In the three dimensions the equation x^2 - y^2 = a^2 represents?

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In the three dimensions the equation x^2 - y^2 = a^2 represents? Answer: A cylinder

In three dimensions, the equation \(x^{2}-y^{2}=a^{2}\) represents a hyperbolic cylinder.

Question context

This question is part of 📐 Geometry within the broader 🧠 Aptitude Mastery subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.