The assymptotes pass through the centre of the hyperbola

Point P, Q and R on the hyperbola (x^(2))/(a^(2)) - (y^(2))/(b^(2)) = 1 are such that line PQ passes through the centre of the hyperbola . Then product of slopes of PR and QR is

The coordinates of a point on the rectangular hyperbola xy=c^(2) normal at which passes through the centre of the hyperbola are

Is it necessary for theplane of the orbit of a satellite to pass through the centre of the earth?

The equation of the line passing through the centre of a rectangular hyperbola is x-y-1=0 . If one of its asymptotoes is 3x-4y-6=0 , the equation of the other asymptote is

The line 2x+y=0 passes through the centre of a rectangular hyperbola,one of whose asymptotes is x-y=1. The equation of the other asymptotes is

The angle between the two circles,each passing through the centre of the other is

The rays passing through the optic centre of a thin lens suffers no lateral displacement.

The chord, which passes through the centre of the circle, is called a ........... of the circle.