Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Let the relation R on the set 
be given by 
. Then the minimum number of elements required to be added in R, in order to make the relation symmetric, is equal to
Text Solution
Verified by ExpertsThe correct answer is:
C
Given 
where 
.
From 
, we get 
.
For 
to be a positive integer, 
, i.e., 
.
So 
.
,
,
,
.
.
For symmetry, 
requires 
and 
requires 
.
is already symmetric.
Minimum elements to be added 
.
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