अगर 𝒙𝟒+𝒙−𝟒=𝟐𝟐𝟎𝟕,(𝒙>𝟎)है, तो 𝒙+𝒙−𝟏 का मान है –

  • 1

    7

  • 2

    9

  • 3

    11

  • 4

    19

Answer:- 1

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