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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 exist f={(1,4,),(2,3),(3,2),(4,1)} |
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Answer» Solution :x={1,2,3,4} f is BIJECTIVE. Hence `f^(-1)` EXISTS. ` f^(-1) ={(4,1),(3,2),(2,3),(1,4)}` |
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