Tiêu đề Sets, Relations and Functions merged.pdf ✅

Sets, Relations and Functions Grade 11 • Mathematics • Chapter 6 • Module 1
1.1 Definition and Description of Sets Sets, Relations and Functions Definition A set is a collection of well defined objects. (a) Sets are generally denoted by capital letters like A, B, X, Y etc. Elements of the set are denoted by small letters like a, b, x, y etc. (a) If a is an element of the set A, then it’s written as a ∈ A. (a) Elements are not repeated in the set. NOTE
1.1 Definition and Description of Sets Sets, Relations and Functions Description Sets are described in two ways. (i) Roster form (ii) Set Builder form Elements are listed using commas and brackets For example, {a, e, i, o, u} Elements are told by telling the property or rule they follow For example, {x : x is a vowel}
Let’s S lve Ex. Match the following (A) (I) (B) (II) (c) (III) (IV) (V) Solution