1 . x2 + x + 25 এর উৎপাদক কোনটি?
- A. (x - 3x + 5)2
- B. (x2 - 3x + 5) (x2 - 3x - 5)
- C. (x + 3x + 5)2
- D. (x2 + 3x + 5) (x2 - 3x + 5)
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