Q. 25.0( 2 Votes )

Which one of the

Answer :

Formula:-


(i) A function is one-one function or an injection if


f(x)=f(y)


x=y for all x, y A


or f(x)f(y)


xy for all x, y A


(a) It is not one-one function as it has same image on x axis


(b) It is one-one function s it have unique image


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