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1. x4 + 4x2 - 5 এর উৎপাদক কোনটি?

  • A. (x - 1) (x2 + 5)
  • B. (x - 1) (x2 + 5)
  • C. (x - 1) (x2 + 5)
  • D. (x - 1) (x2 + 5)

Answer: Option C

Explanation:

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