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1. x+y=6

  • A. 12
  • B. 12
  • C. 12
  • D. 12

Answer: Option D

Explanation:

x = 5 হলে y = 1;xy = 5 x1 = ‌5

x = 4 হলে y = 2;xy = 4 x 2 = 8

x = 3 হলে y = 3;xy = 3 x 3 = 9

সুতরাং,সঠিক উত্তর 9 

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