If \(x - \frac{1}{x} = 4\), find the value of \(x^3 - \frac{1}{x^3}\).

A. 76

B. 52

C. 60

D. 64

Doubtly AI Asked 27 Oct 2026 AI-generated · not yet verified ssc chsl Save WhatsApp Report

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Answer: A. 76

Answer: (A) 76

\(x^3 - \frac{1}{x^3} = \left(x - \frac{1}{x}\right)^3 + 3\left(x - \frac{1}{x}\right) = 64 + 12 = 76\).

Doubtly AI · 27 Oct 2026 AI-generated · not yet verified Report

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