Preference

প্রশ্নঃ

x² + 2xy - 2y - 1 এর উৎপাদক কত?

  1. ক.

    (x + 2y + 1)(x - 1)

  2. খ.

    (x + y + 1)(x + 1)

  3. গ.

    (x + 2y + 1)(x + 1)

  4. ঘ.

    (x + y + 1)(x - 1)

উত্তরঃ
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