Let a set A = A_ 1 A_ 2 … A_k, where A_ i A_ j = for i j, 1 i, j k. Define the relation R from A to A by R = (x, y) : y A_ i if and only if x A_ i , 1 i k . Then, R is :

JEE Main 2022 Mathematics question

Let a set … , where for , , . Define the relation R from A to A by R = {(x, y) : y if and only if x , k}. Then, R is :

Answer: (4)

Reflexive: (a, a) R since a iff a . Symmetric: if (a, b) R then a and b lie in the same , so (b,

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-035326