সমীকরণমালাঃ x + 2y - z = 5; 2x + 3y + z = 11; 3x - y + 3z = 7

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সরল সমীকরণ ও সরল সহ-সমীকরণ

প্রশ্নঃ সমীকরণমালাঃ x + 2y - z = 5; 2x + 3y + z = 11; 3x - y + 3z = 7

  • ক. x = 2, y = -2, z = 1
  • খ. x = 2, y = 2, z = 1
  • গ. x = 1, y = 4, z = 4
  • ঘ. x = 1, y = 2, z = 0

সঠিক উত্তরঃ

x = 2, y = 2, z = 1
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