1.Relation and Function
easy

પ્રાકૃતિક સંખ્યા પર સંબંધ $“ <  ”$ એ . . .

A

માત્ર સંમિત      

B

માત્ર પરંપરિત     

C

માત્ર સ્વવાચક     

D

સામ્ય સંબંધ

Solution

(b) Since $x < y,\,y < z \Rightarrow x < z\rlap{–} \vee x,\,y,\,z \in N$

$\therefore x\,R\,y,\,yR\,z \Rightarrow x\,R\,z$ , $\therefore$ Relation is transitive,

$\therefore x < y$ does not give $y < x$,

$\therefore $ Relation is not symmetric.

Since $x < x$ does not hold, hence relation is not reflexive.

Standard 12
Mathematics

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