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1. f ( x ) = √ ln ( 1 − x )  ফাংশনের ডোমেইন কত?

  • A. ( − ∞ , 0 )
  • B. ( − ∞ , 0 )
  • C. ( − ∞ , 0 )
  • D. ( − ∞ , 0 )

Answer: Option B

Explanation:

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