20-es5.2b80aeb524b34d2419df.js

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"])),(l()(),e.rb(50,0,null,null,2,"app-math-jax",[],null,null,null,r.b,r.a)),e.qb(51,4308992,null,0,o.a,[],null,null),(l()(),e.Kb(-1,0,["2+\\sqrt 5"])),(l()(),e.rb(53,0,null,null,9,"li",[],null,null,null,null,null)),(l()(),e.rb(54,0,null,null,1,"p",[],null,null,null,null,null)),(l()(),e.Kb(-1,null,[" The product of a non - Zero rational number and an "])),(l()(),e.rb(56,0,null,null,1,"p",[],null,null,null,null,null)),(l()(),e.Kb(-1,null,[" irrational number is always irrational. "])),(l()(),e.rb(58,0,null,null,4,"p",[],null,null,null,null,null)),(l()(),e.Kb(-1,null,[" Eg. "])),(l()(),e.rb(60,0,null,null,2,"app-math-jax",[],null,null,null,r.b,r.a)),e.qb(61,4308992,null,0,o.a,[],null,null),(l()(),e.Kb(-1,0,["3\\times \\sqrt 5"])),(l()(),e.rb(63,0,null,null,32,"li",[],null,null,null,null,null)),(l()(),e.rb(64,0,null,null,1,"p",[],null,null,null,null,null)),(l()(),e.Kb(-1,null,[" Functions or mapping : "])),(l()(),e.rb(66,0,null,null,1,"p",[],null,null,null,null,null)),(l()(),e.Kb(-1,null,[" Consider any two non- empty sets A and B. Let f denote some rule which associates with each element of A. an unique element of B. "])),(l()(),e.rb(68,0,null,null,1,"p",[],null,null,null,null,null)),(l()(),e.Kb(-1,null,[" We then call \"f' as a mapping or a function from A to B. 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