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f (x) = \frac{x}{x - |x|}

হলে ফাংশিনটির ডোমেন কত?

|x \in R : - \infty < x < 0|

|x \in I R : x \neq 1|

|x \in I R : x > 0|

|x \in I R : x \neq 0|

ANS : 2

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