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Question

Form the Relation R in the set A=1,2,3,.13,14 define as R=(x,y):3xy=0

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Solution

The relation R(x,y):3xy=0 is defined on the set A=1,2,3,,13,14.

This means the elements from the given set are to be chosen which satisfy 3xy=0.

Let x=1 and y=2, x,yR

Then,

3(1)2=10

So, the ordered pair (1,2) will not satisfy the given relation.

Now, let x=1 and y=3, x,yR

Then,

3(1)3=33=0

The pair(1,3) satisfies the relation.

Continuing the same way, the relation will be,

R={(1,3),(2,6),(3,9),(4,12)}


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