Preference

প্রশ্নঃ

a2 - c2 + 2ab + b2 এর উৎপাদক কোনটি?

  1. ক.

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

  2. খ.

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

  3. গ.

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

  4. ঘ.

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

উত্তরঃ
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