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1. x2 -1 - y(y - 2) এর উৎপাদক কত?

  • A. (x - y - 1)(x - y + 1)
  • B. (x - y - 1)(x - y + 1)
  • C. (x - y - 1)(x - y + 1)
  • D. (x - y - 1)(x - y + 1)

Answer: Option C

Explanation:

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