Commerce Exam > Commerce Videos > Mathematics (Maths) Class 11 > Sets & their Representation
Sets & their Representation Video Lecture | Mathematics (Maths) Class 11 - Commerce
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75 videos|238 docs|91 tests
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FAQs on Sets & their Representation Video Lecture - Mathematics (Maths) Class 11 - Commerce
| 1. What is a set? |  |
Ans. A set is a collection of distinct objects, which are called its elements. In other words, a set is a well-defined collection of objects that can be anything such as numbers, letters, or even other sets.
| 2. How are sets represented? | |
Ans. Sets can be represented in two ways- roster form and set-builder form. In roster form, the elements of the set are enclosed in curly braces and separated by commas. For example, {1, 2, 3}. In set-builder form, the set is defined by describing the properties that its elements must satisfy. For example, {x | x is a natural number and x < 5}.
| 3. What is the cardinality of a set? | |
Ans. The cardinality of a set is the number of elements in the set. For example, the set {1, 2, 3} has a cardinality of 3.
| 4. What is an empty set? | |
Ans. An empty set is a set that contains no elements. It is denoted by the symbol ∅ or {}.
| 5. What is a subset? | |
Ans. A subset is a set that contains only elements that are also in another set. In other words, if every element of set A is also an element of set B, then A is a subset of B, denoted by A ⊆ B.
About this Video
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Nov 17, 2024 Last updated |
Video Description: Sets & their Representation for Commerce 2024 is part of Mathematics (Maths) Class 11 preparation.
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Video Lecture & Questions for Sets & their Representation Video Lecture | Mathematics (Maths) Class 11 - Commerce - Commerce full syllabus preparation | Free video for Commerce exam to prepare for Mathematics (Maths) Class 11.
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