state gov Haryana CET Group C Mock Test Series 2025 (New Pattern) Quantitative Aptitude Algebra Identities
If x + \(\frac{1}{x}\) = \(2\sqrt 5 \:\) where x > 1, then the value of x3 - \(\frac{1}{{{x^3}}}\) is:
1
82
2
76
3
86
4
78
5
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