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Let X ={1,2,3,4}Determine whether f:X rarr Xdefined as given below have inverses. Find f^(-1) if it existf={(1,2),(2,3),(3,4),(4,1)}

Answer»

Solution :F is bijective. HENCE `f^(-1)` exists.`f^(-1)={(2,1),(3,2),(4,3),(1,4)}`


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