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The equation of the ellipse whose axes are coincident with the coordinates axes and which touches the straight lines `3x-2y-20=0` and `x+6y-20=0` is `(x^2)/(40)+(y^2)/(10)=1` (b) `(x^2)/5+(y^2)/8=1` `(x^2)/(10)+(y^2)/(40)=1` (d) `(x^2)/(40)+(y^2)/(30)=1`

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CENGAGE ENGLISH-CONIC SECTIONS-All Questions
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  2. let the eccentricity of the hyperbola x^2/a^2-y^2/b^2=1 be reciprocal ...

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  3. The equation of the ellipse whose axes are coincident with the coor...

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  5. An ellipse with major and minor axes lengths 2a and 2b , respectively,...

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  6. Consider the hyperbola H, x^(2)-y^(2)=1 and a circle S with centre N(x...

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  7. Let d be the perpendicular distance from the centre of the ellipse x^2...

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  8. From a point P(1, 2), pair of tangents are drawn to hyperbola, one tan...

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  9. A tangent to the ellipse x^2+4y^2=4 meets the ellipse x^2+2y^2=6 at P ...

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  12. Let any double ordinate P N P ' of the hyperbola (x^2)/(25)-(y^2)/(16)...

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  13. Tangents drawn from the point P(2,3) to the circle x^2 + y^2-8x + 6y...

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  14. For hyperbola whose center is at (1, 2) and the asymptotes are paralle...

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  15. If from a point P(0,alpha) , two normals other than the axes are drawn...

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  16. The chord of contact of a point P w.r.t a hyperbola and its auxiliary ...

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  17. If the mid-point of a chord of the ellipse (x^2)/(16)+(y^2)/(25)=1 (0,...

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