06 : Algebra

01. (a-b)(a2+ab+b2) = ?

  • 1

    a3-b3

  • 2

    a3+b3

  • 3

    a3-b3+2a2b

  • 4

    a3+b3-2ab2

02. (a-b)2 +2ab = ?

  • 1

    a2-b2

  • 2

    a2+b2

  • 3

    a2-4ab+b2
     

  • 4

    A2+2ab+b2

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