If R is a relation defined on the set Z of integers by the rule , then write domain of R .

Question

Philoid · Accepted Answer

Here, relation R is defined on the set Z.

And by the given definition of relation, R={(x,y) : x,yϵ Z ,x² +y²=9}

={(-3,0),(0,-3),(3,0),(0,3)}

Now we know,Domain is the set which consist all first elements of ordered pairs in relation R.

So,Domain(R)={-3,0,3}