Mathematics · May / June 2025 · Paper 22 · Question 18
0580
As printed in the paper
Show the answer and mark scheme
18(a)[2]
3 3 cao [2]
M1 for 9 3 × 3 oe 3
18(b)[2]
[c =] –1 [k =] 14 [2]
B1 for each or for 3 correct terms from + − − 5 15 2 2 3 2 2 oe
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