If $f(x)=\frac{(4 x+3)}{(6 x-4)}, x \neq \frac{2}{3}$, show that (f o f) $(x)=x$ for all $x \neq \frac{2}{3}$
Hence, find $\mathrm{f}^{-1}$.
To Show: that $f$ o $f(x)=x$
Finding (f o f) (x)
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