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Maths-

General

Easy

Question

If A is a relation on a set R , then which one of the following is correct ?

R⊆A
A⊆R
A⊆(RXR)
R⊆(AXA)

hint Hint:

A is said subset of R if set R contains all the elements that are in set A . The symbol “⊆” means “ is a subset of ”.

The correct answer is: A⊆(RXR)

A is a relation on set R
$A equals large union from i equals 1 to n of a subscript i b subscript i comma a subscript i comma b subscript i element of R comma i greater or equal than 1$
Now , from the above equation we can clearly say that R X R set will contain more elements than n
Therefore A⊆(RXR)
Therefore, correct option is c) A⊆(RXR)

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