Question

if P ={x:x<3,x€N} , Q={x:x<=2,x€W}. find P union Q × P intersection Q, where W is the set of whole numbers
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Answer 1

Answer:

P= {1,2}

Q= {0,1,2}

So, (PUQ)×(P intersection Q)= {0,1,2}×{1,2}

= {(0,1),(0,2),(1,1),(1,2),(2,1),(2,2)}

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