यदि a + b + c = 2, 𝒂𝟐+ 𝒃𝟐+ 𝒄𝟐 =26, तब 𝒂𝟑+𝒃𝟑+𝒄𝟑-3 abc का मान है - 

  • 1

    71

  • 2

    74

  • 3

    69

  • 4

    78

Answer:- 2

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