Question

25. If f(x) = 1/1-x, then f^-1(x) is
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Answer 1

Step-by-step explanation:

let y=f(x)

f-¹(y) =x

y = 1/(1-x)

1-x =1/y

1-(1/y )=x

1-(1/y)=f-¹(y)

f-¹(x)= 1-(1/x) = (x-1)/x