Preference

প্রশ্নঃ

9x2 - (2x - 3y) = ?

  1. ক.

    (5x - 3y)(x + 3y)

  2. খ.

    (5x - 3y)(x - 3y)

  3. গ.

    (5x + 3y)(x - 3y)

  4. ঘ.

    কোনটিয় নয়

উত্তরঃ
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