Preference

প্রশ্নঃ

(x2 - 1) (x4 + x2 + 1) = কত?

  1. ক.

    x4 - 1

  2. খ.

    x6 + 1

  3. গ.

    x3 - 1

  4. ঘ.

    x6 - 1

উত্তরঃ
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