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1. (a + b)2 = 36 এবং (a - b)2 = 16 হলে, ab এবং (a2 + b2) -এর মান যথাক্রমে--

  • A. 10, 5
  • B. 10, 5
  • C. 10, 5
  • D. 10, 5

Answer: Option D

Explanation:

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