Questions
The minimum number of elements that must be added to the relation on the sub set of natural numbers so that it is an equivalence relation is
a
4
b
7
c
6
d
5
detailed solution
Correct option is B
R is reflexive if (x,x)∈R for all x∈{1,2,3}⇒ (1,1),(2,2),(3,3)∈RR is symmetric if (1,2),(2,3)∈R⇒ (1,3)∈R also (3,1)∈R as R is transitive if (1,2),(2,3)∈R⇒ (1,3)∈R also (3,1)∈R as R is symmetric.So the total numbers of elements is 9.Talk to our academic expert!
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is a relation which is
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