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E Content ( Sets )
Class XI - Chapter 1 Sets Learning outcomes • Learner will be able to provide examples for sets • Learner will be able to identify sets from their set- builder form • Learner will be able to differentiate finite sets and infinite sets Note Definition: A set is a well-defined collection of distinct objects, called elements or members. Examples: Set of vowels in English: {a, e, i, o, u} Set of even natural numbers: {2, 4, 6, 8, …} Roster Form: In this form, elements are listed within curly brackets. Example: {1, 3, 5, 7} Set-Builder Form: In this form, a set is described by a property its elements satisfy. Example: {x | x is an odd number less than 10} Finite sets: A set with a countable number of elements. Example: {2, 4, 6, 8} Infinite Set: A set with uncountable or endless elements. Example: {1, 2, 3, 4, …} (natural numbers) Examples: Video of the class https://youtu.be/yOzzfO-46k4?si=7oiNEQNsrhjErgaE Self assessment questions Question 1: Write the set of all vo...
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