Preference

প্রশ্নঃ

সমাধান করুনঃ xy = yx ; x = 2y(x≠0, y≠0)

  1. ক.

    (x, y) = (8, 4)

  2. খ.

    (x, y) = (6, 3)

  3. গ.

    (x, y) = (2, 1)

  4. ঘ.

    (x, y) = (4, 2)

উত্তরঃ
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