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Curated by: Khan Academy India - English (13 videos)
In this video, we look at a few examples of well-defined lists of objects - which we call sets. We then define what sets are before looking at some common sets from the Math world. Finally, we take note of some common norms and notations that we need to be careful with while dealing with this chapter. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! (https://www.khanacademy.org/math/ncert-class-11/xea4762213f311c5e:sets-ncert-new/xea4762213f311c5e:sets-and-their-representations/e/roster-form-and-set-builder-form) Timestamps: 00:00 Examples of some well-defined lists of objects 02:42 Mathematical definition of sets 03:26 Some common sets from the math world 04:51 Norms and notations while representing sets Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Ashish Gupta