Recent questions in Mathematics

A common tangent to $9x^2-16y^2=144$ and $x^2+y^2=9$ is

asked Apr 11, 2014 by meena.p

1 answer

The eccentricity of the hyperbola whose latus rectum is $8$ and conjugate axis is equal to half the distance between the foci is

asked Apr 11, 2014 by meena.p

1 answer

Find the asymptotes of the hyperbola. $xy=4x+3y$

asked Apr 11, 2014 by meena.p

1 answer

Find the equation of the hyperbola with focus $(2,2) \; e=2$ and directrise $x+y=9$

asked Apr 10, 2014 by meena.p

1 answer

The minimum area of triangle formed by the tangents to the ellipse $\large\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$ coordinate axes is :

asked Apr 10, 2014 by meena.p

1 answer

The locus of the mid- points of the portion of the tangents to the ellipse intercepted between the axis is :

asked Apr 10, 2014 by meena.p

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Equation of the director circle of the ellipse $x^2+2y^2+2x-12y+15=0$ is

asked Apr 10, 2014 by meena.p

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If $3x+2y=0$ and $5x-12y=0$ are the equation of the pour of conjugates diameters, then value of eccentricity e is

asked Apr 10, 2014 by meena.p

1 answer

The locus of the mid -point of the portion of the tangents to the ellipse intercepted between the axes is

asked Apr 10, 2014 by meena.p

1 answer

Tangent is drawn to the ellipse $\large\frac{x^2}{27}$ $+y^2=1$ at $(3 \sqrt 3 \cos \theta, \sin \theta)$ (where $\theta \in (0, \large\frac{\pi}{2} )$ ) Then the value of $\theta$ such that sum of intercepts on axis made by this tangent is minimum is

asked Apr 10, 2014 by meena.p

1 answer

The eccentricity of an ellipse , with its centre at origin is $\large\frac{1}{2}$ , If one of the directrices is $x=4$ then the equation of the ellipse is

asked Apr 10, 2014 by meena.p

1 answer

The lengths of the axes of the conic $9x^2+4y^2-6x+4y+1=0$ are

asked Apr 10, 2014 by meena.p

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Length of latus rectum is one third of major axis:

asked Apr 10, 2014 by meena.p

1 answer

If the polar of $y^2=4ax$ is always touching the ellipse $\large\frac{x^2}{a^2}+\frac{y^2}{b^2}$ $=1$ then locus of the pole is :

asked Apr 10, 2014 by meena.p

1 answer

If $y=mx+c$ is a tangent to the ellipse $x^2+2y^2=6$ then $c^2$ is equal to

asked Apr 10, 2014 by meena.p

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The number of normal that can be drawn from a point to a given ellipse is

asked Apr 10, 2014 by meena.p

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The line $x \cos \alpha + y \sin \alpha =p$ is a tangent to the ellipse. $\large\frac{x^2}{a^2}+\frac{y^2}{b^2}$ $=1$ if

asked Apr 10, 2014 by meena.p

1 answer

The equation of the ellipse (referred to its axis as the axis of x and y respectively) which passes through the point $(-3,1)$ and had eccentricity $\sqrt {\large\frac{ 2}{5}}$

asked Apr 10, 2014 by meena.p

1 answer

The eccentric angle of a point on the ellipse $\large\frac{x^2}{6} +\frac{y^2}{2}$ $=1$ Whose distance from the centre of ellipse is 2 is

asked Apr 10, 2014 by meena.p

1 answer

Find the equation of tangent to the ellipse $3x^2+4y^2=12$ which are parallel to the line $y+2x=4$

asked Apr 10, 2014 by meena.p

1 answer

P is a point, two tangents are drawn from it to the parabola $y^2=4x$ such that the slope of one tangent is three times the slope of the other. The locus of P is

asked Apr 10, 2014 by meena.p

1 answer

If the vertex and the focus of a parabola are $(-1,1)$ and $(2,3)$ respectively then the equation of the directrise , is

asked Apr 10, 2014 by meena.p

1 answer

The angle between the tangent drawn from the point $(1,4)$ to the parabola $y^2=4x$ is

asked Apr 10, 2014 by meena.p

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The curve disturbed parametrically by $x=t^2+t+1\;y=t^2-t+1$ represents

asked Apr 10, 2014 by meena.p

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If $x+y=k$ is the normal to $y^2=12x$ then k is

asked Apr 10, 2014 by meena.p

1 answer

If the line $x-1=0$ is the directrix of parabola $y^2-kx+8=0$ then one of the value of k is

asked Apr 10, 2014 by meena.p

1 answer

The equation of the directrise of the parabola $y^2+4y+4x+2=0$ is

asked Apr 10, 2014 by meena.p

1 answer

The angle between the tangents draw from the origin to the parabola $y^2=4a(x-a)$ is

asked Apr 10, 2014 by meena.p

1 answer

The equation of common tangent to the curves $y^2=8x$ and $xy=-1$ is

asked Apr 10, 2014 by meena.p

1 answer

The locus of the mid point of the line segment joining the focus to a moving point on parabola $y^2=4ax$ is another parabola with direction

asked Apr 9, 2014 by meena.p

1 answer

In the parabola $y^2=4ax$ , the length of the chord passing through the vertex and inclined to the x-axis at an angle $\theta$ is

asked Apr 9, 2014 by meena.p

1 answer