iitdreams.com

Dreaming with Sharp Eyes

Posts Tagged ‘locus of a point’

Ellipse

By admin • Mar 17th, 2008 • Category: Uncategorized

THE ELLIPSE
An ellipse and a hyperbola are the locus of a point, which moves such that its distance from a fixed point (called the focus) is always e times its distance from a fixed line ( called the directrix). For an ellipse e<1 and for a hyperbola e1.
THE ELLIPSE
The equation of anĀ ellipse in the […]



Parabola

By admin • Mar 17th, 2008 • Category: Uncategorized

CONIC SECTIONS
What are conic sections?
A conic section or a conic, as it is sometimes referred to, can be defined as the locus of a point that moves in a plane, such that the ratio of its distance from a fixed point to its distance from a fixed line is always constant. This constant ratio is […]



Circles

By admin • Mar 17th, 2008 • Category: Uncategorized

CIRCLE
A circle is the locus of a point which moves in a plane so that it is always at a constant distance from a fixed point in that plane. The fixed point is called the centre and the constant distance is called the length of the radius of the circle.
EQUATIONS OF A CIRCLE
1. THE CENTRE-RADIUS […]