1 . a2 - c2 + 2ab + b2 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)
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1 . a2 - c2 + 2ab + b2 এর উৎপাদক কোনটি?
View Answer | Discuss in Forum | Workspace | Report |