1.Relation and Function
easy

જો $A = \{1, 2, 3, 4\}$ અને $R$ એ $A$ પરનો સંબંધ છે કે જેથી $R = \{(1, 1), (2, 2), (3, 3), (4, 4), (1, 2), (2, 1), (3, 1), (1, 3)\}$.તો $R$ એ . .  .

A

સ્વવાચક

B

પરંપરિત

C

સામ્ય સંબંધ

D

એકપણ નહીં.

Solution

(a) $(1, 1)(2, 2)(3, 3)(4, 4)  \in R$ 

$\therefore$ $R$ is reflexive.

$\therefore $ $(1, 2) (3, 1)$$ \in R$  and also $(2, 1)(1, 3) $$ \in R$

Hence, $R$ is symmetric. But clearly $R$ is not transitive.

Standard 12
Mathematics

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