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1. (2x + 3y)2 + 2 (2x + 3y) (2x - 3y) + (2x - 3y)2 এর সরলকৃত রূপ কোনটি?

  • A. 4y2
  • B. 4y2
  • C. 4y2
  • D. 4y2

Answer: Option C

Explanation:

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