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If the curves (x^2)/4+y^2=1 and (x^2)/(...

If the curves `(x^2)/4+y^2=1` and `(x^2)/(a^2)+y^2=1` for a suitable value of `a` cut on four concyclic points, the equation of the circle passing through these four points is `x^2+y^2=2` (b) `x^2+y^2=1` `x^2+y^2=4` (d) none of these

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CENGAGE ENGLISH-CONIC SECTIONS-All Questions
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  3. If the curves (x^2)/4+y^2=1 and (x^2)/(a^2)+y^2=1 for a suitable val...

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  4. If the normal at P to the rectangular hyperbola x^2-y^2=4 meets the ax...

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  13. The equation (x-alpha)^2+(y-beta)^2=k(l x+m y+n)^2 represents (a) a pa...

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