यदि x + y + z = 0 है, तो (𝒙𝟐+𝒚𝟐+𝒛𝟐)÷(𝒛𝟐-xy) का मान है -

  • 1

    1

  • 2

    2

  • 3

    -2

  • 4

    -1

Answer:- 2

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