JEE Mains · Maths · STD 12 - 1. relation and function
Let the relation R on the set \(M=\{1,2,3,.......16\}\) be given by \(R=\{(x,y):4y=5x-3,x,y\in M\}\). Then the minimum number of elements required to be added in R, in order to make the relation symmetric, is equal to
- A 1
- B 2
- C 4
- D 3
Answer & Solution
Correct Answer
(B) 2
Step-by-step Solution
Detailed explanation
\(R=\{(3,3),(7,8),(11,13)\}\) to make it symmetric \((8,7)\),\((13,11)\) must be added.
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