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min[(x1-x2)^2+(5+sqrt(1-x1^2)-sqrt(4x2))...

`min[(x_1-x_2)^2+(5+sqrt(1-x_1^2)-sqrt(4x_2))^2],AAx_1,x_2 in R ,` is (a)`4sqrt(5)-1` (b) `3-2sqrt(2)` (c)`sqrt(5)+1` (d) `sqrt(5)-1`

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CENGAGE ENGLISH-CONIC SECTIONS-All Questions
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  3. min[(x1-x2)^2+(5+sqrt(1-x1^2)-sqrt(4x2))^2],AAx1,x2 in R , is (a)4sqr...

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  4. The equation of the directrix of the parabola y^2+4y+4x+2=0 is (a)x=-1...

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  6. At what point on the parabola y^2=4x the normal makes equal angle with...

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  7. The focal chord to y^2=16 x is tangent to (x-6)^2+y^2=2. Then the poss...

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  8. If the normals to the parabola y^2=4a x at three points P ,Q ,a n dR m...

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  12. Consider a circle with its centre lying on the focus of the parabola, ...

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  13. Normal drawn to y^2=4a x at the points where it is intersected by the...

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  14. The radius of the circle touching the parabola y^2=x at (1, 1) and ha...

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  15. Maximum number of common normals of y^2=4ax and x^2=4by is

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  16. If two different tangents of y^2=4x are the normals to x^2=4b y , then...

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  17. The largest value of a for which the circle x^2+y^2=a^2 falls totally ...

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  18. A ray of light travels along a line y=4 and strikes the surface of cur...

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  19. A set of parallel chords of the parabola y^2=4a x have their midpoint ...

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