 — IGCSE 0580 May/June 2025 Paper 22
Cambridge IGCSE Mathematics 0580, Extended tier, non-calculator. Topic: Numbers · Surds. Worth 4 marks.
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Question text
18 (a) 9
3
Rationalise the denominator .
Give your answer in its simplest form.
................................................. [2]
(b) (5- 2)(1+3 2) = c+k 2
Find the value of c and the value of k.
c = ................................................
k = ................................................
[2]
SIHT
NI
ETIRW
TON
OD
NIGRAM
SIHT
NI
ETIRW
TON
OD
NIGRAM
SIHT
N
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