Edexcel Mathematics June 2022 · Paper 1 · Question 4 · ExamRizz

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June 2022 · Paper 1 · Question 4 · 3 marks

4. (a) Express 6.3 2 lim δ δ 0 x → ∑ as an integral. x x x = 2.1 (1) (b) Hence show that 6.3 lim δ δ 0 x → ∑ 2 x x x = 2.1 = ln k where k is a constant to be found.

Lesson: Introduction to Integration (Fundamental Theorem of Calculus)