https://www.khanacademy.org/math/class-9-algebra-od/x46dfd2740ea2b9e7:set-operations-and-applications-of-set/x46dfd2740ea2b9e7:roster-and-set-builder-form/v/roster-form-of-set-representation 2023-03-04T23:41:53.531499724Z Roster form of set representation Roster form of set representation Aakash Bagga video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Roster form of set representation Roster form of set representation https://cdn.kastatic.org/ka-youtube-converted/m2zOZSzDDzQ.mp4/m2zOZSzDDzQ.mp4 254 Set https://www.khanacademy.org/math/class-9-algebra-od/x46dfd2740ea2b9e7:set-operations-and-applications-of-set/x46dfd2740ea2b9e7:roster-and-set-builder-form/v/set-builder-form-and-conversions-to-and-from-roster 2023-03-04T23:41:53.531499724Z Set builder form and conversions to and from roster Set builder form and conversions to and from roster Aakash Bagga video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Set builder form and conversions to and from roster Set builder form and conversions to and from roster https://cdn.kastatic.org/ka-youtube-converted/DsejeXrBeWw.mp4/DsejeXrBeWw.mp4 534 Set https://www.khanacademy.org/math/ka-math-class-11/x0419e5b3b578592a:sets-ncert-new/x0419e5b3b578592a:sets-and-their-representations/e/roster-form-and-set-builder-form 2026-03-17T04:40:31.334379942Z Roster form and set-builder form Convert from roster form to set-builder form and vice versa. srijan exercise https://www.khanacademy.org/math/ka-math-class-11/x0419e5b3b578592a:sets-ncert-new/x0419e5b3b578592a:sets-and-their-representations/e/empty-finite-and-equal-sets 2026-03-10T04:30:37.966653692Z Empty, finite and equal sets This exercise tests the knowledge about the types of sets, whether the sets are empty or non-empty, finite or infinite sets or equal or unequal sets. Devashish Phadnis exercise https://www.khanacademy.org/math/statistics-probability/probability-library/basic-set-ops/v/subset-strict-subset-and-superset 2022-11-16T04:22:43.7414897Z Subset, strict subset, and superset A subset of a set A is any set B such that every element of B is also an element of A. A strict subset is a subset that isn't equal to the original set (i.e. B must have at least one fewer element than A). A superset of A is any set C such that A is a subset of C. Sal Khan video https://cdn.kastatic.org/googleusercontent/wMdqgxVfRi4_taIqw28njj_O9258cetOZKIsuetWCd4m_vmBb_UlLmW5br_IY3B3JgRDNaUdeReh0uWFprHFSkje Subset, strict subset, and superset A subset of a set A is any set B such that every element of B is also an element of A. A strict subset is a subset that isn't equal to the original set (i.e. B must have at least one fewer element than A). A superset of A is any set C such that A is a subset of C. https://cdn.kastatic.org/ka-youtube-converted/1wsF9GpGd00.mp4/1wsF9GpGd00.mp4 272 Set https://www.khanacademy.org/math/ka-math-class-11/x0419e5b3b578592a:sets-ncert-new/x0419e5b3b578592a:untitled-1198/e/subsets 2026-04-07T22:23:57.656416987Z Subsets find whether A is a subset of B or not? srijan exercise https://www.khanacademy.org/math/statistics-probability/probability-library/basic-set-ops/v/intersection-and-union-of-sets 2022-11-16T04:22:43.7414897Z Intersection and union of sets To find the intersection of two or more sets, you look for elements that are contained in all of the sets. To find the union of two or more sets, you combine all the elements from each set together, making sure to remove any duplicates. Sal Khan video https://cdn.kastatic.org/googleusercontent/ZfvKdb7vypXiNcij1V-Z29OBpfTVLyDuiwSWZHAIfnaq5tEsVTIH2McPYR3Yk99irAFa4WxruGFjYY7DOAiXcqun Intersection and union of sets To find the intersection of two or more sets, you look for elements that are contained in all of the sets. To find the union of two or more sets, you combine all the elements from each set together, making sure to remove any duplicates. https://cdn.kastatic.org/ka-youtube-converted/jAfNg3ylZAI.mp4/jAfNg3ylZAI.mp4 464 Set https://www.khanacademy.org/math/ka-math-class-11/x0419e5b3b578592a:sets-ncert-new/x0419e5b3b578592a:untitled-1203/e/union-of-sets 2026-04-08T00:16:02.937952483Z Union of sets Find union of two sets. srijan exercise https://www.khanacademy.org/math/ka-math-class-11/x0419e5b3b578592a:sets-ncert-new/x0419e5b3b578592a:untitled-1203/e/intersection-of-sets 2026-04-07T22:59:30.107127435Z Intersection of sets Find intersection of two sets. srijan exercise https://www.khanacademy.org/math/statistics-probability/probability-library/basic-set-ops/v/relative-complement-or-difference-between-sets 2020-08-28T01:50:22Z Relative complement or difference between sets Sal shows an example finding the relative complement or difference of two sets A and B. Sal Khan video https://cdn.kastatic.org/googleusercontent/hvlYkcIS0gb4u33eAiGNKYaSSL0WfaLKbHBUOdgg6QkPZu2ltHi_MrlofJ2jKMZhlAPQISdfDjWECGfnU7JcbEjU Relative complement or difference between sets Sal shows an example finding the relative complement or difference of two sets A and B. https://cdn.kastatic.org/ka-youtube-converted/2B4EBvVvf9w.mp4/2B4EBvVvf9w.mp4 375 Set https://www.khanacademy.org/math/ka-math-class-11/x0419e5b3b578592a:sets-ncert-new/x0419e5b3b578592a:untitled-1203/e/difference-of-sets 2026-04-07T23:36:17.218592739Z Difference of sets Find difference of two sets. srijan exercise https://www.khanacademy.org/math/class-8-od/x97648b3e69d960e3:set-odia-class-8/x97648b3e69d960e3:venn-diagrams-odia-class-8/v/representing-sets-using-venn-diagrams 2023-03-04T23:41:53.531499724Z Representing sets using Venn diagrams Check out the full course and practice content on: www.khanacademy.org Created by Aakash Singh Bagga Aakash Bagga video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Representing sets using Venn diagrams Check out the full course and practice content on: www.khanacademy.org Created by Aakash Singh Bagga https://cdn.kastatic.org/ka-youtube-converted/6QUUcEjF6FM.mp4/6QUUcEjF6FM.mp4 241 Set https://www.khanacademy.org/math/als-k-to-12-math/x54b4346ef80b5dcc:performance-standard-b/x54b4346ef80b5dcc:sets/v/visualising-set-operations-using-venn-diagrams 2023-03-04T23:41:53.531499724Z Visualising set operations using Venn diagrams Check out the full course and practice content on: www.khanacademy.org Created by Aakash Singh Bagga Aakash Bagga video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Visualising set operations using Venn diagrams Check out the full course and practice content on: www.khanacademy.org Created by Aakash Singh Bagga https://cdn.kastatic.org/ka-youtube-converted/c6TY6fVUlDQ.mp4/c6TY6fVUlDQ.mp4 252 Set https://www.khanacademy.org/math/ka-math-class-11/x0419e5b3b578592a:sets-ncert-new/x0419e5b3b578592a:untitled-1203/e/operations-on-sets-intermediate 2026-04-08T01:15:04.085520103Z Operations on sets (intermediate) Operations involving three sets, some conditional questions. srijan exercise