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,

Embty Set: Con sider the Set R x is a student closs x present Studlying in a Sc hoo2 The Set. A Contains a dinite number jfelement. B x x is a student presently sfudying in both The set B Contains no element at all is called the empy Setr the nui Seh classes x and XI ition A set which does not Contain any ela ment .. The empty set s denoted by the Symbol or{ }

Ex- Lot A = {x; l <x. < 2 , is a natural nu mber}. Li) 0 cii) Cx:x is an even Intege prime number greater than 2 }

Finite and Indinite Set number elements is called finite otherwise , the Set is callad Indinite. Ex: . let W , be. the set g all days the week . then w is ) let S bethe Sergi SaloxHons.cj the equa Hon x.16-o (i ) Lat (n be the Set. points on a Q.ine. Then (r is C.i inite then S is dinte Intinitc

es: state which th plowing Sels ate dinile or Infinite. , Hcnce 1's dinite. , Hence it's dihitc ; { }Hence it is inite. 1,2,3,5 } 2 ime, ie Set g prime number is. indinite. Hcnce the given Se is Infinite x; EN anci x is odd}. , the given set , the giveh Set is Ijinile

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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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SRILAKSHMI GOPAL

a year ago

current affairs related information parayunnath nallathanu. Keep going sir..

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Sudheesh Raghavan

a year ago

Sure 👍👍