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Question Id : 15591 | Context : JEE Main 2019 (9 January Evening Shift)
Let $A=\{x\in\mathbb{R}:\ x\ \text{is not a positive integer}\}$. Define a function $f:A\to\mathbb{R}$ as $f(x)=\dfrac{2x}{x-1}$. Then $f$ is:


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