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

  • 1

    -2

  • 2

    2

  • 3

    -1

  • 4

    1

Answer:- 2

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hi

  • 20 Oct 2020 07:04 AM

hi

  • 20 Oct 2020 07:04 AM

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