Curve 16 x2-8 x y-y2-74 x-78 y-212-0 representsA- ParabolaB- HyperbolaC- EllipseD- None of these

The correct option is A Parabola Δ≠ 0, h^2=ab i.e., parabola ...

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Condition for Coplanarity of Four Points

Curve 16 x2+8...

Question

Curve $16 x^{2} + 8 x y + y^{2} - 74 x - 78 y + 212 = 0$ represents

Parabola

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Hyperbola

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Ellipse

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None of these

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Solution

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The equation $16 x^{2} + y^{2} + 8 x y - 74 x - 78 y + 212 = 0$ represents

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