MATHEMATICS FOR CLASS XI CHATTER-7 SETS by Upendra yadav

Targeted Audience Students in Class XI . IIT-JEE -Competitive exam . General Public

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INTRODUCTION Upendra yadav B.Sc. (H Mathematics from Delhi University Qualified exam: IIT-JAM,

SUbset:- Dediniton: A Set A is said to bc a Subset a a Sch B every element A is also an element gB We read the above statement as A is a Sub set g a is an elament A implres that a is also an dor two way Impli cation s and written as ' nd only(bie

* The empty Seh has no elements , we agree to sa that is a Subset every Set. Ex: Consider the sets , A {1,3},8-{1,5,9} then (i) B as is a subset g every set (ii) A B as 3 E and. 3dB (i ACC as 1,3 EA also belongs to C (iv) Bcc as each eloment Bis auso an element C.

Subsets Set- ReaQ Numbers; There are many important Subset R. We give Some these Subsets belou the hames The set d Natural Number, N,2,3,4, The Sct Integer. The set IrraHonal Number, denoted by (.e all real Numbers that are not Ration al

Thanku very much PLEASE po RAre REVIEW ANp SHARE MY LESSONS . IF YOU'VE ANY QUERIES THEN LEASE ASK ME INTHE coMMENT SECTION

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Upendra

B.Sc.(H) Mathematics from Delhi University, Qualified IIT JAM & NBHM. Exploring new things, Love being around children and helping kids.

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Ujjwal sharma

a year ago

today robotics me calls for ku nhi aaya ye to plural ho gye na

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Archana Devi

5 months ago

sir please upload the videos on singleton set, disjoint set, power set, universal set, Venn diagram, difference of sets, complement of a set, intersection of sets and union of sets.

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Upendra

5 months ago

okay, I'll definitely make all other lectures related to sets.

Archana Devi

5 months ago

thank you very much sir, but l request you please upload videos as soon as possible