यदि 𝒙+𝒚+z =4, 𝒙𝒚+ 𝒚z+z𝒙=1, 𝒙3+𝒚3+z3 = 34 है तो 2𝒙𝒚z ज्ञात कीजिए-

  • 1

    12

  • 2

    -12

  • 3

    -15

  • 4

    इनमें से कोई नहीं

Answer:- 2

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