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Grade 11 • Science Mathematics • Unit 1: Algebra

Chapter 1: Logic, Sets and Real Number System

Exercise 1.2 — Sets

Textbook page 28

Set notation is rendered with the site’s KaTeX component. Proofs show the membership steps used to establish each identity.

Question 1

(a)

Answer and working

(b)

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Source note:

(c)

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Source note:

Question 2

(a)

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(b)

Answer and working

(c)

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Question 3

(a)

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(b)

Answer and working

Source note:

(c)

Answer and working

Source note:

Question 4

(a)

Answer and working

(b)

Answer and working

Question 5

(a)

Answer and working

(b)

Answer and working

Source note:

(c)

Answer and working

(d)

Answer and working

MCQ answer hints from the source

The source does not include the MCQ questions, options, or referenced Venn diagrams; these 16 hints are shown as source fragments only.