Question
If $f(x)=\frac{x-1}{x+1}, x \neq-1 ;$ then find $f\left(\frac{x-1}{x+1}\right)$.(1) $x$(2) $-\frac{1}{\mathrm{x}}$(3) $\mathrm{f}(\mathrm{x})$(4) $\mathrm{f}\left(\frac{1}{\mathrm{x}}\right)$
Step 1
Step 1: We are given the function $f(x)=\frac{x-1}{x+1}$ and we need to find the value of $f\left(\frac{x-1}{x+1}\right)$. Show more…
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