সমাধানের গুণ
Can you prove that $1<\frac{xyz-1}{(x-1)(y-1)(z-1)}<\frac{x}{x-1}\frac{y}{y-1}\frac{z}{z-1}\leq2.\frac{3}{2}.\frac{4}{3}=4$ from the given information?
Can you prove that $1<\frac{xyz-1}{(x-1)(y-1)(z-1)}<\frac{x}{x-1}\frac{y}{y-1}\frac{z}{z-1}\leq2.\frac{3}{2}.\frac{4}{3}=4$ from the given information?