Problem 12.2.10
Problem: Prove that the function \(f:\mathbb{R}-\{1\}:\mathbb{R}-\{1\}\) defined by \[ f(x)=\left(\frac{x+1}{x-1}\right)^3 \] is bijective.
Problem: Prove that the function \(f:\mathbb{R}-\{1\}:\mathbb{R}-\{1\}\) defined by \[ f(x)=\left(\frac{x+1}{x-1}\right)^3 \] is bijective.