If \(x + \frac{1}{x} = 4\), what is the value of \(x^2 + \frac{1}{x^2}\)?

A. 14

B. 12

C. 16

D. 18

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

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Answer: A. 14

Answer: (A) 14

Shortcut: \(x^2 + \frac{1}{x^2} = \left(x + \frac{1}{x}\right)^2 - 2 = 16 - 2 = 14\).

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

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