Question

If AX-B , d (A,x) = 3, d (x,B) = 4 find d(A, B)​

Answer 1

Answer:

Answer

Clearly,A is the set of all first entries in ordered pairs in A×B and B is the set of all second entries in ordered pairs in A×B

∴A={a,b} and B={1,2,3}

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