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The locus of the vertex of the family of parabolas `y=(a^3x^2)/3+(a^(2x))/2-2a` is `x y=(105)/(64)` (b) `x y=3/4` `x y=(35)/(16)` (d) `x y=(64)/(105)`

A

`xy=105/64`

B

`xy=3//4`

C

`xy=35/16`

D

`xy=64/105`

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The correct Answer is:
A
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MOTION-PARABOLA-EXERCISE - IV
  1. The locus of the vertex of the family of parabolas y=(a^3x^2)/3+(a^(2x...

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  2. The equation of a tangent to the parabola y^2=""8x""i s""y""=""x""+...

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  3. A parabola has the origin as its focus and the line x""=""2 as the ...

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  4. If two tangents drawn from a point P to the parabola y2 = 4x are at ri...

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  5. Given : A circle, 2x^2+""2y^2=""5 and a parabola, y^2=""4sqrt(5)""x . ...

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  6. The equation to the line touching both the parabolas y^2 =4x and x^2=...

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  7. Let O be the vertex and Q be any point on the parabola,x^2=""8y . I...

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  8. Let , P be the point on the parabola y^(2) = 8x which is at a min...

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  9. The centres of those circles which touch the circle x^(2) + y^(2) - 8...

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  10. IF the tangent at (1,7) to the curve x ^(2) = y-6 touches the circle ...

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  11. Tangent and normal are drawn at P(16,16) on the parabola y^2=16x which...

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  12. The axis of a parabola is along the line y=x and the distance of its v...

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  13. The equations of the common tangents to the parabola y = x^2 and y=-...

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  14. Match the following. Normals are drawn at points P Q and R lying on th...

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  15. Statement-1: The curve y=(-x^(2))/2+x+1 s symmetric with respect to th...

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  16. Consider the circle x^2 + y^2 = 9 and the parabola y^2 = 8x. They inte...

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  17. Consider the circle x^2 + y^2 = 9 and the parabola y^2 = 8x. They inte...

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  18. Consider the circle x^2 + y^2 = 9 and the parabola y^2 = 8x. They inte...

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  19. The tangent and normal at P(t), for all real positive t, to the parabo...

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  20. Let A and B be two distinct points on the parabola y^2 = 4x. If the ax...

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