SSC SSC Selection Post (Phase 13) 2025 Mock Test Quantitative Aptitude Algebra Identities

If \(a=(\sqrt{2}-1)^{\frac{1}{3}}\), then the value of \(\left(a-\frac{1}{a}\right)^3+3\left(a-\frac{1}{a}\right)\) is:

1
√2
2
2
3
-2
4
-√2
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