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  4. The equation x=(et + e-t/2);y=(e1 - e-t/2);t∈ R represents

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Q. The equation $x=\frac{e^t\,+\,e^{-t}}{2};y=\frac{e^1\,-\,e^{-t}}{2};t\in$ R represents

Conic Sections

Solution:

Correct answer is (c) a hyperbola