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Let S = {a , b , c} a n d T = {1, 2, 3}....

Let `S = {a , b , c} a n d T = {1, 2, 3}`. Find `F^(-1)`of the following functions F from S to T, if it exists.(i `) F = {(a , 3), (b , 2), (c , 1)}`(ii) `F = {(a , 2), (b , 1), (c , 1)}`

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The correct Answer is:
`(i) F ^(-1) = {3,a) , (2,b) ,(1,c) } ,(ii) F ^(-1) ` does not exist
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NCERT GUJARATI-RELATIONS AND FUNCTIONS -MISCLELLANEOUS EXERCISE ON CHAPTER 1
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