Preference

প্রশ্নঃ

a2 - b2 + 4bc - 4c2 এর উৎপাদক কোনটি?

  1. ক.

    (a + b + c) (a - b + c)

  2. খ.

    (a - b + 2c) (a + b + c)

  3. গ.

    (a + b - 2c) (a - b + 2c)

  4. ঘ.

    (a2 + b2 - 2c) (a - b + 2c)

উত্তরঃ
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