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# Help me thanks

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Find the smallest possible value of

$$\frac{(y-x)^2}{(y-z)(z-x)} + \frac{(z-y)^2}{(z-x)(x-y)} + \frac{(x-z)^2}{(x-y)(y-z)}$$

where x, y and z are distinct real numbers.

Feb 2, 2020