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1. | x−1| <1/10 হলে নিচের কোনটি সত্য ?

  • A. | x2-1| <21/100
  • B. | x2-1| <21/100
  • C. | x2-1| <21/100
  • D. | x2-1| <21/100

Answer: Option A

Explanation:

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