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Show that the function f in A=|R-{2/3}\ ...

Show that the function `f` in `A=|R-{2/3}\ ` defined as `f(x)=(4x+3)/(6x-4)` is one-one and onto. Hence find `f^(-1)dot`

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The correct Answer is:
`f^(-1) (x) = (4x+3)/( 6x-4) = g (x)`.
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