1.

Let A be the set of first ten natural numbers and let R be a relation on A×A defined by R={(x,y):x+2y=10;x,y∈A}. Then range of R−1 is

Answer»

Let A be the set of first ten natural numbers and let R be a relation on A×A defined by R={(x,y):x+2y=10;x,yA}. Then range of R1 is



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