Question 20 — IGCSE 0580 Specimen 2025 Paper 41
Cambridge IGCSE Mathematics 0580, Extended tier, calculator. Topic: Numbers · The four rules. Worth 2 marks.
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Question text
20 y = 2xk + ux7 and dy = 18xk–1 + 21x6
dx
Find the value of k and the value of u.
k = ....................................................
u = ....................................................
[2]
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