Question

найдите$f (frac{1}{x-1} )$ ,если$f(x)= frac{x-2}{2x-3}$

Answer 1

 $f(frac{1}{x-1})=frac{frac{1}{x-1}-2}{frac{2}{x-1}-3}=frac{1-2x+2}{2-3x+3}=frac{3-2x}{5-3x}$