यदि 𝒙𝟐+𝟏/𝒙𝟐 = 7 हो, तो 𝒙𝟐−𝟏/𝒙𝟐 का मान क्या होगा।

  • 1

    3

  • 2

    𝟑√𝟓

  • 3

    𝟓√𝟑

  • 4

    𝟑√𝟐

Answer:- 2

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  • 28 Sep 2020 01:53 PM

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