Sets exercise 1.5 question 1

Set एक वीडियो में समझिये। Chapter 1 set class 11th and IGNOU Discrete Mathematics.
Playlist
IGNOU MCS 212: https://www.youtube.com/playlist?list=PLasAvLonzJH5GQA9cByZ2nE6hPIjDN-V7
Discrete Mathematics: https://www.youtube.com/playlist?list=PLasAvLonzJH7QYDYB5dLwLl3ZPv4X0oLB
IGNOU MCS 13: https://www.youtube.com/playlist?list=PLasAvLonzJH4-oOfSEGFiSebeV5yLzmGU
11th class Math: https://www.youtube.com/playlist?list=PLasAvLonzJH5Q4t8aJr85vDV9_zMUW2xn

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