यदि 𝓧−5√𝑥-1 = 0 है, तो 𝑥𝟐+𝟏/𝑥𝟐 किसके बराबर होगा –

  • 1

    625

  • 2

    731

  • 3

    729

  • 4

    727

Answer:- 4

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