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Question Number 159638 by mathocean1 last updated on 19/Nov/21

x, y \in R s u c h t h a t x \neq 1 a n d y \neq 1 .

S h o w t h a t

i f x \neq y t h e n \frac{1}{x - 1} \neq \frac{1}{y - 1}