Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Quantitative Aptitude Algebra Identities

If \(\sqrt x + \frac 1 {\sqrt x} = 3,\) then the value of \(x^3 + \frac 1 {x^3}\) is:

1
322
2
326
3
324
4
422
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