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Class11

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Find the locus of a middle point of a system of parallel chords of a circle $x^2+y^2=a^2$ ?

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the locus of the point of intersection of two perpendicular tangents to a given circle $x^2+y^2=a^2$ ?

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the equation of tangents from the point A(3,2) to the circle $x^2+y^2+4x+6y+8=0$ ?

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the equation of chord of contact of tangent drawn from a point $(x_1,y_1)$ to the circle $x^2+y^2=a^2$ ?

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the area of triangle formed by the tangents (4,3) to the circle $x^2+y^2=9$ and the line segment joining their point of contact?

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the length of tangents drawn from the point (4,5) to the circle $x^2+y^2+3x-2y-11=0$ ?

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the equation of the circle(s) which touches the axes and whose centre lies on the line $2x-y=3$ ?

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the equation of the circumcircle of the quadilateral formed by the four lines $x+y\pm1=0$ and $x-y\pm 1=0$ ?

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the position of a point (2,3) with respect to circle $x^2+y^2+4x+4y+4=0$

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the shortest and largest distance from the point (2,-7) to the circle $x^2+y^2-14x-10y-151=0$ .

asked Feb 11, 2014 by sreemathi.v

1 answer

If two tangents are drawn from a point on the circle $x^2+y^2=36$ to the circle $x^2+y^2=18$ then find the angle between the tangents.

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the parametric form of normal for the circle $x^2+y^2=a^2$

asked Feb 11, 2014 by sreemathi.v

1 answer

The maximum area of the triangle formed by the circle $x^2+y^2=a^2$ with two of its vertices are diametrically opposite points is?

asked Feb 11, 2014 by sreemathi.v

1 answer

For the equation $(x-2)^2+(y-2)^2=4$ find the equation of tangent at $(2,4)$ ?

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the equation of normal to the circle $(x-2)^2+(y-2)^2=4$ at $(2,4)$ ?

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the equation of normal for the circle, $x^2+y^2+2gx+2fy+c=0$ at $(x_1,y_1)$

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the equation of tangent at the point $p(x_1,y_1)$ to a circle $x^2+y^2+2gx+2fy+c=0$ ?

asked Feb 11, 2014 by sreemathi.v

1 answer

Discuss the position of the points (2,3) and(1,3) with respect to circle $x^2+y^2-4x+2y-11=0$ ?

asked Feb 11, 2014 by sreemathi.v

1 answer

The abscissac of two points A and B are the roots of the equation $x^2+2ax-b^2=0$ and their ordinates are the roots of the equation $x^2+2px-q^2=0$ .Find the equation and the radius of the circle with AB as diameter.

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the length of the intercept on the straight line $4x-3y-10=0$ by the circle $x^2+y^2-2x+4y-20=0$

asked Feb 11, 2014 by sreemathi.v

1 answer

Equation of tangent of circle whose centre is (0,0) at a point (2,2) which lie on circle?

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the equation of circle passing through (0,0) and (0,B)?

asked Feb 11, 2014 by sreemathi.v

1 answer

Find the area of equilateral triangle inscribed in the circle $x^2+y^2+2gx+2fy+c=0$ ?

asked Feb 11, 2014 by sreemathi.v

1 answer