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1. a2 - b2 + 4bc - 4c2 এর উৎপাদক কোনটি?

  • A. (a + b + c) (a - b + c)
  • B. (a + b + c) (a - b + c)
  • C. (a + b + c) (a - b + c)
  • D. (a + b + c) (a - b + c)

Answer: Option C

Explanation:

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