H2 Maths Notes (JC 1-2): 2.1) Sequences and Series

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07 Oct 2025, 00:00 Z

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Marcus Pang·Managing Director (Maths)

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Q: What does H2 Maths Notes (JC 1-2): 2.1) Sequences and Series cover?
A: Convergence tests, AP/GP formulae, sigma notation, and standard H2 sequences problem types.

Before you revise
Keep a separate page for identities: arithmetic/geometric sums, binomial expansions, and standard limits. Most errors come from mixing up first term and common ratio definitions.

Status: SEAB H2 Mathematics (9758, first exam 2026) syllabus last checked 2025-11-29 (PDF last modified 2024-10-16). Topic 2.1 scope unchanged; Section A still contributes 70 marks per paper (Pure Mathematics).

Core Definitions

• A sequence is an ordered list of terms ${u_n}$. The nth partial sum is $S_n = u_1 + u_2 + \dots + u_n$