Question
Let $f(x)=\frac{\alpha x}{x+1}, x \neq-1$ then for what value of $\alpha$ is$f(f(x))=x ?$
Step 1
Step 1: We are given the function $f(x)=\frac{\alpha x}{x+1}$, and we want to find the value of $\alpha$ such that $f(f(x))=x$. Show more…
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