Grade 12 Maths: Find the Unknown Term in Arithmetic Sequences Using Simultaneous Equations
Автор: Uncle Pythagoras
Загружено: 2026-01-17
Просмотров: 11
Описание:
📘 Grade 12 Maths | Arithmetic Sequences Explained Step-by-Step
In this lesson, we focus on finding unknown terms in arithmetic sequences using simultaneous equations, a key skill tested in Grade 12 exams. You’ll learn how to form equations from given terms, set them up correctly, and solve them simultaneously to find the missing variable.
✅ What you’ll learn:
How to identify arithmetic sequences
How to form equations using the formula
𝑇
𝑛
=
𝑎
+
(
𝑛
−
1
)
𝑑
T
n
=a+(n−1)d
How to use simultaneous equations to solve for unknown terms
Common exam mistakes to avoid
Past exam–style questions explained step by step
This video is perfect for Grade 12 learners preparing for tests and final exams, or anyone who wants to strengthen their understanding of arithmetic sequences with confidence.
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