यदि 𝒙+𝟏/𝒙 = √𝟖𝟓 हो, तो 𝒙−𝟏/𝒙 का मान ज्ञात कीजिए।

  • 1

    9

  • 2

    √𝟖𝟗

  • 3

    𝟒√𝟓
     

  • 4

    𝟑√𝟏𝟎

Answer:- 1

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