The equation x2-10-a-y2-4-a-1 represents an ellipse if

The correct option is D a lt; 4The given equation represents an ellipse if 10 a gt; 0,4 a gt; 0.So a lt; 4. ...

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Linear Differential Equations of First Order

The equation ...

Question

The equation $\frac{x^{2}}{10 - a} + \frac{y^{2}}{4 - a} = 1$ represents an ellipse if

a < 4

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a > 4

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4 < a < 10

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a > 10

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\frac{x^{2}}{10 - a} + \frac{y^{2}}{4 - a} = 1

\frac{x^{2}}{10 - a} + \frac{y^{2}}{4 - a} = 1

\frac{x^{2}}{8 - t} + \frac{y^{2}}{t - 4} = 1

\frac{x^{2}}{2 - r} + \frac{y^{2}}{r - 5} + 1 = 0

\frac{x^{2}}{2 - λ} - \frac{y^{2}}{λ - 5} - 1 = 0

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